CN102794993A - High-speed storage device, imaging box and storage method - Google Patents
High-speed storage device, imaging box and storage method Download PDFInfo
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Abstract
The invention discloses a high-speed storage device used in an imaging box, and the imaging box thereof. The high-speed storage device is provided with an interface portion, a first storage area and a read-write control portion. The first storage area is configured to include at least two storage subsections, and size of a storage subsection is corresponding to a set of imaging information or data length of a write operation. A flash storage forms the first storage area. Through using the flash storage to replace an existing substitute FRAM scheme, and through a way of setting a plurality of storage subsections in the flash storage, data of a printer can be rapidly written on the high-speed storage device of the imaging box. The high-speed storage device and the imaging box do not need complex structures, reduce area taken on a circuit board, reduce size of the circuit board, and effectively reduces the cost.
Description
Technical field
The present invention relates to the printing consumables field, more particularly, relate to a kind of be used for printer communication be installed in the high-speed storage device of imaging on the box.
Background technology
In the present printing industry; In order to be identified in whether the imaging box of installing on the printer is that printer is supported, often on the imaging box, dismountable storage device is installed, this storage device is to be used for being stored as the relevant data of picture box; Colouring agent color in the box for example forms images; Remain information such as painted dosage, date of manufacture and manufacturer, after the imaging box was installed to printer, storage device carried out the exchange of data message with the printing function.
Existing part is used in the storage device on the imaging box; Adopted ferroelectric memory FRAM (Ferroelectric Random Access Memory) to be stored as the relevant data of picture box; The characteristics of FRAM are that speed is fast, can look like equally operation of volatile memory (for example SRAM, static random-access memory); Has the characteristic that still can preserve data after nonvolatile memory (for example EEPROM, the EEPROM) power down again.But owing to restricted by the ferroelectric crystal characteristic; FRAM still has the problem of maximum access number of times restriction; And at present domestic ferroelectric technical development is backward relatively, and what use on the market at present all is to be produced or licensed-type production by U.S. Ramtron company, causes the manufacturing cost of FRAM very high.
One Chinese patent application number is that 200920161000.4 specification discloses a kind of volatile memory of utilizing and carries out the temporary scheme of data as high-speed cache; According to this scheme; Realize and alternative FRAM through power storage module, volatile memory and three parts of nonvolatile memory; But because the erasable speed of EEPROM is slow; Do not having under the situation of externally fed, this scheme needs high capacity cell (or electric capacity) to the volatile memory power supply, and the data that effectively also will be temporarily stored in the volatile memory with the data of keeping volatile memory are saved among the EEPROM.
This shows; Scheme through power storage module, volatile memory and three part realizations of nonvolatile memory and alternative FRAM; Can not reduce cost effectively, the setting of a plurality of parts need take more board area; Thereby make the circuit board size become big, this does not meet the trend of miniaturization of electronic products.
Summary of the invention
Existing substitute in the FRAM scheme that cost is high for overcoming, complex structure and take the excessive deficiency of board area, the present invention provides a kind of high-speed storage device, this high-speed storage device is not only simple in structure, cost is low, can also realize the data in high speed storage.
The technical solution adopted for the present invention to solve the technical problems is following several kinds:
[application examples 1]
A kind of high-speed storage device of the box that is applied to form images is provided, and this imaging box is releasably attached on the printer, wherein,
This high-speed storage device has interface portion, first storage area and read-write control part; It is characterized in that; This first storage area be configured to comprise at least two memory segments; The data length of corresponding 1 a cover image-forming information of the size of this memory segment or a write operation, what constitute this first storage area is the flash memory.
According to this structure; When printer is for the first time carried out write operation and is write data toward high-speed storage device, if first memory segment is not also stored data, then with write direct first memory segment of first storage area that constitutes by the flash memory of the data of write operation; When writing data toward high-speed storage device for the second time; Need not wipe, but write next also the do not store memory segment of data, i.e. second memory segment of first storage area the data that the last time writes; When the N time (N is the predetermined integers more than 2) writes data toward high-speed storage device; Data are write the N memory segment of first storage area, by that analogy, can not be written into the data (generically understanding is when writing full data) of a memory segment once more until first storage area.Because the flash memory has the writing speed suitable with FRAM; Have the reading speed relative again with FRAM; Need not carry out erasablely through disposing enough big memory space to the data of flash memory, satisfy printer to being installed in the read-write requirement of the high-speed storage device of imaging on the box, and reduced the size of circuit board; Reduce cost, obtained better economic benefits.
In concrete the application, can also on high-speed storage device, dispose a power storage module, to guarantee writing of data.
[application examples 2]
Like application examples 1 described high-speed storage device, wherein,
This high-speed storage device also has the Status Flag zone, and said Status Flag zone has and writes and/or wipe sign, the said write sign with wipe sign and be respectively applied for the situation that writes and wipe of the data of the memory segment in said first storage area of mark.
Have first in this read-write control part and wipe control module; This first is wiped control module control and wipes the data in this first storage area; This first wipes the information of control module based on this status indicator zone marker; The i.e. situation that writes of first storage area is wiped in first storage area one or more and has been write the data of the memory segment of data.
According to this structure, in first storage area, write the data of some memory segments, because the power supply of printer is supplied with, first wipes control module can wipe the one or more memory segment that has write data in first storage area.The new like this data that write can be written in the memory segment of having wiped; Such first storage area part memory segment is used for writing; A part has write the memory segment of data and has wiped in good time, and first storage area can be recycled, and repeatedly writes and obliterated data.Through such structure, can the less flash memory of configuration capacity.
[application examples 3]
Like application examples 2 described high-speed storage devices, wherein,
This high-speed storage device also has power storage module; Power storage module connecting interface portion, read-write control part and first storage area; This power storage module is put aside electric energy when printer is supplied power to high-speed storage device, when this read-write control part writes and/or wipes first storage area, give this high-speed storage device power supply.
When printer write data to high-speed storage device, if the printer power-on time is too short to cause the write time shorter, the erase operation of other memory segments that under the printer power supply, carry out simultaneously with write operation just might be interrupted.According to this structure, because power storage module can be put aside electric energy, after printer was stopped power supply, power storage module can be supplied power and carried out erase operation, has guaranteed the completion of erase operation, has prevented to make mistakes.In addition, if the writing speed of flash storage does not catch up with the writing speed of printer, the setting of this power storage module also can guarantee the integrality of write operation.
[application examples 4]
Like application examples 1 described high-speed storage device, wherein,
This high-speed storage device also has power storage module, second storage area and Status Flag zone; Said Status Flag zone has and writes and/or wipe sign, the said write sign with wipe sign and be respectively applied for the situation that writes and wipe of the data of the memory segment in said first storage area of mark or second storage area.
This read-write control part has second and wipes control module; This second is wiped control module control and wipes the data in this first storage area and second storage area; This second wipes the information of control module based on this status indicator zone marker; The electric power storage situation of the i.e. situation that writes of first storage area and second storage area, and power storage module is wiped the data that write in first storage area or second storage area.
According to this structure; When first storage area can not be written into the data of a memory segment once more; The read-write control part writes second storage area toward the data that high-speed storage device writes with printer next time; Before second storage area can not be written into a memory segment once more (generically understand be write full data before); Wipe control module when wiping the data in first storage area when electric energy that power storage module is put aside is enough to supply with second, this second is wiped control module and wipes the data in first storage area.Same method; When second storage area is write full data; Continue to write new data toward first storage area of obliterated data, second wipes control module and wipes the data in second storage area when data that the electric energy of power storage module savings is enough to wipe second storage area.By that analogy, first storage area and second storage area can be recycled and write and wipe, the balanced erasable number of times of flash memory, the service life of under the situation that does not roll up memory capacity, having improved high-speed storage device.
[application examples 5]
Like application examples 1,3 or 4 arbitrary described high-speed storage devices, wherein,
This interface portion comprises power line port, first charging module and other COM1s; The input of this charging module connects power line port and other COM1s; The output of interface portion connects power storage module, and said other COM1 comprises at least one port in clock line port, I/O data line ports and the reset line port.
According to this structure; Except the power line port that utilizes interface portion charges to power storage module; Also made full use of other COM1s of interface portion, made and can power storage module be configured to have bigger electric power storage ability, and don't influenced the power supply supply of interface portion high-speed storage device.
[application examples 6]
Like application examples 1,3 or 4 arbitrary described high-speed storage devices, wherein,
This interface portion comprises second charging module, and this power storage module comprises the electricity accumulating unit more than 2 or 2, and this second charging module connects this power storage module, and this second charging module is given arbitrary said electricity accumulating unit charging successively.
According to this structure; Power storage module comprises the electricity accumulating unit that a plurality of capacity are little or one of them capacity is less; After the printer that the second charging module interface portion is connected obtains electric energy; Can make fast that the voltage of at least one electricity accumulating unit reaches voltage available, high-speed storage device can the response fast in the of short duration power supply of printer back like this, has solved the big and slow problem of charging of power storage module capacity.
[application examples 7]
Like application examples 1,3 or 4 arbitrary described high-speed storage devices, wherein,
This high-speed storage device stores flag information; This interface portion comprises the 3rd charging module; The 3rd charging module connects power storage module; In the instruction that the printer that interface portion receives sends, when comprising this flag information or comprising the information related with this flag information, the 3rd charging module charges to power storage module.
According to this structure; When a plurality of imaging box that has an above-mentioned high-speed storage device is installed on the printer; Through the flag information in this high-speed storage device, at any time, have only by printer identification or with the power storage module of the high-speed storage device of printer communication and obtain electric energy from printer; Thereby can accelerate the charging rate of power storage module on the one hand, another side can reduce the influence of printer output.
[application examples 8]
A kind of imaging box that is used for printer is provided, wherein,
This imaging box has like application examples 1 to 7 arbitrary described high-speed storage device.
[application examples 9]
A kind of printer is provided, wherein,
Be equipped with on this printer like application examples 8 described imaging boxes.
Can find out from above-mentioned technical scheme; In the high-speed storage device of the box that is applied to form images disclosed by the invention; Have interface portion, first storage area and read-write control part; This first storage area be configured to comprise at least two memory segments, the data length of corresponding 1 a cover image-forming information of the size of this memory segment or a write operation, what constitute this first storage area is the flash memory.The present invention replaces existing alternative FRAM scheme through utilizing the flash memory; And in the flash memory configuration a plurality of memory segments mode; Make the data of printer can be written to fast on the high-speed storage device of imaging box, do not need complicated structure, reduced the area that takies circuit board; Dwindle the size of circuit board, and reduced cost effectively.
The present invention can accomplished in various ways, for example can realize in the following manner: the high-speed storage device that can be connected to printer; Can be installed to the imaging box of printer; The information storage means that comprise this high-speed storage device; The communication system that comprises this high-speed storage device; The printer that comprises this high-speed storage device; Be used to realize the computer program of the information storage means of this high-speed storage device; Record the recording medium of this computer program etc.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the module frame chart of the high-speed storage device of the disclosed a kind of box that is applied to form images of embodiment;
Fig. 2 is the disclosed another kind of embodiment be applied to the to form images module frame chart of high-speed storage device of box;
Fig. 3 is the disclosed another kind of embodiment be applied to the to form images module frame chart of high-speed storage device of box;
Fig. 4 is the disclosed another kind of embodiment be applied to the to form images module frame chart of high-speed storage device of box;
Fig. 5 is the disclosed another kind of embodiment be applied to the to form images simplified structure diagram of high-speed storage device of box;
Fig. 6 is the disclosed another kind of embodiment be applied to the to form images simplified block diagram of high-speed storage device of box.
The specific embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Discover through the inventor; Read and the writing speed of FRAM is the microsecond grade, and the reading speed of EEPROM is basic suitable with FRAM, but writing speed has but arrived the millisecond grade; Because 1 millisecond=1000 microseconds, the writing speed of EEPROM is to be very slow comparatively speaking.And reading of flash memory (flash memory) is basic suitable with FRAM with writing speed, but erasing speed is slow, has reached the millisecond grade; In addition; Compare with EEPROM, the Flash memory has very high integrated level, and the flash memory that Capacity Ratio EEPROM is big can be done forr a short time on the contrary.Based on these research, need not substitute FRAM for realizing low cost and structure too complicatedly, the inventor has made some following explorations.
Embodiment one
A kind of high-speed storage device of the box that is applied to form images, this imaging box is releasably attached on the printer, sees shown in Figure 1.This high-speed storage device 100 has interface portion 110, first storage area 130 and read-write control part 120; It is characterized in that; Being configured to of this first storage area 120 comprises at least two memory segments, and this first storage area is divided N memory segment among Fig. 1.
For memory segment; So define: some printer whenever executes an operation and advances toward the original-pack storage device of imaging box to write a secondary data; These operational example are printed one page in this way, duplicate once or are executed print out task one time, and after the different operation, printer is generally different toward the data length that original-pack storage device writes; In addition; Some printer just when being replaced with as box or cutting out printer power supply, just writes a secondary data toward original-pack storage device, and often write all information (hereinafter also is referred to as a cover image-forming information) of original-pack storage device once again this moment.According to the different printer characteristic, the memory segment that the present invention can the configuration high-speed storage device is a byte, dozens of byte or hundreds of bytes, then the data length of corresponding 1 a cover image-forming information of the size of a memory segment or a write operation.
Because the writing speed of flash storage is very fast; First storage area of present embodiment is made up of the flash memory, according to module frame chart shown in Figure 1, when printer writes data toward high-speed storage device 100 execution write operations for the first time; If first memory segment is not also stored data; Then, when writing data toward high-speed storage device 100 for the second time, need not wipe the data that the last time writes with write direct first memory segment of first storage area 130 that constitutes by the flash memory of the data of write operation; But write the next memory segment of data of not storing; Promptly second memory segment of first storage area 130 when the N time (N is the predetermined integers more than 2) writes data toward high-speed storage device, writes data the N memory segment of first storage area 130; By that analogy, can not be written into the data (generically understanding is when writing full data) of a memory segment once more until first storage area 130.Because the flash memory has the writing speed suitable with FRAM; Have the reading speed suitable again with FRAM; Need not carry out erasablely through disposing enough big memory space to the data of flash memory, satisfy printer to being installed in the read-write requirement of the high-speed storage device of imaging on the box, and reduced the size of circuit board; Reduce cost, obtained better economic benefits.
In the present embodiment, the read-write control part can confirm which memory segment is data write based on statistical information or flag information.Method based on statistical information; For example, an address counting module is set in high-speed storage device, since 01 counting; Whenever write the data of a memory segment; The address that just will write data adds 1 and is updated to current counting, and this counting points to the address that next time writes, and the read-write control part just can directly write the next memory segment that does not write data with data according to count value; Another kind utilizes in the method for flag information; Can in high-speed storage device, be provided with one and write mark region; This label information that writes in the mark region corresponds to each memory segment, for example can write data with 1 mark, representes not write as yet data with 0.So whenever, write the data of a memory segment; The corresponding sign 0 of this memory segment that just in writing mark region, will write data is revised as sign 1; The read-write control part just writes the memory segment that does not also write data with data when write operation next time like this, just indicates the memory segment of 0 correspondence.In addition, else confirm method in addition, do not limit at this.
In concrete the application, can also on high-speed storage device, dispose a power storage module, to guarantee writing of data, this power storage module specifically can be electric capacity, inductance, rechargeable battery etc.
Embodiment two
On the basis of the foregoing description one, have first in the read-write control part of present embodiment and wipe control module.See shown in Figure 2ly, the structure of high-speed storage device and the above embodiments one are basic identical, have interface portion 210, the read-write control part 220 and first storage area 230.Difference is; This high-speed storage device also has Status Flag zone (not shown); This read-write control part 220 has first and wipes control module 221; Said Status Flag zone has and writes and/or wipe sign, the said write sign with wipe sign and be respectively applied for the situation that writes and wipe of the data of the memory segment in said first storage area of mark, this first wipes the information of control module 221 based on this Status Flag zone; The situation that writes of first storage area 230 is just wiped in first storage area 230 one or more and has been write the data of the memory segment of data.
The data of some memory segments in first storage area 230, have been write; Because the power supply of printer is supplied with; First wipes control module 221 can wipe the one or more memory segment that has write data in first storage area 230, and generally speaking, the data that write for the last time are useful datas; Be in and write the state that also can not wipe, and the data more early can be wiped.Particularly; Because the flash memory is wiped by page or leaf or by piece (page or leaf, can be called for short below the piece erase unit); When one of them memory segment that has write data takies the space of about one page, then first wipe the page or leaf that control module 221 can directly be wiped this memory segment place; If memory segment that has write data does not reach one page or one space, then wait for this moment or counting, satisfy reach an erase unit after, a plurality of memory segments that will reach an erase unit are again wiped.By that analogy, the data that newly write can be written in the memory segment of having wiped, and are used to replace previous data, and such first storage area 230 can be recycled, and repeatedly writes and obliterated data.Through such structure; Can the less flash memory of configuration capacity, in the present embodiment, the erase unit that one or more memory segments constitute; Can with one independently the flash memory exist, also can a plurality of erase units be formed on one independently in the flash memory.
Particularly, there is the dual mode realization how to confirm the memory segment that will write or wipe.
A kind of mode is to write sign and wipe sign in the Status Flag area stores; See the following form 1; Exemplarily indicate the information of writing and erasure information with one-bit digital in this table, initialization writes and is masked as 0 expression and does not write data as yet, and initialization is wiped and is masked as 1 and representes obliterated data.The read-write control part confirms according to writing flag information which memory segment is data write.When some memory segments corresponding write flag information and represent not write data as yet the time, write and be masked as 0, the read-write control part can be selected to write data toward this memory segment, after writing data, revises to write being masked as 1, revises to wipe being masked as 0; When this write flag information and representes to write data, the read-write control part no longer write data toward this memory segment.
Likewise, first wipe control module according to the flag information of wiping in the said Status Flag zone, the data of confirming to wipe which memory segment.When some memory segments corresponding wipe flag information and represent as yet not obliterated data the time, wipe and be masked as 0, the first and wipe the data that control module can this memory segment of selective erasing, after obliterated data, revise to write being masked as 0, revise to wipe being masked as 1; Wipe flag information when this and represent that the data of this memory segment are wiped free of, the read-write control part is no longer toward the data of wiping this memory segment.
Table 1
| Mode of operation | Write sign | Wipe sign |
| Initialization value | 0 | 1 |
| Write data | 1 | 0 |
| Obliterated data | 0 | 1 |
The scheme of another kind of definite memory segment that will write or wipe is; Only storage writes sign or wipes sign in the Status Flag zone; Then apparently, when writing sign expression and do not write data, also be appreciated that to data and wipe; When writing sign expression and write data, also be appreciated that to data not to be wiped free of; For wiping sign, when wiping sign and represent obliterated data, also be appreciated that to data do not write as yet, when wiping the sign expression as yet not during obliterated data, also be appreciated that to writing data.
Apparently, when a memory segment is not enough to constitute an erase unit, wipes sign for one and be corresponding a plurality of memory segments.
Embodiment three
On the basis of the foregoing description two, present embodiment is set up power storage module on high-speed storage device, see Fig. 3.Fig. 3 high speed storage device has power storage module 340; Power storage module 340 connecting interface portions 310, read-write control part 320 and first storage area 330; This power storage module 340 is put aside electric energy when printer is supplied power to high-speed storage device, when 320 pairs first storage areas 330 of this read-write control part write and/or wipe, give this high-speed storage device power supply.
At printer high-speed storage device is carried out in the read-write process, power storage module 340 can be put aside enough electric energy.Because memory read or write speed under the various power situation has fine distinction; And printer is to the power-on time of imaging box high-speed memory consistent often; Nuance when memory is made; Instability maybe can't be read and write completely in the time of might causing itself and printer communication, therefore requires the read or write speed uniformity of memory high.In addition; High-speed storage device in the present embodiment also can carry out wiping of data when writing data, but if the power-on time of printer is too short, even write operation can complete; And erase operation is because of power-on time deficiency Halfway Stopping, and this is easy to damage memory.In the present embodiment; Read-write control part 320 is also set up power storage module 340 except the power supply that utilizes printer is read and write and wiped first storage area 330, even the flash manufacturing process has fine distinction to cause read or write speed different like this; Perhaps the write operation of printer time power supply is too short; Read-write control part 320 first storage area 330 that is made up of the flash memory is write with/when wiping, because power storage module 340 can supply power, even the read or write speed of flash memory does not catch up with the read or write speed of printer a little; Also can guarantee to write or stability and integrality during obliterated data; Thereby can adopt dissimilar flash memories, improve compatibility, improve the life-span of memory.
Particularly, the data segmentation that printer is write writes in the FLASH memory, and the data that final stage writes are useful datas; Be used for substituting the data of front; The data that write more early this moment have just become hash, and the electric power storage situation of the power storage module that hash is then detected by high-speed storage device is in case satisfy the energy demand of wiping the FLASH memory; Then can wipe these hashes, realize the recycle of flash memory.Certainly, the invention is not restricted to this method for deleting.
Embodiment four
Also have the power storage module and second storage area in the high-speed storage device of present embodiment, see shown in Figure 4.This high-speed storage device has interface portion 410 among the figure, and read-write control part 420, the first storage areas 431 and power storage module 440 also have second storage area 432.This read-write control part 420 has second and wipes control module 421; Similar with embodiment two; This high-speed storage device still has Status Flag zone (not shown); This Status Flag zone has and writes and/or wipe sign, and this writes sign and wipes the situation that writes and wipe that sign is respectively applied for the data of the memory segment in said first storage area of mark or second storage area; This second wipes the information of control module 421 based on this Status Flag zone; The situation that writes of first storage area 431 and second storage area 432 just; And the electric power storage situation of power storage module, wipe the data that write in first storage area 431 or second storage area 432.Second to wipe control module similar according to the method and the embodiment two of the information erasing first in Status Flag zone or the information in second storage area; The structure of power storage module 440 and role and aforementioned power storage module 340 are similar, repeat no more at this, below only describe different places.
According to this structure; When first storage area 431 can not be written into the data of a memory segment once more; The read-write control part writes second storage area 432 of also not storing data toward the data that high-speed storage device writes with printer next time; Before second storage area 432 can not be written into a memory segment once more (generically understand be write full data before); Wipe control module 421 when wiping the data in first storage area 431 when electric energy that power storage module is put aside is enough to supply with second, this second is wiped control module 421 and wipes the data in first storage area 431.Same method; When second storage area 432 is write full data; Continue to write new data toward first storage area 431 of obliterated data, second wipes control module 421 and wipes the data in second storage area 432 when data that the electric energy of power storage module 440 savings is enough to wipe second storage area 432.By that analogy; First storage area 431 and second storage area 432 can be recycled and write and wipe; Through a plurality of erase units in arbitrary storage area are wiped simultaneously, reduced second and wiped control module and carry out the number of times of wiping, the balanced erasable number of times of flash memory; Practice thrift the power supply spending of power storage module, helped reducing the capacity of power storage module.
Embodiment five
On the basis of the foregoing description three or embodiment four, present embodiment further docks oral area to be described.Fig. 5 is the simplified structure diagram of high-speed storage device of the present invention; Frame of broken lines partly is first charging module among the figure; COM1 comprises power line port (VCC), clock line port (CLK), I/O data line ports (I/O) and reset line port (RST), and what power storage module was concrete is served as by electric capacity (C).Like this; The interface portion of high-speed storage device comprises power line port, first charging module and other COM1s; The input of this charging module connects power line port and other COM1s; The output of interface portion connects power storage module, and said other COM1 comprises at least one port in clock line port, I/O data line ports and the reset line port.
According to this structure; Except the power line port that utilizes interface portion is given electric capacity (C) charging as power storage module; Other COM1s of interface portion have also been made full use of; Make and can power storage module be configured to have bigger electric power storage ability again fast to the power storage module charging, and don't the power supply of high-speed storage device is supplied with because of obtain too much affecting power printer from the power line port.
Embodiment six
On the basis of the foregoing description three or embodiment four, present embodiment further docks oral area and power storage module is described, and shown in Figure 6 is the simplified block diagram of high-speed storage device, has only comprised interface portion and power storage module among the figure.Interface portion 610 comprises second charging module 611, and power storage module comprises the electricity accumulating unit more than 2 or 2, comprises first electricity accumulating unit 641 and second electricity accumulating unit 642 shown in the figure.This second charging module 611 connects this power storage module, and this second charging module 611 is given arbitrary said electricity accumulating unit charging successively.For example reach voltage available rapidly for the voltage that makes power storage module; Second charging module can give first electricity accumulating unit 641 chargings earlier, after the voltage of first electricity accumulating unit 641 reaches voltage available, gives second electricity accumulating unit 642 chargings again; Power storage module can outwards be supplied power in the very fast time like this; And the design of a plurality of electricity accumulating units makes electricity accumulating unit can put aside enough electric energy again, prolongs power-on time.
According to this structure; Power storage module comprises the electricity accumulating unit that a plurality of capacity are little or one of them capacity is less; After the printer that the second charging module interface portion is connected obtains electric energy; Can make fast that the voltage of at least one electricity accumulating unit reaches voltage available, high-speed storage device can the response fast in the of short duration power supply of printer back like this, has solved the big and slow problem of charging of power storage module capacity.
Particularly, it is less that first electricity accumulating unit 641 can be configured to capacity, after the quick charge, can guarantee to write data stability like this; And that second electricity accumulating unit 642 can be configured to capacity is bigger; Because the relative write operation of erase operation is few; The long influence not at all of the charging interval of such second electricity accumulating unit 642, second electricity accumulating unit 642 that capacity is bigger can guarantee the quite long complete execution of erase operation consuming time.But the invention is not restricted to above-mentioned capacity configuration.
Embodiment seven
On the basis of the foregoing description three or embodiment four, present embodiment is further described high-speed storage device.In printer, for forming the image of coloured image or high gloss, often a plurality of imaging boxes that hold different colorant of configuration in printer for this reason, when printer is communicated by letter with different imaging boxes, need the object of designated communication.Therefore, in the high-speed storage device of imaging box, generally store the flag information that is used to distinguish other imaging boxes.
Store flag information in the high-speed storage device of present embodiment, comprise the 3rd charging module in its interface portion, the 3rd charging module connects power storage module.After the instruction that the printer that interface portion receives sends; The relation of the flag information that comprises in the decision instruction of read-write control part and the flag information of high-speed storage device storage; Consistent when both, perhaps have between the two when getting in touch one to one, the 3rd charging module charges to power storage module.
According to this structure; When a plurality of imaging box that has an above-mentioned high-speed storage device is installed on the printer; Through the flag information in this high-speed storage device, at any time, have only by printer identification or with the power storage module of the high-speed storage device of printer communication and obtain electric energy from printer; Thereby can accelerate the charging rate of power storage module on the one hand, another side can reduce the influence of printer output.
Embodiment eight
Present embodiment provides a kind of imaging box that is used for printer, and wherein, this imaging box has one to embodiment seven arbitrary described high-speed storage device like embodiment.
According to this structure, can the box that form images cheaply be provided to the user.
Embodiment nine
Present embodiment provides a kind of printer, wherein, the eight described imaging boxes like embodiment is installed on this printer.
According to this structure, can provide low-cost to the user and safeguard and the low-cost printer that uses.
Variation
Variation one
Although the present invention is to be that background is drawn to substitute ferroelectric memory FRAM; But those having ordinary skill in the art will appreciate that; Scheme of the present invention can also be applied to other occasion, for example, substitutes eeprom memory; Or be applied in the brand-new product, with implemented with low cost high speed storing data.In the above-described embodiments, first storage area and second storage area can be two subregions in the same flash memory, also can be two independently flash memories.
Variation two
The foregoing description is to be that example is illustrated with the printer; Although printer comprises single function printer (ink-jet printer for example, impact printer, thermal printer; Laser printer; LED printers etc.) and multi-function printer (for example duplicate, printing and scanning integrated machine, duplicating, printing, fax and scanning integrated machine etc.), present embodiment can also be used on the imaging device of other types; For example duplicator, facsimile machine etc., promptly the foregoing description has referred to the device with imaging function with printer.
Variation three
The foregoing description is to describe the stand-by power supply in the high-speed storage device with power storage module and electricity accumulating unit, particularly, can be to be realized by secondary cell (being rechargeable battery), electric capacity, inductance and other devices that can put aside electric energy.
Variation four
In the accompanying drawing of the foregoing description correspondence, the segment number of memory segment is that order is arranged, but persons of ordinary skill in the art may appreciate that memory segment also can not be that order is arranged; In addition, also needn't be corresponding one by one between the segment number of memory segment and the storage array physical address, for example first memory segment needs not to be the initial address of storage array, also needs not to be the last bit address of storage array; Between each memory segment, can be that storage size is equal or unequal.
Variation five
In the foregoing description; Power storage module is supplied power to first storage area or second storage area; Can with the moment power supply synchronization of printer to high-speed storage device power supply, perhaps when printer stops high-speed storage device being supplied power, supply power again, this is not limited.
Variation six
The Flash memory has 100,000 to 1,000,000 times erasing and writing life, when the access times of flash memory have met or exceeded service life, then might cause communication abnormality or printer fault.Therefore; In the foregoing description; For preventing that first storage area or second storage area from being abused; Can also in high-speed storage device, dispose maximum and write indegree and maximum erasing times, reach and just can limit high-speed storage device behind the number of times of qualification and continue to use, write indegree and erasing times with control flash memory.
Variation seven
In the foregoing description, be the wire communication except embodiment five requires interface portion, among other embodiment, interface portion can be wired mode with communicating by letter of printer, also can be wireless mode.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (15)
1. the high-speed storage device of the box that is applied to form images; Said imaging box is releasably attached on the printer; Said high-speed storage device has interface portion, first storage area and read-write control part, it is characterized in that said first storage area is configured to comprise at least two memory segments; The data length of corresponding 1 a cover image-forming information of the size of a said memory segment or a write operation, wherein:
Constitute said first storage area for the flash memory, said read-write control part writes said first storage area with the mode of not wiping the memory segment that the last time writes data with data.
2. high-speed storage device according to claim 1, wherein,
Said high-speed storage device also has the Status Flag zone; Said Status Flag zone has and writes and/or wipe sign, the said write sign with wipe sign and be respectively applied for the situation that writes and wipe of the data of the memory segment in said first storage area of mark.
3. high-speed storage device according to claim 2, wherein,
When the information that writes sign institute mark in said Status Flag zone was represented not write data as yet, said read-write control module write the pairing memory segment of said write sign with data.
4. high-speed storage device according to claim 2, wherein,
Said read-write control part has first and wipes control module; Said first wipes control module control wipes the data in said first storage area; Said first wipes the information of control module based on said Status Flag zone, wipes in said first storage area one or more and has write the data of the memory segment of data.
5. high-speed storage device according to claim 4, wherein,
When the information of wiping sign institute mark in said Status Flag zone is represented as yet not obliterated data, said first wipes control module will saidly wipe the data erase that indicates pairing memory segment.
6. high-speed storage device according to claim 1, wherein,
Said high-speed storage device also has a power storage module.
7. high-speed storage device according to claim 4, wherein,
Said high-speed storage device also has power storage module; Said power storage module connects said interface portion, said read-write control part and said first storage area; Savings electric energy when said power storage module is supplied power to said high-speed storage device at said printer is given said high-speed storage device power supply when said read-write control part writes and/or wipes said first storage area.
8. high-speed storage device according to claim 2, wherein,
Said high-speed storage device also has the power storage module and second storage area, the said write sign with wipe the situation that writes and wipe that sign also is respectively applied for the data of the memory segment in said second storage area of mark; Said read-write control part has second and wipes control module; Said second wipes the data that said first storage area and said second storage area are wiped in control module control; Said second wipes control module based on the information in said Status Flag zone and the electric power storage situation of said power storage module, wipes the data that write in said first storage area or said second storage area.
9. according to claim 6,7 or 8 arbitrary described high-speed storage devices, wherein,
Said interface portion comprises power line port, first charging module and other COM1s; The input of said first charging module connects said power line port and said other COM1s; The output of said interface portion connects said power storage module, and said other COM1 comprises at least one port in clock line port, I/O data line ports and the reset line port.
10. according to claim 6,7 or 8 arbitrary described high-speed storage devices, wherein,
Said interface portion comprises second charging module, and said power storage module comprises the electricity accumulating unit more than 2 or 2, and said second charging module connects said power storage module, and said second charging module is given arbitrary said electricity accumulating unit charging successively.
11. according to claim 6,7 or 8 arbitrary described high-speed storage devices, wherein,
Said high-speed storage device stores flag information; Said interface portion comprises the 3rd charging module; Said the 3rd charging module connects said power storage module; In the instruction that the printer that said interface portion receives sends, when comprising this flag information or comprising the information related with this flag information, said the 3rd charging module charges to said power storage module.
12. an imaging box that is used for printer, wherein,
Said imaging box has like the arbitrary described high-speed storage device of claim 1 to 11.
13. a data storing method, this method comprises:
Prepare the step of the high-speed storage device of the box that is applied to form images; Said imaging box is releasably attached on the printer; Said high-speed storage device has interface portion, first storage area and read-write control part; Said first storage area is configured to comprise at least two memory segments, the data length of corresponding 1 a cover image-forming information of the size of a said memory segment or a write operation, wherein:
What constitute said first storage area is the flash memory;
Write data step, said read-write control part writes said first storage area with the mode of not wiping the memory segment that the last time writes data with data.
14. storage means according to claim 13, wherein,
Said high-speed storage device also has the Status Flag zone; Said Status Flag zone has and writes and/or wipe sign; The said write sign with wipe sign and be respectively applied for the situation that writes and wipe of data of the memory segment in said first storage area of mark, said write data step concrete grammar is:
When the information that writes sign institute mark in said Status Flag zone was represented not write data as yet, said read-write control module write the pairing memory segment of said write sign with data, and after writing data, revised the sign that writes of this memory segment correspondence.
15. storage means according to claim 14, wherein,
Said storage means also comprises:
The obliterated data step; When the information of wiping sign institute mark in said Status Flag zone is represented as yet not obliterated data; Said first wipes control module with the said data erase of wiping the pairing one or more memory segments of sign; And after obliterated data, revise the sign of wiping of these one or more memory segments correspondences.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210264083.6A CN102794993B8 (en) | 2012-05-25 | 2012-07-18 | A kind of high-speed storage device, imaging cartridge and storage method |
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| CN201210189998.5 | 2012-05-25 | ||
| CN2012101899985 | 2012-05-25 | ||
| CN201210189998 | 2012-05-25 | ||
| CN201210264083.6A CN102794993B8 (en) | 2012-05-25 | 2012-07-18 | A kind of high-speed storage device, imaging cartridge and storage method |
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| CN102794993A true CN102794993A (en) | 2012-11-28 |
| CN102794993B CN102794993B (en) | 2016-01-06 |
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| CN102794993B (en) | 2016-01-06 |
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Address after: 7th Floor, Building 04, No. 63, Qianshan Mingzhu North Road, Zhuhai City, Guangdong Province, 519000 Patentee after: Jihai Microelectronics Co.,Ltd. Address before: 7th Floor, Building 04, No. 63, Qianshan Mingzhu North Road, Zhuhai City, Guangdong Province, 519000 Patentee before: APEX MICROELECTRONICS Co.,Ltd. |