CN101064160A - Optical recording medium, recording/reproducing apparatus and method, initialization method, and reinitialization method - Google Patents
Optical recording medium, recording/reproducing apparatus and method, initialization method, and reinitialization method Download PDFInfo
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- CN101064160A CN101064160A CNA2007101091544A CN200710109154A CN101064160A CN 101064160 A CN101064160 A CN 101064160A CN A2007101091544 A CNA2007101091544 A CN A2007101091544A CN 200710109154 A CN200710109154 A CN 200710109154A CN 101064160 A CN101064160 A CN 101064160A
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Abstract
A recording/reproducing apparatus includes a writing/reading unit writing data to or reading data from an information recording medium having an access control area in which access control data is recorded, the access control data having a common information set to allow the recording/reproducing apparatus that cannot recognize a predetermined function adapted to the information recording medium to control access to the information recording medium; and a control unit controlling the writing/reading unit to record access control data regarding a function recognizable by the recording/reproducing apparatus in the access control area when the information recording medium is initialized or reinitialized.
Description
The application be that May 11, application number in 2005 are 200510069928.6 the applying date, denomination of invention divides an application for the application for a patent for invention of " recording medium, recording/reproducing apparatus and method, initial method ".
The interests of the 10-2004-0033182 korean patent application that the application requires to submit in Korea S Department of Intellectual Property on May 11st, 2004, the 10-2004-0042921 korean patent application of submitting in Korea S Department of Intellectual Property on June 11st, 2004 and the 10-2004-0044514 korean patent application submitted in Korea S Department of Intellectual Property on June 16th, 2004, this application is complete to be disclosed in this for reference.
Technical field
The present invention relates to a kind of dish, more particularly, relate to a kind of information recording carrier, a kind of recording/reproducing apparatus and method, a kind of initial method and a kind of heavy initial method, by more than, the dish be initialised to guarantee the recoding/reproduction compatibility.
Background technology
According to optical disc and development of semiconductor, the standard of the optical system that comprises optical disc drive system and CD of having to upgrade continually.Fig. 1 is a diagrammatic sketch of explaining the problem of upgrading about standard.Usually, obtain new standard by on old standard, increasing new function.Old standard plate 12 is designed to operation in old standard drive device system 11, and new standard dish 14 is designed to operation in new standard drive system 13.
Old standard and new standard may provide or the recoding/reproduction compatibility may be provided.If guaranteed the recoding/reproduction compatibility, then old standard plate 12 and new standard dish 14 can be not only in old standard drive system 11 but also in new standard drive system 13, be recorded/reproduce.For example, when new standard dish 14 was written into old standard drive system 11, old standard drive system 11 should respond the function that increases newly and operation correctly in new standard.Therefore, should come design standards by considering the necessity of upgrading them constantly.
Consider this needs, be necessary to define and allow drive system to carry out and allow this identical drive system to carry out the rule of the new function of not discerning by current standard by the rule of the function of current standard identification.In following standard is by current standard being increased under the situation that new function formulates, if the storage on dish of following standard drive system needs the information of the operation carried out for new function about current standard drive system, then current standard drive system can read this information from the dish that is adapted to new function and execution is used for new function operations.
At this on the one hand, be used to make polytype drive system use and be adapted to can't by the initialization of the dish of the function of drive system identification and heavily the method for initialization dish be supposed to.Initialization is to the process of blank panel execution with first use blank panel.Heavily initialization is a process of the dish used being carried out the dish of using with initialization once more.
Summary of the invention
Many aspects of the present invention provide a kind of optical record medium, a kind of recording/reproducing apparatus and method, a kind of initial method and a kind of heavy initial method, and it has increased the dish of various criterion and the compatibility between the drive system.
According to an aspect of the present invention, a kind of information recording carrier that comprises the access control district that has write down the access control data is provided, these access control data have public information, the recording/reproducing apparatus that this public information is configured to allow to discern the predetermined function that is adapted to information recording carrier is controlled the visit of information recording carrier, wherein, when information recording carrier is initialised or heavily during initialization, about can be recorded/the access control data of the function of reproducer identification are recorded in the access control district.
According to an aspect of the present invention, but about the public information of the access control data of discernible function comprise the ID of discernible function, about the form voltinism information of information recording carrier with about the recordability/reproducibility information of the subregion that on information recording carrier, defines.
According to an aspect of the present invention, but form voltinism information and recordability/reproducibility information is arranged to " can be formative " and " recordable " respectively.
According to an aspect of the present invention, after having write down the access control data, the scheduled value in remaining Unrecorded district is filled in the access control district.
According to another aspect of the present invention, a kind of recording/reproducing apparatus is provided, it comprises: write/read unit, be used for data are write the information recording carrier with access control district that the access control data are recorded in it, or from this information recording carrier reading of data, these access control data have public information, and the recording/reproducing apparatus that this public information is configured to allow to discern the predetermined function that is adapted to information recording carrier is controlled the visit of information recording carrier; And control module, be used for controlling write/read unit when information recording carrier be initialised or heavily during initialization at access control district record about being recorded/the access control data of the function of reproducer identification.
According to another aspect of the present invention, provide a kind of comprise when information recording carrier be initialised or heavily during initialization in the access control district record about can be recorded/the access control data of the function of reproducer identification are so that the recording/reproducing method that information recording carrier can be used, this information recording carrier has the access control district that the access control data are recorded in it, these access control data have public information, and this public information is configured to allow to discern any recording/reproducing apparatus of the predetermined function that is adapted to information recording carrier the visit of information recording carrier is controlled.
According to a further aspect in the invention, a kind of method of initialization information recording medium is provided, has comprised: the initialization information that will be used for defect management and disk management is recorded in the defective of defect management to take place in the data field of management on being arranged in information recording carrier that is arranged on the information recording carrier; With will be recorded in about access control data in the access control district that is arranged on the information recording carrier by the discernible function of recording/reproducing apparatus, these access control data have the public information that is set up to be used to allow any visit that can not discern the recording/reproducing apparatus control of the predetermined function that information recording carrier is adopted to this information recording carrier.
According to an aspect of the present invention, initialization information comprises: dish definition structure (DDS) comprises about being assigned in the data field with the assignment information of the spare area of the data that are used for writing down the defective data that replacement takes place in the data field with about the assignment information of the user data area of the wherein user data in the data field; And defect list (DFL), comprise the initial information that is used for defect management.
According to a further aspect in the invention, a kind of method of heavy initialization information recording medium is provided, comprise: be used for being recorded in of defect management and disk management by use and be arranged in the initialization information of the defect management on the information recording carrier and use the access control data be recorded in the access control district that is arranged on the information recording carrier to determine whether information recording carrier can be by heavily initialization, these access control data have the public information that is set up and control visit to this information recording carrier to be used to allow any recording/reproducing apparatus that can not discern the predetermined function that information recording carrier is adopted; Can then in defect management, be upgraded initialization information by heavily initialization if determine this information recording carrier with heavy initialization information; The district also will be recorded in the access control district about the access control data by the discernible function of recording/reproducing apparatus with the removing access control.
According to an aspect of the present invention, heavy initialization information comprises: DDS comprises about being assigned in the data field with the assignment information of the spare area of the data that are used for writing down the defective data that replacement takes place in the data field with about the assignment information of the user data area of the wherein user data in the data field; And DFL, comprise the initial information that is used for defect management.
According to an aspect of the present invention, this method also comprises: the size of determining the spare area as about the assignment information of spare area and determine the start address of user data area and the end address as assignment information about user data area.
According to a further aspect in the invention, a kind of recording/reproducing apparatus is provided, comprise: write/read unit, be used for that data are write the information recording carrier in the ACD status information district that has access control district that access control data (ACD) are recorded in it and be recorded in it about the status information of one of the defective of the ACD piece that comprises ACD and recordability or from this information recording carrier reading of data, this ACD has the public information that is set up to be used to allow to discern the visit of the recording/reproducing apparatus control of the predetermined function that information recording carrier is adopted to this information recording carrier; And control module, be used to control write/read unit to change status information during by heavy initialization when information recording carrier about the ACD piece.
According to an aspect of the present invention, when information recording carrier during by heavy initialization, the status information that control module will indicate the ACD piece to have effective ACD is changed into the status information of indicating the ACD piece to have invalid ACD and can be used for the record of ACD.
According to an aspect of the present invention, when information recording carrier during by heavy initialization, it is the status information that defective status information and indication ACD piece can be used for the record of ACD that control module does not change indication ACD piece.
According to an aspect of the present invention, when information recording carrier during by heavy initialization, control module will indicate the ACD piece to have effective ACD and the status information of the defective when reproducing changes into that to indicate the ACD piece be defective status information.
According to an aspect of the present invention, when information recording carrier during by heavy initialization, control module control write/read unit writes one of " 00h " and " FFh " is included in the ACD piece in the access control district with indication as the ID of ACD validity.
According to an aspect of the present invention, when by the validity of the ACD piece of the ID of ACD indication with about the status information of ACD piece when inconsistent, control module is based on controlling write/read unit about the status information of ACD piece with from ACD piece reading of data.
According to an aspect of the present invention, when making a mistake when in the status information of reproducing about the ACD piece, control module is determined the validity of ACD piece based on the ID of ACD.
According to a further aspect in the invention, a kind of recording/reproducing method is provided, comprise: data are write the information recording carrier in the ACD status information district that has access control district that ACD is recorded in it and be recorded in it about the status information of one of the defective of the ACD piece that comprises ACD and recordability or from this information recording carrier reading of data, this ACD has the public information that is set up to be used to allow to discern the visit of the recording/reproducing apparatus control of the predetermined function that information recording carrier is adopted to this information recording carrier; With when information recording carrier during by heavy initialization, change status information about the ACD piece.
According to a further aspect in the invention, a kind of recording/reproducing apparatus is provided, comprise: write/read unit, be used for that data are write information recording carrier with access control district that ACD is recorded in it or from this information recording carrier reading of data, this ACD has the public information that is set up to be used to allow to discern the visit of the recording/reproducing apparatus control of the predetermined function that information recording carrier is adopted to this information recording carrier; And control module, be used for controlling write/read unit be initialised when information recording carrier or heavily during initialization with default ACD write-access control zone, this default ACD comprises public information and the predetermined customizing messages that is configured to be used to allow to the write/read operation of the subregion that defines on information recording carrier.
According to an aspect of the present invention, at least a portion of the value that is provided with for default ACD is provided by main frame and control module at least one.
According to a further aspect in the invention, a kind of recording/reproducing apparatus is provided, comprise: write/read unit, be used for that data are write information recording carrier with access control district that ACD is recorded in it or from this information recording carrier reading of data, this ACD has the public information that is set up to be used to allow to discern the visit of the recording/reproducing apparatus control of the predetermined function that information recording carrier is adopted to this information recording carrier; And control module, be used for controlling write/read unit being initialised when information recording carrier or heavily will be about in the default at least ACD write-access control zone by the ACD of the discernible function of recording/reproducing apparatus during initialization, this default ACD comprises public information and the predetermined customizing messages that is configured to be used to allow to the write/read operation of the subregion that defines on information recording carrier.
According to a further aspect in the invention, a kind of recording/reproducing apparatus is provided, comprise: write/read unit, be used for that data are write information recording carrier with access control district that ACD is recorded in it or from this information recording carrier reading of data, this ACD has the public information that is set up to be used to allow to discern the visit of the recording/reproducing apparatus control of the predetermined function that information recording carrier is adopted to this information recording carrier; And control module, be used to control write/read unit to be initialised when information recording carrier or heavily during initialization, change among the ACD piece in access control district about by the data in the ACD piece of the discernible function of recording/reproducing apparatus, and the value record that will indicate " available " among the ACD in access control district piece about in the ACD piece by the unrecognizable function of recording/reproducing apparatus.
According to an aspect of the present invention, but but control module control write/read unit change with request or eliminate about the data in the ACD piece of recognition function or add new ACD piece about new recognition function according to the user, but and upgrade about status information about the ACD piece of recognition function according to the result of one of this changes, elimination and interpolation.
According to an aspect of the present invention, but comprise about the ACD piece of new recognition function: default ACD has the public information and the predetermined customizing messages that are configured to be used to allow to the write/read operation of the subregion that defines on information recording carrier.
According to an aspect of the present invention, control module control write/read unit writes one of " 00h " and " FFh " about not having valid data with indication about the ACD piece of unrecognizable function in can not the ACD piece of recognition function, and changes about available to indicate about ACD piece that can not recognition function about the status information of ACD piece that can not recognition function.
According to a further aspect in the invention, a kind of recording/reproducing method is provided, comprise: when information recording carrier is initialised or heavily during initialization, default ACD is recorded in the access control district, wherein, the access control district is set in the information recording carrier to write down ACD therein, this ACD has the public information that is set up to be used to allow to discern the visit of the recording/reproducing apparatus control of the predetermined function that information recording carrier is adopted to this information recording carrier, wherein, default ACD comprises public information and the predetermined customizing messages that is configured to be used to allow to the write/read operation of the subregion that defines on information recording carrier.
According to a further aspect in the invention, a kind of recording/reproducing method is provided, comprise: when recording/reproducing apparatus initialization or heavy initialization information recording medium, will be about being recorded in the access control district by the default at least ACD among the ACD of the discernible function of recording/reproducing apparatus, wherein, the access control district is set in the information recording carrier to write down ACD therein, this ACD has the public information that is set up to be used to allow to discern the visit of the recording/reproducing apparatus control of the predetermined function that information recording carrier is adopted to this information recording carrier, wherein, default ACD comprises public information and the predetermined customizing messages that is configured to be used to allow to the write/read operation of the subregion that defines on information recording carrier.
According to a further aspect in the invention, provide a kind of recording/reproducing method, having comprised: when information recording carrier during by heavy initialization, change in the access control district about by the data in the ACD piece of the discernible function of recording/reproducing apparatus; With when information recording carrier during by heavy initialization, the value record that to indicate " available " in the access control district about in the ACD piece by the unrecognizable function of recording/reproducing apparatus, wherein, the access control district is set in the information recording carrier writing down ACD therein, and this ACD has the public information that is set up to be used to allow to discern the visit of the recording/reproducing apparatus control of the predetermined function that information recording carrier is adopted to this information recording carrier.
To be partly articulated other aspect of the present invention and/or advantage in the following description, by describing, it can become clearer, perhaps can understand by implementing the present invention.
Description of drawings
By the detailed description that the reference accompanying drawing carries out embodiment, above and other characteristic of the present invention and/or advantage will become clearer and be easier to and understand, wherein:
Fig. 1 explains the dish of various criterion in the conventional art and the diagrammatic sketch of the compatibility between the drive system;
Fig. 2 be explain according to an aspect of the present invention at initialization and the heavily dish of various criterion and the diagrammatic sketch of the compatibility between the drive system in the initialization;
Fig. 3 shows the structure of optical record medium according to an aspect of the present invention;
Fig. 4 shows the example of the detailed structure of defect management (DMA) #1 that is shown among Fig. 3;
Fig. 5 shows the detailed structure in the access control district (ACA) that is shown among Fig. 3;
Fig. 6 shows by being shown in version 1.0 drive systems among Fig. 2 in initialization or heavily be recorded in the example of the access control data (ACD) among the ACA during the initialization;
Fig. 7 shows by being shown in version 1.1 drive systems among Fig. 2 in initialization or heavily be recorded in the example of the ACD among the ACA during the initialization;
Fig. 8 shows by being shown in version 1.2 drive systems among Fig. 2 in initialization or heavily be recorded in the example of the ACD among the ACA during the initialization;
Fig. 9 is the schematic block diagram according to the execution initialization of the embodiment of the invention and heavy initialized recording/reproducing apparatus;
Figure 10 is the process flow diagram according to the initial method of the embodiment of the invention;
Figure 11 is the process flow diagram according to the heavy initial method of the embodiment of the invention;
Figure 12 is illustrated in another example of the detailed structure of the DMA# 1 that shows among Fig. 3;
Figure 13 is illustrated in the example of the ACD status information that shows among Figure 12;
Figure 14 A and 14B represent to be used to explain the ACD piece before this coils heavily initialization of the renewal of ACD status information when coiling by heavy initialization according to an aspect of the present invention and the example of ACD status information respectively;
Figure 15 A and 15B represent to be used to explain the ACD piece after this coils heavily initialization of the renewal of ACD status information when coiling by heavy initialization according to an aspect of the present invention and the example of ACD status information respectively;
Figure 16 is the process flow diagram that weighs initial method according to another embodiment of the present invention;
Figure 17 represents the structure of default ACD according to an aspect of the present invention;
Figure 18 is the process flow diagram according to the initial method of the re-writable recording medium of the embodiment of the invention;
Figure 19 is the process flow diagram according to the heavy initial method of the re-writable recording medium of the embodiment of the invention;
Figure 20 represents the structure according to the once writing recording medium of the embodiment of the invention;
Figure 21 is the process flow diagram according to the initial method of the once writing recording medium of the embodiment of the invention; With
Figure 22 is the process flow diagram according to the heavy initial method of the re-writable recording medium of the embodiment of the invention.
Embodiment
To be described in detail the embodiment of the invention now, its example shown in the accompanying drawings, wherein, identical label is represented same parts all the time.Below with reference to the accompanying drawings embodiment is described to explain the present invention.
Fig. 2 be explain according to an aspect of the present invention at initialization and the heavily dish of various criterion and the diagrammatic sketch of the compatibility between the drive system in the initialization.With reference to Fig. 2, the standard that defines for the re-writable recording medium that is adapted to function A is known as version 1.0, realizes that the recording/reproducing apparatus of version 1.0 is known as version 1.0 drive systems 21.Be known as version 1.1 by the more new standard that the new function B of version 1.0 increases is obtained, realize that the recording/reproducing apparatus of version 1.1 is known as version 1.1 drive systems 22.By version 1.1 is increased new function C obtains further more new standard be known as version 1.2, realize that the recording/reproducing apparatus of version 1.2 is known as version 1.2 drive systems 23.Dish D is the re-writable recording medium that is used for version 1.0,1.1 and 1.2.
Version 1.0 drive systems 21 can not recognition function B and C.Version 1.1 drive systems 22 can not recognition function C.Yet, version 1.2 drive systems 23 can recognition function B again can recognition function C.In this case, when dish D is empty and during by 21 initialization of version 1.0 drive systems, thus version 1.0 drive systems 21 need carry out the initialized dish D of initialization to blank panel D can be not only by version 1.1 drive systems 22 but also by 23 identifications of version 1.2 drive systems.When dish D is empty and during by 22 initialization of version 1.1 drive systems, thus version 1.1 drive systems 22 need carry out the initialized dish D of initialization to blank panel D can be not only by version 1.0 drive systems 21 but also by 23 identifications of version 1.2 drive systems.Similarly, when dish D is empty and during by 23 initialization of version 1.2 drive systems, thus version 1.2 drive systems 23 need carry out the initialized dish D of initialization to blank panel D can be not only by version 1.0 drive systems 21 but also by 22 identifications of version 1.1 drive systems.
In order to be used in the drive system of other version by the initialized blank panel of the drive system of certain version, necessary use can be by the information of the drive system of all versions identification.In one aspect of the invention, dish uses the defect management (DMA) and access control district (ACA) that are provided with in the Lead-In Area of dish to carry out initialization, thereby initialized dish can be discerned by the drive system of different editions.In other words, during the initialization of dish, initialization information is recorded among DMA and the ACA, thereby based on this initialization information, initialized dish can correctly be used by the drive system of different editions.
With reference to Fig. 2, when coiling D by 21 initialization of version 1.0 drive systems, because function A can all be discerned by version 1.0 drive systems 21, version 1.1 drive systems 22 and version 1.2 drive systems 23, so can be changed by version 1.1 drive systems 22 and version 1.2 drive systems 23 according to the intention of user or drive manufacturers about the information of function A.
When coiling D by 22 initialization of version 1.1 drive systems, because version 1.0 drive systems 21 can not recognition function B, so according to rule and the scheme formulated when version 1.0 is formulated, the information of the operation that regulation version 1.0 drive systems 21 need be carried out about function B is recorded among the ACA.As a result, when the dish D that is adapted to function B was written into version 1.0 drive systems 21, version 1.0 drive systems 21 can correctly move, thereby the convenience of use dish D is provided.
When coiling D by 23 initialization of version 1.2 drive systems, because version 1.0 drive systems 21 and version 1.1 drive systems 22 can not recognition function C, so according to rule and the scheme formulated when version 1.0 is formulated, the information of the operation that regulation version 1.0 drive systems 21 and version 1.1 drive systems 22 need be carried out about function C is recorded in the access control district.As a result, when the dish D that is adapted to function C was written into version 1.0 drive systems 21 or version 1.1 drive systems 22, version 1.0 drive systems 21 or version 1.1 drive systems 22 can correctly move, thereby the convenience of use dish D is provided.In addition, according to rule and the scheme formulated when version 1.0 is formulated, the information about the operation of function B that regulation version 1.0 drive systems 21 need to carry out is recorded among the ACA.As a result, when the dish D that is adapted to function B was written into version 1.0 drive systems 21, version 1.0 drive systems 21 can correctly move, thereby the convenience of use dish D is provided.
In an identical manner, the dish of using is by heavily initialization.In order to make the dish of using, use the DMA and the ACA that in Lead-In Area, are provided with to carry out heavily initialization with the dish of crossing with the dish of crossing by the identification of the drive system of different editions.Yet, even because the user has imported heavy initialization command, be recorded in the information on the dish of crossing and whether allow at first to be determined, so heavily initialization is different from initialization with the heavily initialization of the dish of mistake.Heavily whether initialization can determine that it will be described in detail in the back based on the access control data (ACD) that are recorded among the ACA with the dish of crossing.
Fig. 3 shows the structure of the dish 100 that uses one aspect of the present invention.With reference to Fig. 3, dish 100 sequentially comprises Lead-In Area 110, data field 120 and leading-out zone 130.Lead-In Area 110 comprises: when dish 100 when manufactured tentation data be recorded in wherein prerecorded zone 111, test section 112, ACA 113, DMA# 2 114 and DMA# 1 115.Prerecorded zone 111 can only be used to read.Test section 112, ACA 113, DMA# 2 114 and DMA# 1 115 can write district with overwriting data to it.
Prerecorded zone 111 storage when manufacturing coils 100, be recorded about coiling 100 information.For example, the dish ID of the dish manufacturing of prerecorded zone 111 storage as sign dish No. 100.It should be understood, however, that prerecorded zone 111 can comprise other data.
Test section 112 is set is the optimum test record power etc. that writes down on dish 100.
The information of the operation of the drive system that will increase new function after ACA 113 comes recording prescribed to be used for is set.Make the public information that the drive system can not discern certain function can accesses disk 100 be recorded among the ACA 113, will be described in greater detail with reference to Fig. 5.
Data field 120 comprises spare area # 0 121, UDA 122 and spare area # 1 123.Provide UDA 122 to come user data.Spare area # 0 121 and spare area # 1 123 are provided with and replace the stand-by block that occurs in the defect block among the UDA 122.Such spare area is coiling 100 initialization or heavily is being assigned to data field 122 during the initialization.Leading-out zone 130 comprises DMA# 3 131 and DMA# 4 132.
Fig. 4 shows the detailed structure of the DMA# 1 115 that is shown among Fig. 3.With reference to Fig. 4, DMA# 1 115 comprises dish definition structure (DDS) 410 and defect list (DFL) 420.DDS 410 comprises management information.In detail, DDS 410 comprises as in initialization or heavily be recorded in the spare area size information 411 and the UDA start and end address information 412 of the information on the dish during the initialization.When initialization or heavily during the initialization dish, drive system is given the data field spare area allocation, determines the UDA 122 that the user data in the data field is recorded in it, and in DDS 410 record about the information of spare area and UDA 122.DFL 420 comprises about occurring in the information of the defective among the UDA 122.For example, DFL 420 comprise the address that occurs in the defect block among the UDA 122, replace defect block stand-by block the address and about the status information of defective.
Fig. 5 shows the detailed structure of the ACA 113 that is shown among Fig. 3.With reference to Fig. 5, ACA 113 comprises ACD# 1 510, ACD# 2 520 and ACD# 3 530.ACA 113 is used for therein not considering that existing or new standard visits the district of the record public information of dish.In other words, ACA 113 storage commonages are applied to the public information table of all functions of using in existing standard and new standard.Although not necessary in all respects, ACD has constituted the public information table about each function.For example, the public information table that ACD# 1 510 constitutes about " function 1 ", the public information table that ACD# 2 520 constitutes about " function 2 ", the public information table that ACD# 3 530 constitutes about " function 3 ".Drive system can recognition function 1, and this drive system can not recognition function 2 and function 3.ACD also can comprise the customizing messages that has only identification can discern corresponding to the drive system of the function of this ACD.
Drive system can determine whether ACD# 1 510 is about discernible function based on ACD_ID 513.In other words, if drive system is known ACD_ID 513, then ACD# 1 510 is confirmed as about discernible function.Otherwise ACD# 1 510 is confirmed as about unrecognizable function.In addition, even drive system is not known ACD_ID 513, drive system can be carried out minimum at least proper operation about unrecognizable function based on being included in field in the public information table.
With below with reference to Fig. 6 and Fig. 7 be described when dish under condition shown in Figure 2, be driven device system 21 in 23 each initialization or heavily be recorded in ACD among the ACA 113 during initialization.
Fig. 6 shows by being shown in version 1.0 drive systems 21 among Fig. 2 in initialization or heavily be recorded in the example of the ACD among the ACA 113 during the initialization.With reference to Fig. 6,21 of version 1.0 drive systems know function A therefore in ACA 113 record only about the ACD# 1 610 of function A.Write down ACD# 1 610 in ACA113 after, version 1.0 drive systems 21 usefulness ooh fill remaining not recording areas 620.According to an aspect of the present invention, also available FFh fills not recording areas 620.Recording areas 620 is not filled with indication with ooh or FFh and is not had ACD again and make that recording areas 620 can not be used afterwards in ACA 113.
Because the function A that its content is comprised among the ACD# 1 610 among the ACA 113 that is recorded in initialized dish D can be by 21 to 23 identifications of all drive systems, so when initialized dish D was written into and uses in drive system 21 any one in 23, ACD# 1 610 can be changed by user or drive manufacturers.
Fig. 7 shows by being shown in version 1.1 drive systems among Fig. 2 in initialization or heavily be recorded in the example of the ACD among the ACA 113 during the initialization.With reference to Fig. 7, version 1.1 drive systems 22 are known function A and function B, therefore in ACA 113 record about the ACD# 1 710 of function A with about the ACD# 2 720 of function B.Write down ACD# 1 710 and ACD# 2 720 in ACA 113 after, version 1.1 drive systems, 22 usefulness ooh or FFh fill remaining not recording areas 730.
Because the function A that its content is comprised among the ACD# 1 710 among the ACA 113 that is recorded in initialized dish D can be by 21 to 23 identifications of all drive systems, so when initialized dish D was written into and uses in drive system 21 any one in 23, ACD# 1 710 can be changed by user or drive manufacturers.The function B that has been recorded among the ACA 113 about its ACD# 2 720 can not be discerned by version 1.0 drive systems 21, but version 1.0 drive systems 21 can use the public information 721 that is included among the ACD# 2 720 to move to visit initialized dish D.
Fig. 8 shows by being shown in version 1.2 drive systems among Fig. 2 in initialization or heavily be recorded in the example of the ACD among the ACA 113 during the initialization.With reference to Fig. 8, version 1.2 drive systems 23 are known function A, function B and function C, therefore in ACA 113 record about the ACD# 1810 of function A, about the ACD# 2 820 of function B with about the ACD# 3 830 of function C.Thereafter, version 1.2 drive systems, 23 usefulness ooh or FFh fill remaining not recording areas 840.
Because the function A that its content is comprised among the ACD# 1 810 among the ACA 113 that is recorded in initialized dish D can be by 21 to 23 identifications of all drive systems, so when initialized dish D was written into and uses in drive system 21 any one in 23, ACD# 1 810 can be changed by user or drive manufacturers.The function B that has been recorded among the ACA 113 about its ACD# 2 820 can not be discerned by version 1.0 drive systems 21, but version 1.0 drive systems 21 can use the public information 821 that is included among the ACD# 2 820 to move to visit initialized dish D.The function C that is recorded among the ACA 113 about its ACD# 3 830 can not be discerned by version 1.0 drive systems 21 and version 1.1 drive systems 22, but version 1.0 drive systems 21 and version 1.1 drive systems 22 can use the public information 831 that is included among the ACD# 3 830 to move to visit initialized dish D.
Fig. 9 is the schematic block diagram according to the recording/reproducing apparatus of the embodiment of the invention.With reference to Fig. 9, recording/reproducing apparatus comprises write/read unit 2 and control module 1.Write/read unit 2 comprises pick-up and writes data on the dish 100 as optical record medium of the present invention, and reading of data from it.Control module 1 according to predetermined file system control write/read unit 2 writing data on the dish 100, and reading of data from it.More particularly, control module 1 is carried out control and is come initialization blank panel and the heavy dish used of initialization.Control module 1 comprises system controller 10, host interface (I/F) 20, digital signal processor (DSP) 30, radio frequency (RF) amplifier (AMP) 40 and servo control mechanism 50.
During writing down, main frame I/F 20 receives predetermined write order and the write order that receives is transferred to system controller 10 from main frame 3.System controller 10 control DSP 30 and servo control mechanism 50 are to carry out the write order that receives from main frame I/F 20.DSP 30 will be added to the data from main frame I/F 20 acceptance that will be write as the extra data of parity checking, and carry out Error Correction of Coding (ECC) and produce the ECC piece that is used for error correction, and with predetermined pattern modulation ECC piece.RF AMP 40 will become the RF signal from the data-switching of DSP 30 outputs.The write/read unit 2 that comprises pick-up will be write on the dish 100 from the RF signal that RF AMP 40 receives.Servo control mechanism 50 receives servocontrol orders and servocontrol from system controller 10 and is included in pick-up the write/read unit 2.
At reproduction period, main frame I/F 20 receives read command from main frame 3.System controller 10 is carried out and is reproduced the initialization that needs.Write/read unit 2 outgoing laser beams to dish 100 and output from from coiling the light signal that 100 laser light reflected bundles obtain.RF AMP 40 will convert the RF signal from the light signal that write/read unit 2 receives to, and the data of the modulation that will obtain from the RF signal offer DSP 30, and will offer servo control mechanism 50 from the servosignal that the RF signal obtains.The data of DSP 30 demodulation modulation and output are by carrying out the data that ECC obtains to demodulated data.Simultaneously, servo control mechanism 50 receives servosignal and receives the servocontrol order from system controller 10 from RF AMP 40, and the servocontrol pick-up.Main frame I/F 20 will arrive main frame 3 from the data transmission of DSP 30.System controller 10 reads management information or defect information from coiling 100, and control servo control mechanism 50 from having write down the position reading of data of data zero defect on dish 100.
According to many aspects of the present invention, recording/reproducing apparatus shown in Figure 9 may be implemented as independent recording unit, the part of independent reproducer, single record and reproducer, autonomous device and/or computer system.
With reference to Figure 10 and Figure 11 exemplary initialize method and the exemplary heavy initial method of carrying out by according to the recording/reproducing apparatus of the embodiment of the invention described below.
Figure 10 is the process flow diagram according to the initial method of the embodiment of the invention.With reference to Figure 10, in operation steps 1010, blank panel 100 is written in the drive system.In operation steps 1020, the system controller 10 that is included in the drive system receives initialization command by main frame I/F 20 from main frame 3.System controller 10 is assigned the spare area determining the size of spare area in dish 100 data field in operation steps 1030, and in operation steps 1040, in the data field, assign be used for user data UDA to determine start address and the end address of UDA.The spare area can be assigned or can be assigned with pre-sizing by drive maker by main frame 3.
In operation steps 1050, system controller 10 control write/read unit 2 and servo control mechanism 50 are recorded among the DMA in the Lead-In Area that is included in dish 100 will comprise about the information of the assignment of spare area with about the DDS of the information of the assignment of UDA and initial DFL.The initialization information that is recorded among the DMA is described in detail with reference to Fig. 4.
In operation steps 1060, system controller 10 control write/read unit 2 and servo control mechanism 50 are with will be about being recorded in by the ACD of the function of drive system identification among the ACA in the Lead-In Area that is included in dish 100.The access control information that is recorded among the ACA is described in detail with reference to Fig. 5.
In operation steps 1070, system controller 10 control write/read unit 2 and servo control mechanism 50 are filled in remaining not recording areas among the ACA of dish 100 with the predetermined value such as 00h or FFh.
Figure 11 is the process flow diagram according to the heavy initial method of the embodiment of the invention.With reference to Figure 11, in operation steps 1110, the dish 100 that has been used is written in the drive system.Then, be included in the drive system system controller 10 identification records dish on 100 dma information and the information of the operation that must carry out of the ignorant function actuator of the function known for system controller 10 of regulation and system controller 10 system (that is, ACD).Then, in operation steps 1120, system controller 10 receives heavy initialization command by main frame I/F 20 from main frame 3.
In operation steps 1130, system controller 10 control write/read unit 2 with reading and recording in the Lead-In Area that is included in dish 100 DMA and the information among the ACA, and take out this information.The information that is recorded among the DMA can be the write-protect sign, but and the information among the ACA of being recorded in can be the information that is included in the public information of ACD about recordability or form voltinism.
In operation steps 1140, system controller 10 determines whether allow heavily initialization from the information that DMA and ACA read.For example, if the write-protect sign that reads from DMA is " 1 ", then forbid the write operation to coiling 100, therefore heavily initialization can not be performed, thereby error message is sent out in operation steps 1190.But the public information that is recorded in the ACD among the ACA comprises form voltinism information and about coiling the recordability/reproducibility information in 100 subarea.If but form voltinism information and recordability/reproducibility information does not allow to coil 100 format or to coiling any one write operation of 100 subregion, then heavily initialization can not be performed, thereby error message is sent out in operation steps 1190.Therefore, system controller 10 determines based on the information that reads from DMA and ACA whether dish 100 is recordable.
If the write-protect sign is set to " 1 " or the public information of ACD do not allow the format or write operation; then system controller 10 determines that dish 100 can not be by heavily initialization, and sends error messages by main frame I/F 20 to main frame 3 in operation steps 1190.Yet, if being set to the public information of " 1 " and ACD, the write-protect sign allows format and write operation, system controller 10 definite heavily initialization dishes 100 also begin heavily initialization dish 100.
Simultaneously, do not allow heavy initialized value and have when allowing heavy initialized value when having about ACD by the unrecognizable function of drive system about ACD by the discernible function of drive system, because the value about the ACD of discernible function can be updated, so the value about the ACD of discernible function can be changed into the heavy initialized value of permission in response to the heavy initialized request of user, then, can determine to begin to coil 100 heavily initialization.
If allow heavily initialization, then in operation steps 1150, system controller 10 is assigned the size of spare area with definite spare area in the data field of dish 100, and assignment is used for the UDA of user data to determine start address and the end address of UDA in the data field.
In operation steps 1160, system controller 10 control write/read unit 2 are included in DMA in the Lead-In Area on the dish 100 to remove (clear), and control write/read unit 2 and servo control mechanism 50 are with initial DFL with comprise that definite information is that the DDS of spare area assignment information and UDA assignment information is recorded among the DMA.Be recorded among the DMA after being eliminated though described initialization information, in fact, because dish 100 is rewritable types, so the initialization information that is recorded among the DMA is updated.Though in Figure 11, show, be recorded in being used for management accounts and should being eliminated in the predetermined portions of UDA at the filesystem information of the data of UDA.
In operation steps 1170, system controller 10 control write/read unit 2 are with the ACA in the Lead-In Area on the clear disk 100, and control write/read unit 2 and servo control mechanism 50 are with among the ACA that will be recorded in the Lead-In Area on the dish 100 about the ACD of the discernible function of drive system.
In operation steps 1180, system controller 10 control write/read unit 2 and servo control mechanism 50 are with such as remaining not recording areas among the ACA in the Lead-In Area on the predetermined value filling dish 100 of 00h or FFh.Operation steps 1180 is performed with indication does not have more ACD and makes not that recording areas can be used afterwards in ACA.
Below description relate to when management during about the status information of the recordability of the ACD piece among the ACA or defective during the heavily initialization of dish the method for renewal ACD block state information.When the status information of each the ACD piece that is included in the ACA that is used for writing down ACD is recorded among the DDS and during by management, the ACD piece can be managed effectively.Status information can indicate ACD can be recorded in the ACD piece, and indication ACD piece is defective or stores invalid ACD, and indication ACD piece is stored effective ACD, and but indication ACD piece is stored effective ACD had the defective that takes place at reproduction period.Being recorded in ACD piece among the ACA with physics mode has drive system can to discern the ACD piece from it is ACD_ID about what function.When dish was written in the drive system, drive system was surveyed the position of effective ACD piece based on the ACD block state information among the DDS that is included among the DMA that is recorded on the dish, and reproduced this effective ACD piece.
If the ACD block state information that indication ACD piece has effective ACD before heavy initialization is included among the DDS, then the ACD piece is good.After heavy initialization,, do not have effective ACD and can be used to write down ACD so the ACD block state information need be changed with indication ACD piece because the ACD that is recorded in the ACD piece is dispensable.Heavily be not changed during the initialization if be included in the ACD block state information that being used among the DDS indicate the ACD piece to have effective ACD, then drive system will reproduce the ACD piece based on this ACD block state information.Therefore, when heavy initialization dish, must upgrade this ACD block state information.In addition, because the information that is included in the ACD piece is no longer valid after heavy initialization, so if the ACD block state information is not changed, then drive system can have trouble owing to the incorrect information from the acquisition of ACD piece.Therefore, except change is included in ACD block state information among the DDS, the whole ACD piece among the ACA or only the ACD_ID of ACD piece need be override by value to eliminate in the mode of physics with for example " 00h " or " FFh ".When ACD_ID had value " 00 " or " FF ", the current ACD of ACD piece was not effectively, and this ACD piece can be used to write down other ACD.Because " 00h " or " FFh " is recorded in the ACD piece when removing the ACD piece, so the ACD_ID of ACD piece becomes value " 00 " or " FF ".
Say briefly, during heavy initialization, effective ACD piece among the ACA on the dish is override by the value with for example " 00h " or " FFh ", and is included in corresponding ACD block state information among the DDS on the dish and is changed with indication ACD piece and does not have effective ACD and can be used to write down other ACD.
Figure 12 is illustrated in another example of the detailed structure of the DMA# 1 115 that shows among Fig. 3.With reference to Figure 12, DDS 410 is zones of indicator management information therein.Spare area size information 411, UDA start and end address information 412 and ACD status information 413 are recorded among the DDS 410.ACD status information 413 comprise about ACD therein be recorded in ACD piece among the ACA each recordability or the status information of defective.With reference to Figure 12, the length of ACD block state information is 2.
Figure 13 represents to be included in the ACD block state information in the ACD status information, such as the example of the block state information that shows in Figure 12.With reference to Figure 13, the state of each ACD piece is to indicate 2 of one of four kinds of states, and promptly " 00 ", " 01 ", " 10 " or " 11 " are represented.Multidigit " 00 " indication ACD piece can be used for writing down ACD.Multidigit " 01 " indication ACD piece is defective.More particularly, multidigit " 01 " indication ACD piece when ACD is recorded among the ACA is detected as defectiveness or indicates the ACD piece to have invalid ACD.Multidigit " 10 " indication ACD piece has effective ACD, but is detected as defectiveness as ACD when ACA reproduces.Multidigit " 11 " indication ACD piece has effective ACD.
Figure 14 A is the diagrammatic sketch that is used to explain the renewal of the ACD status information when dish is by heavy initialization according to the present invention to 15B.Figure 14 A and 14B are illustrated respectively in the ACD piece before the heavily initialization and the example of ACD status information.Figure 15 A and 15B are illustrated respectively in the ACD piece after the heavily initialization and the example of ACD status information.
With reference to Figure 14 A, before heavy initialization, ACA comprises five ACD pieces: ACD piece # 1 has effective ACD; ACD piece # 2 has defective ACD; ACD piece # 3 has effective ACD; ACD piece # 4, do not have data or have " 00 " and one of " FF " as the value of ACD_ID; With ACD piece #5, have effective ACD and have defective that reproduction period takes place (below, be called the defective when reproducing).ACD_ID indication with value " 00 " or " FF ": though data have been recorded in the ACD piece, because the data in this ACD piece are not effectively, ACD can be recorded in this ACD piece later on.
Figure 14 B represents the status information to ACD piece #5 about the ACD piece # 1 that shows in Figure 14 A.With reference to Figure 14 B, multidigit " 11 " is registered as ACD piece # 1 status information and has effective ACD with indication ACD piece #1.It is defective with indication ACD piece # 2 that multidigit " 01 " is registered as ACD piece # 2 status information.Multidigit " 11 " is registered as ACD piece # 3 status information and has effective ACD with indication ACD piece #3.Multidigit " 00 " is registered as ACD piece # 4 status information to indicate: because ACD piece # 4 does not have and is recorded in data wherein or has invalid data, so ACD piece # 4 can be used for writing down ACD.Multidigit " 10 " is registered as that ACD piece #5 status information has effective ACD with indication ACD piece #5 and the defective when reproducing.
ACD piece that shows in Figure 14 A and 14B and ACD status information are changed by the heavily initialization of dish, as shown in Figure 15 A and the 15B.
With reference to Figure 15 A, after heavy initialization, only defective ACD piece # 2 remains on the state before the heavily initialization, but other ACD piece, be effective ACD piece, have " 00 " or " FF " as the ACD piece of the value of ACD_ID and the ACD piece with the defective when reproducing become and have " 00 " or " FF " value as their ACD_ID, thereby these ACD pieces can heavily be used after the initialization.Even not having the not record block of data before heavy initialization is heavily still keeping intact after the initialization.
Figure 15 B represents the status information to ACD piece #5 about the ACD piece #1 that shows in Figure 15 A.With reference to Figure 15 B, the multidigit of ACD piece #1 status information, ACD piece #3 status information and ACD piece #4 status information is changed " 00 " to indicate: because ACD piece #1, ACD piece #3 and ACD piece #4 do not have be not recorded in data wherein or have invalid data, so ACD piece #1, ACD piece #3 and ACD piece #4 can be used for writing down ACD.Indication ACD piece #2 is that defective multidigit " 01 " keeps as ACD piece #2 status information.Because ACD piece #5 has the defective when reproducing, so the multidigit of ACD piece #5 status information is changed " 01 ".When the ACD piece has defective when reproducing, ACD piece ACD_ID have value " 00h " that indication ACD piece can be used for writing down or " FFh " and about the status information of ACD piece by to indicate defective multidigit " 01 " to represent.In this case, when the ACD_ID of ACD piece with about the status information of ACD piece when inconsistent, because status information is considered to have precedence over ACD_ID, so the ACD piece is unavailable because of defective.Yet, when status information is because of wrong can not being extracted when in playback mode information, have " 00h " or " FFh " available as the ACD piece of its ACD_ID.
In above-mentioned arrangement, can be inconsistent by the state that the ACD_ID of the ACD in the ACD piece in the ACA that is comprised on the dish represents with the state of representing by the corresponding ACD block state information among the DDS that is recorded on the dish.In this case, drive system is designed at first depend on the ACD block state information that is recorded among the DDS.Below will be described in detail this.
Corresponding ACD block state information from be recorded in DDS and the ACD_ID that is recorded in the ACD piece among the ACA know the status information of ACD piece.If this information of two types is inconsistent each other, then drive system at first depends on the ACD block state information that is recorded among the DDS.When data because of, for example, the defective that in DMA, takes place and can not be reproduced by the DDS in DMA the time, drive system determines to be comprised in the validity of the information in the ACD piece based on being recorded in ACD_ID among the ACA.Inconsistent can the generation between these two types of information because of the defective that during writing down, takes place.For example, when effective ACD was recorded among the ACD piece A, the state of ACD piece A was registered as " 11 " in DDS.Thereafter, if be written to ACD piece A and defective take place with in response to the request of upgrading ACD piece A the time when upgrading ACD, then drive system will be recorded as defective of indication about the status information of ACD piece A.Yet, upgrades ACD and be not written to ACD piece A, and ACD piece A still has effective ACD because of the defective during writing down.As a result, effectively the ACD_ID of ACD remains among the interior ACD piece A of ACA.In this case, for the faulty operation of anti-locking system, must be at first with reference to the ACD block state information.
Yet when the ACD block state information among the DDS was unreliable because of the error correction failure that is taken place when DDS reproduces in data becomes, best and nonessential, the validity of corresponding ACD piece was determined based on the ACD_ID of the ACD in the ACD piece that is comprised in the ACA.
Figure 16 is the process flow diagram that weighs initial method according to another embodiment of the present invention.With reference to Figure 16, in operation steps 1610, the dish 100 that has been used is written in the drive system.Then, be included in the information (that is, be recorded on the dish 100 ACD) of the operation that the ignorant function actuator of function that system controller 10 identification dma informations in the drive system and regulation know for system controller 10 and system controller 10 system must carry out.Then, in operation steps 1620, system controller 10 receives heavy initialization command by main frame I/F 20 from main frame 3.
In operation steps 1630, system controller 10 control write/read unit 2 with reading and recording in the Lead-In Area that is included in dish 100 DMA and the information among the ACA, and take out this information.As example, the information that is recorded among the DMA can be the write-protect sign, but and the information among the ACA of being recorded in can be the information that is included in the public information of ACD about recordability or form voltinism.
In operation steps 1640, system controller 10 determines whether allow heavily initialization from the information that DMA and ACA read.For example, if the write-protect sign that reads from DMA has value " 1 ", then forbid the write operation to coiling 100, therefore heavily initialization can not be performed.But the public information that is recorded in the ACD among the ACA comprises form voltinism information and about coiling the recordability/reproducibility information of 100 subregion.If but form voltinism information and recordability/reproducibility information does not allow to coil 100 format or to coiling any one write operation of 100 subregion, then heavily initialization can not be performed.Therefore, system controller 10 determines based on the information that reads from DMA and ACA whether dish 100 can be write.
If the write-protect sign is set to " 1 " or the public information of ACD do not allow the format or write operation; then system controller 10 determines that dish 100 can not be by heavily initialization, and sends error messages by main frame I/F 20 to main frame 3 in operation steps 1680.Yet, if being set to the public information of " 1 " and ACD, the write-protect sign allows format and write operation, system controller 10 definite heavily initialization dishes 100 also begin heavily initialization dish 100.
Simultaneously, do not allow heavy initialized value and have when allowing heavy initialized value when having about ACD by the unrecognizable function of drive system about ACD by the discernible function of drive system, because the value about the ACD of discernible function can be updated, so the value about the ACD of discernible function can be changed into the heavy initialized value of permission in response to the heavy initialized request of user, then, can determine to begin to coil 100 heavily initialization.
If allow heavily initialization, then in operation steps 1650, system controller 10 is assigned the size of spare area with definite spare area in the data field of dish 100, and assignment is used for the UDA of user data to determine start address and the end address of UDA in the data field.In operation steps 1660, system controller 10 control write/read unit 2 are included in the ACA in the Lead-In Area that coils on 100 and upgrade the ACD status information with removing.At length say, when removing ACA, system controller 10 is only kept the ACD block state information during for defectiveness when corresponding ACD piece, and fills other ACD pieces in the ACA or each ACD_ID of other ACD pieces changed into " 00h " or " FFh " to indicate other ACD pieces available with " 00h " or " FFh ".In addition, system controller 10 upgrades the state of ACD status information with the change of reflection ACD piece as described in reference Figure 14 A to Figure 15 B.
In operation steps 1670, system controller 10 control write/read unit 2 are included in the DMA in the Lead-In Area that coils on 100 with removing, and control write/read unit 2 and servo control mechanism 50 are with initial DFL and comprise definite information (that is, spare area assignment information and UDA assignment information) and the DDS of the ACD status information of renewal is recorded among the DMA.Be recorded among the DMA after being eliminated though described initialization information, in fact, because dish 100 is rewritable types, so the initialization information that is recorded among the DMA is updated.Though in Figure 16, show, be recorded in being used for management accounts and should being eliminated in the predetermined portions of UDA at the filesystem information of the data of UDA.
Below, default ACD will be described.Whether ACD can support this ACD (that is, whether drive system can discern the function corresponding with this ACD) and be divided into and can discern ACD and can not discern ACD according to drive system.Can discern the default ACD that ACD comprises that all drive systems of supporting ACD must be supported.This default ACD can be in the initialization of dish or heavily is recorded among the ACA during the initialization and can be effectively utilized.Compare with the ACD that is used for predetermined function (such as write-protect or reproduce protection), default ACD comprises and is used for being initialised or heavily visiting the initialization information of this information storage medium during initialization when information storage medium.
Figure 17 represents the structure of default ACD according to an aspect of the present invention.With reference to Figure 17, default ACD1700 is recorded in the part of ACA.Default ACD 1700 has default character and the structure identical with general AC D.Default ACD 1700 comprises public information 1710 and customizing messages 1720.
Customizing messages 1720 can be according to the intention of user or drive system in initialization or heavily be recorded during the initialization.Customizing messages 1720 is information-related with dish, and be used to have specific function ACD customizing messages with such as write-protect or to reproduce the predetermined function of protecting relevant.Customizing messages 1720 can comprise drive ID and record date.Drive ID can be provided from drive system, and record date can be provided from main frame.When record date and drive ID are included in the customizing messages 1720 of default ACD 1700, can know easily when dish comes initialization by what drive system.Yet the information of other types can be included in the customizing messages 1720 according to the intention of user or drive system.
Figure 18 is the process flow diagram according to the initial method of the re-writable recording medium of the embodiment of the invention.With reference to Figure 18, in operation steps 1810, blank panel is written in the drive system.In operation steps 1820, drive system receives initialization command according to the request of this dish of user's initialization from main frame.In operation steps 1830, drive system is recorded in default ACD in response to initialization command among the ACA on the dish.The record of default ACD can be by being included in that system controller in the drive system is automatically carried out or can being carried out with in response to write order by the recorded information that is provided for being provided with default ACD by main frame.On the other hand, these two kinds of methods can be combined.Best and nonessential, all recordabilities/reproducibility information in the public information of default ACD of being included in be set to zero (0) with indicate this dish be recordable/reproducible.The customizing messages that is included among the default ACD can be set to suitable value according to the intention of user or drive system.
In operation steps 1840, assign the spare area in the data field on dish during defect management, to replace defective.In operation steps 1850, in the data field, determine start address and the end address of UDA.In operation steps 1860, initial DFL and the DDS that comprises spare area assignment information, UDA size information and the ACD status information after default ACD is recorded are recorded among the DMA on the dish.Because only default ACD is recorded among the ACA, so the ACD status information can comprise that the indication ACD piece corresponding with default ACD has the ACD block state information of effective ACD and indicate other ACD pieces in ACA is available ACD block state informations.
In operation steps 1870, the initial file system information response that is used for managing the data that will be recorded in UDA is in from the write order of main frame and be recorded among the UDA.Operation steps 1870 can be performed in any previous operation steps.
Figure 19 is the process flow diagram according to the heavy initial method of the re-writable recording medium of the embodiment of the invention.With reference to Figure 19, in operation steps 1910, the dish 100 that has been used is written in the drive system.In operation steps 1920, the system controller 10 that is included in the drive system receives heavy initialization command by main frame I/F 20 from main frame 3.In operation steps 1930, system controller 10 control write/read unit 2 with reading and recording in the Lead-In Area that is included in dish 100 DMA and the information among the ACA, and take out this information.In operation steps 1940, system controller 10 determines whether allow heavily initialization from the information that DMA and ACA read.
If determine that this information does not allow heavily initialization, then in operation steps 1980, system controller sends error message by main frame I/F 20 to main frame 3.Yet, if determine that this information allows heavily initialization, then in operation steps 1950, system controller 10 is assigned the size of spare area with definite spare area in the data field of dish 100, and assignment is used for the UDA of user data to determine start address and the end address of UDA in the data field.
In operation steps 1960, system controller 10 control write/read unit 2 are included in the ACA in the Lead-In Area on the dish 100 with removing and write down default ACD or be overwritten in the default ACD that writes down during the initialization with new default ACD.Here, before the default ACD of record, system controller 10 can be removed all the ACD pieces among the ACA or can not remove all ACD pieces among the ACA.Since default ACD during initialization, be recorded and be included among the default ACD value dish 100 when being used the intention according to the user suitably be provided with, so the default ACD that before heavy initialization, writes down can with according to the user heavily the value that suitably is provided with of the intention of initialization dish 100 override.Best and nonessential, all recordabilities/reproducibility information in the public information of default ACD of being included in be set to zero (0) with display disc 100 be recordable/reproducible.In addition, the customizing messages that is included among the default ACD can be set to suitable value according to the intention of user or drive system.
In operation steps 1970, system controller 10 control write/read unit 2 to be removing the DMA in the Lead-In Area, and control write/read unit 2 and servo control mechanism 50 are with initial DFL and comprise spare area assignment information, UDA size information and the DDS of the ACD status information upgraded is recorded among the DMA.
In operation steps 1990, system controller 10 has been recorded in response to from the write order of main frame 3 and heavy initialization and has been used for heavily initialization among the UDA and is used for the filesystem information of management accounts in the information of the data of UDA.
Figure 20 represents the structure according to the once writing recording medium 200 of the embodiment of the invention.With reference to Figure 20, once writing recording medium 200 comprises: Lead-In Area 210, data field 220 and leading-out zone 230.Lead-In Area 210 comprises: prerecorded zone 211, test section 212, ACA 213, DMA# 1 215, DMA#2214 and interim DMA (TDMA) 216.Data field 220 comprises: spare area # 0 221, UDA 222, spare area # 1 223.Leading-out zone 230 comprises: DMA# 3 231 and DMA# 4 232.
Except once writing recording medium 200 also comprised TDMA 216, once writing recording medium 200 had and the dish 100 essentially identical structures that show in Fig. 3.Interim DDS (TDDS), interim DFL (TDFL) and record management data (RMD) are recorded among the TDMA 216.During initialization, as shown in Figure 20, TDMA 216 comprises: initial TDDS 217 comprises spare area assignment information, UDA size information and ACD status information; Initial TDFL 218 comprises initial imperfection management information; With Initial R MD 219, comprise original records management information.
Figure 21 is the process flow diagram according to the initial method of the once writing recording medium of the embodiment of the invention.With reference to Figure 21, in operation steps 2110, empty Write-once disc is written in the drive system.In operation steps 2120, drive system receives initialization command according to the request of this dish of user's initialization from main frame.
In operation steps 2130, drive system is recorded in default ACD in response to initialization command among the ACA on the dish.The record of default ACD can be by being included in that system controller in the drive system is automatically carried out or can being carried out with in response to write order by the recorded information that is provided for being provided with default ACD by main frame.On the other hand, these two kinds of methods can be combined.Best and nonessential, all recordabilities/reproducibility information in the public information of default ACD of being included in be set to zero (0) with indicate this dish be recordable/reproducible.The customizing messages that is included among the default ACD can be set to suitable value according to the intention of user or drive system.
In operation steps 2140, assign the spare area in the data field on dish during defect management, to replace defective.In operation steps 2150, in the data field, determine start address and the end address of UDA.In operation steps 2160, comprise that the TDDS of spare area assignment information, UDA size information and the ACD status information after default ACD is recorded, initial TDFL and Initial R MD are recorded among the TDMA on the dish.Because only default ACD is recorded among the ACA, so the ACD status information can comprise that the indication ACD piece corresponding with default ACD has the ACD block state information of effective ACD and indicate other ACD pieces in ACA is available ACD block state informations.
In operation steps 2170, the initial file system information response that is used for managing the data that will be recorded in UDA is in from the write order of main frame and be recorded among the UDA.Operation steps 2170 can be performed in any previous operation steps.
Figure 22 is the process flow diagram according to the heavy initial method of the re-writable recording medium of the embodiment of the invention.With reference to Figure 22, in operation steps 2210, the dish 100 that has been used is written in the drive system.In operation steps 2220, the system controller 10 that is included in the drive system receives heavy initialization command by main frame I/F 20 from main frame 3.In operation steps 2230, system controller 10 control write/read unit 2 with reading and recording in the Lead-In Area that is included in dish 100 DMA and the information among the ACA, and take out this information.In operation steps 2240, system controller 10 determines whether allow heavily initialization from the information that DMA and ACA read.
If determine that this information does not allow heavily initialization, then in operation steps 2280, system controller sends error message by main frame I/F 20 to main frame 3.Yet, if determine that this information allows heavily initialization, then in operation steps 2250, system controller 10 is assigned the size of spare area with definite spare area in the data field of dish 100, and assignment is used for the UDA of user data to determine start address and the end address of UDA in the data field.
In operation steps 2255, system controller 10 is automatically or in response to writing " 00h " or " FFh " from the order of main frame 3 can not discerning among the ACD of ACA, and automatically or in response to upgrading from the order of main frame 3 can not discern the ACD piece about the status information that can not discern the ACD piece with indication and can be driven the device system and use.Because can not discern ACD relates to the ignorant function of user, drive system or application program, so can not know the details that can not discern ACD.If this ACD that can not discern is not eliminated, then during using heavy initialized dish, can cause inconvenience during the heavily initialization of dish.For example; if be recorded and do not eliminated from dish during going out the drive system of this read protecting function and heavily initialization that application program is carried out by unidentified about the ACD of read protecting function; then because this dish still has read protection; so after heavy initialization, the data that are recorded on this dish can not be read at reproduction period.In other words, do not have when using this dish under the read-protected situation that is provided with by previous user when the active user is knowing to coil, the active user can not use this dish effectively.Basically, the ACD that is recorded on the dish by the drive system that comprises the application program of discerning ACD comprises public information, according to this public information, also can use this dish even comprise the drive system of the application program that can not discern this ACD.Therefore, during using this dish, preferably do not change or eliminate ACD.Yet, because heavily initialization is used this dish by user's execution so that this dish renewal is laid equal stress on, so it is useless to the user to discern the function of ACD.
In operation steps 2260, system controller 10 changes according to user's request or eliminates and is included in the ACD that can discern in the ACD piece or adds new ACD piece to ACA, and upgrades the ACD status information.Can discern ACD relates to the known function of user, drive system or application program.Therefore, can carry out change, eliminate or add discerning the ACD piece according to user's request by special user's interface.According to this change, elimination or interpolation, the ACD status information that is included among the DDS is suitably upgraded.This ACD of identification can be included in the default ACD that describes among the embodiment that Figure 18 and Figure 19 represent.
Thereafter, in operation steps 2270, system controller 10 control write/read unit 2 to be removing the DMA in the Lead-In Area, and control write/read unit 2 and servo control mechanism 50 are with initial DFL and comprise spare area assignment information, UDA size information and the DDS of the ACD status information upgraded is recorded among the DMA.
In operation steps 2290, system controller 10 has been recorded in response to from the write order of main frame 3 and heavy initialization and has been used for heavily initialization among the UDA and is used for the filesystem information of management accounts in the information of the data of UDA.
Although be not all to need in all respects, each side of the present invention also can be embodied as the computer-readable code on the one or more computer readable recording medium storing program for performing.Computer readable recording medium storing program for performing is that can store thereafter can be by any data storage device of the data of computer system reads.The example of computer readable recording medium storing program for performing comprises: ROM (read-only memory) (ROM), random access storage device (RAM), CD-ROM, tape, floppy disk, optical data storage device and carrier wave (such as the data transmission by the internet).Computer readable recording medium storing program for performing also can be distributed on the computer system of network connection, thereby computer-readable code is stored and carries out with distribution mode.In addition, be used to realize that function program of the present invention, code and code segment can easily be released by the programmer in field under the present invention.
According to each side of the present invention, when dish is initialised or during by heavy initialization, can be recorded on this dish by the public information that all standards of drive system are discerned about the dish access control, even thereby the drive system that can not discern the function that this dish is adopted also can suitably operate based on this public information, increased the compatibility between dish and the drive system thus.
Although shown particularly with reference to embodiment and described each side of the present invention, but those skilled in the art should understand that, under the situation that does not break away from the spirit and scope of the present invention that limit its scope by claims and equivalent thereof, can carry out various modifications on form and the details to it.These embodiment only should be considered to the meaning of describing but not the purpose that is used to limit.Therefore, scope of the present invention is not to be limited by detailed description of the present invention, but is limited by claims, and all difference that drop within this scope will be interpreted as comprising in the present invention.
Claims (38)
1, a kind of in the method that is used for distributing on the information recording carrier that uses together with recording/reproducing apparatus the district, this method comprises:
The assigns access control zone, this access control district comprises the access control data, these access control data have the public information that is used for by the predetermined function of the correspondence of the record of complying with type and/or reproducer identification, and be configured to allow to discern the non-visit of complying with the recording/reproducing apparatus control of type of predetermined function to information recording carrier
Wherein, be can be about the access control data of at least one aspect of predetermined function, and be initialised or heavily be recorded in the access control district during initialization when information recording carrier by non-recording/reproducing apparatus identification of complying with type.
2, the method for claim 1, wherein, but about the public information of discernible function comprise the ID of discernible function, about the form voltinism information of information recording carrier, about recordability/reproducibility information or its combination of the subregion that on information recording carrier, defines.
3, method as claimed in claim 2, wherein, but form voltinism information is set to " can be formative " and recordability/reproducibility information is set to " recordable ".
4, the method for claim 1, wherein after having write down the access control data, the scheduled value in remaining Unrecorded district is filled in the access control district.
5, the method for claim 1 also comprises:
Distribute ACD status information district and have the defect management of dish definition structure, this dish definition structure is recorded and/or reproducer uses with to information recording carrier execution defect management,
Wherein, ACD status information district is included in the availability of coiling in the definition structure and being used to determine to be recorded in the ACD in the access control district.
6, the method for claim 1, wherein ACD also comprises customizing messages except that public information.
7, method as claimed in claim 6, wherein, customizing messages comprises the record customizing messages, this record customizing messages comprises: the record date of corresponding ACD and/or write down the equipment mark of this corresponding ACD.
8, the method for claim 1, described information recording carrier comprise that data can be written on it but the write once recording layer that can not be eliminated, and wherein, the access control district is dispensed on this write once recording floor.
9, the method for claim 1, but described information recording carrier comprises the regenerative recording layer that data can be written on it and can be eliminated, and wherein, but the access control district is dispensed on this regenerative recording floor.
10, a kind of recording/reproducing method comprises:
When information recording carrier be initialised or heavily during initialization in the access control district at information recording carrier record about can be by the access control data of the function of recording/reproducing apparatus identification so that information recording carrier can be complied with and the non-recording/reproducing apparatus of complying with type uses
Wherein, the access control data comprise the non-public information of complying with the recording/reproducing apparatus control of type to the visit of information recording carrier that is configured to allow to discern predetermined function, and this predetermined function can and be adapted to information recording carrier by the recording/reproducing apparatus identification of complying with type.
11, recording/reproducing method as claimed in claim 10, wherein, but comprise about the public information of discernible function can be by the record of complying with type and/or reproducer identification and can not be by the ID of the predetermined function of the non-record of complying with type and/or reproducer identification, about the form voltinism information of information recording carrier, about recordability/reproducibility information or its combination of the subregion that defines on information recording carrier.
12, recording/reproducing method as claimed in claim 11, wherein, when information recording carrier is initialised or heavily during initialization, but form voltinism information is set to " can be formative " and recordability/reproducibility information is set to " recordable ".
13, recording/reproducing method as claimed in claim 10 also comprises:
Be recorded the back in the access control data and be filled in remaining Unrecorded district in the access control district with predetermined value.
14, a kind of method of initialization information recording medium, this method comprises:
The initialization information that will be used for defect management and disk management is recorded in the defective of defect management to take place in the data field of management on being arranged in information recording carrier that is arranged on the information recording carrier; With
To be recorded in about access control data in the access control district that is arranged on the information recording carrier by the discernible predetermined function of recording/reproducing apparatus, these access control data have public information, this public information be configured to be used to allow any non-recording/reproducing apparatus control of complying with type that can not discern predetermined function that information recording carrier is adopted to the visit of this information recording carrier and sign for the record of complying with type of identification predetermined function and/or the predetermined function of reproducer.
15, method as claimed in claim 14, wherein, but comprise about the public information of recognition function: but the ID of the predetermined function that does not identify by the record of complying with type and/or reproducer identification and by the non-recording/reproducing apparatus of complying with type, about the form voltinism information of information recording carrier, about recordability/reproducibility information or its combination of the subregion that on information recording carrier, defines.
16, method as claimed in claim 15, wherein, but form voltinism information is set to " can be formative " and recordability/reproducibility information is set to " recordable ".
17, method as claimed in claim 14 also comprises:
After the access control data are recorded, fill the Unrecorded zone of maintenance in the access control district with tentation data.
18, method as claimed in claim 14, wherein, initialization information comprises:
Dish definition structure (DDS) comprises about being assigned in the data field with the assignment information of the spare area of the data that are used for writing down the defective data that replacement takes place in the data field with about the assignment information of the user data area of the wherein user data in the data field; With
Defect list (DFL) comprises the initial information that is used for defect management.
19, a kind of method of heavy initialization information recording medium, this method comprises:
Being used for being recorded in of defect management and disk management by use is arranged in the initialization information of the defect management on the information recording carrier and uses the access control data that are recorded in the access control district that is arranged on the information recording carrier to determine whether information recording carrier can be by heavily initialization, these access control data have public information, and this public information is used for by the corresponding predetermined function of the record of complying with type and/or reproducer identification and is configured to be used to allow to discern the non-visit of complying with the recording/reproducing apparatus control of type to this information recording carrier of the predetermined function that information recording carrier is adopted; With
If determine that this information recording carrier can be by heavily initialization, then upgrade initialization information with heavy initialization information in defect management, removing the access control district also will be about being recorded in the access control district by complying with the non-access control data of complying with the discernible predetermined function of recording/reproducing apparatus.
20, method as claimed in claim 19, wherein, but comprise about the public information of recognition function: but the ID of the predetermined function that does not identify by the record of complying with type and/or reproducer identification and by the non-recording/reproducing apparatus of complying with type, about the form voltinism information of information recording carrier, about recordability/reproducibility information or its combination of the subregion that on information recording carrier, defines.
21, method as claimed in claim 20, wherein, but form voltinism information is set to " can be formative " and recordability/reproducibility information is set to " recordable ".
22, method as claimed in claim 19 also comprises:
After the access control data are recorded, fill the Unrecorded zone of maintenance in the access control district with tentation data.
23, method as claimed in claim 19, wherein, heavy initialization information comprises:
Dish definition structure (DDS) comprises about being assigned in the data field with the assignment information of the spare area of the data that are used for writing down the defective data that replacement takes place in the data field with about the assignment information of the user data area of the wherein user data in the data field; With
Defect list (DFL) comprises the initial information that is used for defect management.
24, method as claimed in claim 23 also comprises: the size of determining the spare area as about the assignment information of spare area and determine the start address of user data area and the end address as assignment information about user data area.
25, a kind of recording/reproducing method comprises:
With data write between the defective that has the access control district that access control data (ACD) are arranged and the ACD piece that comprises ACD is arranged and the recordability selectable and indicate one of them status information ACD status information district information recording carrier or from this information recording carrier reading of data, this ACD has public information, and this public information is used for by the corresponding predetermined function of the record of complying with type and/or reproducer identification and is configured to be used to allow to discern the non-visit of complying with the recording/reproducing apparatus control of type to this information recording carrier of the predetermined function that information recording carrier is adopted; With
When information recording carrier during, change status information about the ACD piece by heavy initialization.
26, recording/reproducing method as claimed in claim 25 wherein, changes status information and comprises: the status information that will indicate the ACD piece to have effective ACD is changed into the status information that indication ACD piece has invalid ACD and can be used for the record of ACD.
27, recording/reproducing method as claimed in claim 25 wherein, changes status information and comprises: maintenance indication ACD piece is defective status information and indicates the ACD piece to can be used for the status information of the record of ACD.
28, recording/reproducing method as claimed in claim 25 wherein, changes status information and comprises: will indicate the ACD piece to have effective ACD and the status information of the defective when reproducing changes into that to indicate the ACD piece be defective status information.
29, recording/reproducing method as claimed in claim 25 also comprises: when information recording carrier during by heavy initialization, one of record " 00h " and " FFh " is included in the validity of the ACD piece in the access control district with indication as the ID of ACD.
30, recording/reproducing method as claimed in claim 29 also comprises: when by the validity of the ACD piece of the ID of ACD indication with about the status information of ACD piece when inconsistent, based on coming from ACD piece reading of data about the status information of ACD piece.
31, recording/reproducing method as claimed in claim 29 also comprises: when when in the status information of reproducing about the ACD piece, making a mistake, determine the validity of ACD piece based on the ID of ACD, and based on this definite result from ACD piece reading of data.
32, a kind of recording/reproducing method comprises:
When information recording carrier is initialised or heavily during initialization, default access control data (ACD) is recorded in the access control district,
Wherein:
The access control district is set in the information recording carrier to write down ACD therein, this ACD has public information, this public information be used for by the corresponding predetermined function of the record of complying with type and/or reproducer identification and the non-recording/reproducing apparatus control of complying with type that is configured to be used to allow to discern predetermined function that information recording carrier is adopted to the visit of this information recording carrier and
Default ACD comprises public information and the predetermined customizing messages that is configured to be used to allow to the write/read operation of the subregion that defines on information recording carrier.
33, recording/reproducing method as claimed in claim 32, wherein, at least a portion of the value that is provided with for default ACD is provided by at least one of main frame and control module.
34, a kind of recording/reproducing method comprises:
When recording/reproducing apparatus initialization or heavy initialization information recording medium, will be about being recorded in the access control district by the control data of default access at least (ACD) among the ACD of the discernible function of recording/reproducing apparatus,
Wherein:
The access control district is set in the information recording carrier to write down ACD therein, this ACD has public information, this public information be used for by the corresponding predetermined function of the record of complying with type and/or reproducer identification and the non-recording/reproducing apparatus control of complying with type that is configured to be used to allow to discern predetermined function that information recording carrier is adopted to the visit of this information recording carrier and
Default ACD comprises public information and the predetermined customizing messages that is configured to be used to allow to the write/read operation of the subregion that defines on information recording carrier.
35, a kind of recording/reproducing method comprises:
When information recording carrier during by heavy initialization, change in the access control district about by the data in access control data (ACD) piece of the discernible function of recording/reproducing apparatus; With
When information recording carrier during by heavy initialization, the value record that will indicate " available " in the access control district about in the ACD piece by the unrecognizable function of recording/reproducing apparatus,
Wherein, the access control district is set in the information recording carrier to write down ACD therein, this ACD has public information, and this public information is used for by the corresponding predetermined function of the record of complying with type and/or reproducer identification and is configured to be used to allow to discern the non-visit of complying with the recording/reproducing apparatus control of type to this information recording carrier of the predetermined function that information recording carrier is adopted.
36, recording/reproducing method as claimed in claim 35, wherein, the step of this change comprises:
But but change or eliminate about the data in the ACD piece of recognition function or add new ACD piece about new recognition function according to user's request; With
But upgrade about status information about the ACD piece of recognition function according to this change, elimination and the result that one of adds.
37, recording/reproducing method as claimed in claim 36, wherein, but the ACD piece about new recognition function comprises: default ACD has the public information and the predetermined customizing messages that are configured to be used to allow to the write/read operation in the subarea that defines on information recording carrier.
38, recording/reproducing method as claimed in claim 35, wherein, the step of this record comprises:
One of " 00h " and " FFh " is recorded in about not having valid data with indication about the ACD piece of unrecognizable function in can not the ACD piece of recognition function; With
Change is about available about ACD piece that can not recognition function with indication about the status information of ACD piece that can not recognition function.
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2004-0033182 | 2004-05-11 | ||
KR1020040033182 | 2004-05-11 | ||
KR20040033182 | 2004-05-11 | ||
KR10-2004-0042921 | 2004-06-11 | ||
KR1020040042921 | 2004-06-11 | ||
KR20040042921 | 2004-06-11 | ||
KR1020040044514A KR100677120B1 (en) | 2004-05-11 | 2004-06-16 | Optical recording medium, recording/reproducing apparatus, recording/reproducing method, initializing method and re-initializing method |
KR10-2004-0044514 | 2004-06-16 | ||
KR1020040044514 | 2004-06-16 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200510069928 Division CN1707671B (en) | 2004-05-11 | 2005-05-11 | Recording/reproducing apparatus |
Publications (2)
Publication Number | Publication Date |
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CN101064160A true CN101064160A (en) | 2007-10-31 |
CN101064160B CN101064160B (en) | 2012-11-07 |
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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CN 200510069928 Active CN1707671B (en) | 2004-05-11 | 2005-05-11 | Recording/reproducing apparatus |
CN2007101091544A Expired - Fee Related CN101064160B (en) | 2004-05-11 | 2005-05-11 | Partition method, recording/reproducing method, initialization method, and reinitialization method |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200510069928 Active CN1707671B (en) | 2004-05-11 | 2005-05-11 | Recording/reproducing apparatus |
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CN (2) | CN1707671B (en) |
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CN110324502B (en) * | 2018-03-30 | 2021-11-02 | 北京京东尚科信息技术有限公司 | System and method for switching automatic call distribution unit |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0944269B1 (en) * | 1996-12-04 | 2002-11-13 | Matsushita Electric Industrial Co., Ltd. | Optical disc for high resolution and three-dimensional image recording, optical disc reproducing device, and optical disc recording device |
US6330210B1 (en) * | 1999-04-29 | 2001-12-11 | Hewlett-Packard Company | Data structure for control information on rewriteable data storage media |
CN1926624B (en) * | 2004-03-19 | 2011-02-16 | Lg电子株式会社 | Apparatus and methods for recording data on recording medium and reproducing data from the recording medium |
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2005
- 2005-05-11 CN CN 200510069928 patent/CN1707671B/en active Active
- 2005-05-11 CN CN2007101091544A patent/CN101064160B/en not_active Expired - Fee Related
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CN1707671A (en) | 2005-12-14 |
CN101064160B (en) | 2012-11-07 |
CN1707671B (en) | 2010-10-13 |
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