WO2004097651A1 - 情報処理装置 - Google Patents
情報処理装置 Download PDFInfo
- Publication number
- WO2004097651A1 WO2004097651A1 PCT/JP2004/005101 JP2004005101W WO2004097651A1 WO 2004097651 A1 WO2004097651 A1 WO 2004097651A1 JP 2004005101 W JP2004005101 W JP 2004005101W WO 2004097651 A1 WO2004097651 A1 WO 2004097651A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- information
- processing
- unit
- image data
- job
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/606—Protecting data by securing the transmission between two devices or processes
- G06F21/608—Secure printing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
- G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
- G06K15/18—Conditioning data for presenting it to the physical printing elements
- G06K15/1801—Input data handling means
- G06K15/1817—Buffers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
- G06K2215/0082—Architecture adapted for a particular function
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00838—Preventing unauthorised reproduction
Definitions
- the present invention relates to an information processing apparatus including means for storing information to be processed, and capable of operating means for making the information invalid.
- printer devices are connected to a communication network, and receive image data from another device such as a personal computer (PC) connected to the communication network and output an image.
- PC personal computer
- a scanning function that scans the image recorded on the paper and captures it as image data, forms an image based on the captured image data, and outputs the image, and uses a facsimile communication to communicate with an external facsimile machine.
- MFPs have been commercialized that include multiple functions in the printer device, such as a facsimile function for transmitting and receiving image data in a printer, and a transmission function for transmitting captured image data to an external device.
- a storage device such as a hard disk for storing information such as image data is provided in order to perform processing of image data in each function without stagnation.
- a parallel processing function is provided to sequentially store the received information while sequentially processing the information already stored in the storage means.
- the printer device As described above, a large number of PCs are connected via a communication network, and a plurality of users can give an instruction to output an image. For this reason, the images output on the recording paper according to the instructions of a plurality of users may be mixed with each other in the image storage unit, and the images may be erroneously carried away by another user. So, send from PC
- the printer device receives the job of the output image output, it stores the job and waits without outputting the image, and the user directly operates the printer device and inputs the output instruction.
- the technology to output the image after the image has been developed. In Japanese Patent Application Laid-Open No.
- a password is transmitted from a PC to a printer device together with image data, and the printer device stores the image data and waits, and the user directly operates the printer device.
- a technology for outputting an image when a correct password is input is disclosed. Also, in such a printer device, even if the power supply is stopped during the processing standby, information on the processing during the standby is backed up so that the image can be output after the power is turned on again.
- the information handled by the printer device may include confidential information such as sentences describing trade secrets, and security measures must be taken for the information stored in the storage device by the printer device.
- a printer device that stores image data until a correct passcode is input as disclosed in Japanese Patent Application Laid-Open No. 60-25385, relates to processing during standby. If a function to back up information is provided, the information is stored without being erased even after the power is turned off. For this reason, information such as image data can be extracted to the outside by reading information from an external device or removing storage means, and it is difficult to maintain confidentiality of the information to be handled. There is. Disclosure of the invention
- An object of the present invention is to provide an information processing device capable of performing such processing.
- An information processing apparatus comprises: a storage unit for storing information before processing; and when the processing of information is temporarily stopped and restarted, the information before processing is restarted with the storage unit storing the information.
- An information processing apparatus comprising: a resuming means; a valueless means for making the information valueless; and the valueless processing means for processing the information so that the valuelessness means renders the information valueless.
- An information processing apparatus includes: a storage unit for storing information before processing; and a restart for temporarily stopping and restarting the processing of information when the information before processing is stored in the storage unit.
- An information processing apparatus comprising: means for additionally activating a devaluating means for devaluating the processed information after processing the information; and
- a restriction unit that restricts the operation of the restart unit and restarts the processing of the information in a state where a part or all of the information before the processing is deleted from the storage unit.
- the information processing apparatus according to the present invention is characterized in that the resuming means includes means for maintaining a state in which the storage means stores the information before the processing while the processing of the information is stopped.
- the information before the processing includes data to be processed, and related information related to the data
- the storage unit includes: a first storage unit that stores data to be processed; A second storage unit for storing related information including information necessary for reading data to be processed from the first storage unit, wherein the limiting unit stores the related information from the second storage unit. It is characterized in that processing of information is resumed in the erased state.
- the information processing apparatus according to the present invention is characterized in that the second storage means is configured to encrypt and store the data to be processed.
- storage means for storing information before processing, and information before processing are restarted in a state where the storage means stores the information before processing when the apparatus is stopped and restarted, for example, after the power is turned off and on again.
- the devaluation means for devaluating the processed information is operable in the information processing apparatus having the resumption means, the operation of the resumption means is restricted, and a part or all of the information before the processing is performed. And restart.
- the devaluation means is operable by switching between operation and non-operation by setting, or operable by additionally providing. By erasing part or all of the information before processing and resuming it, information related to processing is prevented from continuing to be stored in a state that can be retrieved outside, and the confidentiality of the information to be processed is maintained.
- the restart means uses a backup power supply or the like to maintain the information before processing so as not to be lost even when the power is cut off. Even after the restart, the information waiting for processing can be processed, and the convenience is maintained.
- data to be processed such as image data and related information including information necessary for reading the data such as an address and a dress in which the data is stored are stored in the storage means. If the devaluation means is operating, the processing is restarted with the related information deleted. After restarting, the related information has been lost, making it difficult to read the data. This prevents information relating to the processing from being stored in a state that can be retrieved to the outside, and keeps the confidentiality of the information to be processed.
- FIG. 1 is a block diagram showing an internal configuration of a printer device which is an information processing device of the present invention.
- FIG. 2 is a schematic diagram showing a process performed by the printer device when outputting an image.
- Fig. 3 is a conceptual diagram showing an example of the contents of the job management table stored in the storage unit, and Fig. 4 is the procedure of the operation of the printer device, which is the information processing device of the present invention, stopping the main power supply.
- FIG. 1 is a block diagram showing an internal configuration of a printer device as an information processing device of the present invention.
- the printer device 1 is an information processing device of the present invention, and includes a control unit 101 including a CPU for performing calculations and a RAM for storing temporary information associated with calculations, and the control unit 101 includes: A ROM 109 storing a control program for controlling the printer device 1 is connected thereto, and the control unit 101 controls the printer 1 in accordance with the control program stored in the ROM 109. Controls the entire counter device 1.
- the control unit 101 is connected to a management unit 104, which is a memory for storing management information for managing the processing performed by the printer device 1.
- the printer 104 refers to the management information stored in the unit 104 and controls the printer 1 based on the referenced information.
- the control unit 101 also includes an image reading unit 107 that scans and reads an image recorded on paper and generates electronic image data based on the read image. And an image forming unit 108 for recording the formed image on recording paper and outputting the formed image.
- the printer device 1 functions as a copying device that copies the image read by the image reading unit 107.
- the control unit 101 is connected to a storage unit 106 made of a hard disk or a nonvolatile memory.
- the storage unit 106 is a first storage unit according to the present invention
- the management unit 104 is a second storage unit according to the present invention
- the storage unit 106 is data to be processed.
- the management unit 104 stores the image data representing the content of the image to be output, and the management unit 104 relates to the image data such as the number of copies of the image to be output.
- the control unit 101 is connected to an operation unit 102 for receiving an operation from a user.
- the operation unit 102 is a display means such as a liquid crystal panel for displaying information necessary for the operation.
- input means such as a touch panel or a numeric keypad for inputting information such as control commands by a user's operation.
- a communication unit 103 connected to an external communication network N1 such as a LAN is connected to the control unit 101, and the communication unit 103 is connected via the communication network N1. Exchange information with external parties.
- a plurality of PCs 2, 2, ... are connected to the communication network N1, and the communication unit 103 receives image data transmitted from the PC 2 via the communication network N1.
- the image forming unit 108 can form and output an image from the image data received by the communication unit 103, and the printer device 1 functions as a network printer. Further, the printer device 1 can transmit image data generated by reading the image by the image reading unit 107 from the communication unit 103 to the PC 2 via the communication network N1, Functions as a network scanner.
- the communication unit 103 can perform facsimile communication, and the image reading unit 107 can perform image transmission via the public line network N2 connected to the communication network N1.
- Image data generated by reading The data can be transmitted to another facsimile device 3 connected to the network N2 by a facsimile communication.
- the image data transmitted from the facsimile device 3 by facsimile communication is received via the public line network N2, and the image forming unit 108 receives the image data from the image data received by the communication unit 103. Can be formed and output.
- the printer device 1 includes a main power supply 110, and the main power supply 110 receives power from an external commercial power supply and supplies power to the entire printer device 1. Further, the printer device 1 has a backup unit 105 as an auxiliary power supply other than the main power supply 110, and the knock-up unit 105 is connected to the management unit 104, so that the external commercial
- the main power supply 110 stops using a power supply or a built-in power supply
- power is supplied to the management unit 104 for a predetermined time
- power is supplied from the main power supply 110 for a predetermined time.
- the processing can be restarted while the information stored in the management unit 104 is maintained.
- FIG. 2 is a schematic diagram showing a process performed by the printer device 1 when outputting an image.
- the printer device 1 receives image data and job information from the PC 2 via the communication network N 1 in the communication unit 103. .
- the flow of image data is indicated by a thick arrow
- the flow of job information is indicated by a thin arrow.
- image data is received from the image reading unit 107
- job information is received from the operation unit 102.
- the control unit 101 stores the received job information in the management unit 104 as a job management table in which the received job information is assigned a management number in the order of reception.
- control unit 1 1 encrypts the received image data according to the control program stored in the ROM 109, stores the encrypted image data in the storage unit 6, and stores the encrypted image data in the storage unit 10. 6 Where image data is stored Is added to the job management table.
- FIG. 3 is a conceptual diagram showing an example of the contents of a job management table stored in the storage unit 105.
- the job information received by the printer device 1 includes information such as the date and time of reception, the request source indicating the PC 2 from which the job information was transmitted, the size of the image, the number of images output to recording paper, and the number of copies. It is recorded with management No. ⁇ in the order of reception date and time.
- a storage area of image data related to each job information is recorded, and image data to be output as an image can be referred to.
- a normal mode or a confidential mode is set as an image output mode.
- the confidential mode is a mode in which the password is included in the job information, transmitted from PC 2, and the image is output when the same password is received by the operation unit 102.
- the password is recorded.
- the control unit 101 stores the job management table in the storage unit 105 with the processing No. given with priority given to the job information for which the normal mode is set.
- the control unit 101 refers to the job management table stored in the management unit 104 according to the control program stored in the ROM 109, selects job information in the order of processing No., and selects the job information.
- the control unit 1 1 deletes the processed job information from the job management table stored in the management unit 104, and deletes the next job information. Select a report. For the job information for which the confidential mode is set, wait until the operation unit 102 receives the output instruction from the user.
- the control unit 101 Upon receiving an output instruction, the control unit 101 outputs a password input request to the display means of the operation unit 102 in accordance with the control program stored in the ROM 109. Then, when a password matching the password recorded in the job information related to the output instruction is received by the operation unit 102, the image output processing related to the job information is performed. Job information for which the confidential mode is set is continuously recorded in the job management table until the correct password is received and processed by the operation unit 102.
- the various functions of the printer device 1 as described above are controlled by the control unit 101 in accordance with the control program stored in the ROM 109, and the printer device 1, which is the information processing device of the present invention,
- the control unit 101 can control according to a security program for improving security.
- the control unit 101 can control the printer device 1 in accordance with the security program stored in the ROM 109 by accepting the operation unit 102.
- the control unit 101 operates as the devaluation unit according to the present invention by following the security program stored in the ROM 109, and the image data stored in the storage unit 106.
- a process such as erasing the image data or overwriting the image data with predetermined information is performed to render the processed image data stored in the storage unit 106 worthless so that it cannot be used. In addition, even if images and data are erased, image data may be able to be restored due to the magnetism remaining in the storage unit 106. It is also possible to set When the security program is not running, the management unit 104 stores management information indicating that the security program is not running. Also, when the ROM 109 storing the security program is provided, or when an instruction to operate the security program stored in the ROM 109 is received by the operation unit 102. The control unit 101 stores, in the management unit 104, management information indicating that the security program is operating.
- control unit 101 checks the management information stored in the management unit 104, and the content of the management information is a state in which the security program operates. Control unit 101 determines whether or not the security program is in operation, and if the security program is in operation, the control unit 101 renders the image data of which image output has been completed to be worthless, and performs information security. Is secured.
- control unit 101 controls the printer device 1 according to the security program
- control unit 101 controls the printer unit 1 according to the control program
- the knock-up unit 105 controls the printer unit 1 according to the control program. Prohibiting power supply to 04, and restarting with the job management table deleted from the management unit 104.
- FIG. 4 is a flowchart showing a procedure of an operation of stopping the main power supply 110 by the printer device 1 as the information processing device of the present invention.
- the printer device 1 receives an instruction to stop the main power supply 110 in the operation unit 102 (S 1), and the control unit 1 ⁇ 1 executes the control program and the control program stored in the ROM 109.
- the management unit 104 checks the management information stored in the storage unit 104 (S2), and determines whether or not the content of the management information indicates that the security program operates. Is determined (S3).
- the control unit 101 inhibits the operation of the backup unit 105 and stops the main power supply 110 according to the control program and the security program stored in the ROM 109 ( S 4).
- the job management table stored in the management unit 1 4 as a memory is used. Is erased.
- the job management table including the information of the storage area of the image data stored in the storage unit 106 is deleted, so that it becomes difficult to access the image data. .
- step S3 If the content of the management information does not indicate that the security program is in operation in step S3 (S3: NO), the control unit 101 stores the data in the ROM 109. In accordance with the control program and the security program, the backup section 105 is operated to stop the main power supply 110 (S5). In this case, since the job management table is stored, the stored image data can be processed after the printer device 1 is restarted.
- the printer device 1 as the information processing device of the present invention, after receiving the password from the PC 2 together with the image data and the job information, encrypts the image data and stores it in the storage unit 106.
- Stores the job information associates the password with the job information, stores it in the management unit 104 as a job management table, waits for processing, and stops the main power supply 110 when the security program can operate Then, the operation of the backup unit 105 that energizes the management unit 104 is prohibited, and the job information table stored in the management unit 104 is deleted.
- the printer device 1 is restarted, the image data stored in the storage unit 106 must be read because the job management table including the information on the storage area necessary for reading the image data has been deleted. Becomes difficult.
- the user who transmitted the image data from the PC 2 to the printer 1 If unprocessed image data is stored in the printer 1 such as when you forget to output the image, the image data can be taken out even after the power is turned off and the printer 1 is restarted. This prevents the information from being stored in an unsafe state and keeps the information to be processed confidential.
- the backup unit protects the job management table stored in the management unit 104, and the image is retained even after restarting. Output and maintain convenience.
- the storage unit 106 stores the image data in an encrypted form, it is difficult to take out the image data and use it even when the security program is not operating, and to store the information.
- a method of protecting the job management table by energizing the management unit 104 from the backup unit 105 is used.
- the present invention is not limited to this.
- a method of protecting the job management table by storing the job management table in another nonvolatile storage unit may be used.
- the contents of the job management table are referred to determine the difference between the normal output job information and the confidential output job information, and only the normal output jop information is stored in the non-volatile storage means for protection.
- a method of determining the type of job information included in the job management table and selecting the job information to be protected based on the type of job information may be used.
- a method for deleting the job management table a method for forcibly deleting the job management table when the main power supply 110 is stopped or restarted may be used. Furthermore, in the present embodiment, the method of erasing only the job management table has been described. However, the present invention is not limited to this. May be used. In this case, keep the confidentiality of the information processed more reliably be able to. Industrial applicability
- the operation of the resuming means is restricted, and a part or all of the information before processing is limited. Erase and restart. By erasing part or all of the information before processing and resuming it, information related to processing is prevented from continuing to be stored in a state that can be extracted to the outside. Keep the sex.
- the restarting means keeps the information before processing from being lost even when the power is turned off, thereby enabling processing of the information waiting for processing even after restarting. , Convenience is maintained.
- data to be processed such as image data and related information including information necessary for reading the data such as an address where the data is stored are stored in the storage means. If the devaluation means is operating, the processing is restarted with the related information deleted. After restarting, related information is lost, making it difficult to read data. This prevents information relating to the processing from being stored in a state that can be retrieved to the outside, and maintains the confidentiality of the information to be processed.
- data such as image data is taken out and used by encrypting and storing data to be processed even when the devaluation means is not operating.
- the present invention has excellent effects, for example, making it difficult to keep information confidential.
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- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
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- Bioethics (AREA)
- Storage Device Security (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Record Information Processing For Printing (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/549,855 US8045191B2 (en) | 2003-04-28 | 2004-04-08 | Information processing device with attached security settings and security setting-dependent operation modes |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003124251A JP4274845B2 (ja) | 2003-04-28 | 2003-04-28 | 情報処理装置 |
JP2003-124251 | 2003-04-28 |
Publications (1)
Publication Number | Publication Date |
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WO2004097651A1 true WO2004097651A1 (ja) | 2004-11-11 |
Family
ID=33410157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/005101 WO2004097651A1 (ja) | 2003-04-28 | 2004-04-08 | 情報処理装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8045191B2 (ja) |
JP (1) | JP4274845B2 (ja) |
CN (1) | CN100478920C (ja) |
WO (1) | WO2004097651A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060044624A1 (en) * | 2004-08-26 | 2006-03-02 | Xerox Corporation | Networked scanning |
JP4596538B2 (ja) * | 2005-09-05 | 2010-12-08 | 京セラミタ株式会社 | 情報処理装置、記録媒体、およびプログラム |
JP4704414B2 (ja) * | 2007-12-10 | 2011-06-15 | 株式会社リコー | 画像処理装置,送受信データ処理方法並びに送受信データ処理プログラム |
JP2009188940A (ja) | 2008-02-08 | 2009-08-20 | Ricoh Co Ltd | 画像処理装置、画像処理方法、及び画像処理システム |
JP4446004B2 (ja) * | 2008-02-19 | 2010-04-07 | シャープ株式会社 | 画像処理装置、画像処理方法および画像形成装置 |
US8687224B2 (en) * | 2010-06-28 | 2014-04-01 | Kabushiki Kaisha Toshiba | Server apparatus, image forming system, and management method of image forming data |
JP5810761B2 (ja) * | 2011-09-01 | 2015-11-11 | セイコーエプソン株式会社 | 処理制御サーバーおよび処理制御方法 |
JP5567041B2 (ja) * | 2012-02-02 | 2014-08-06 | 京セラドキュメントソリューションズ株式会社 | 画像形成装置 |
KR20140070686A (ko) * | 2012-11-08 | 2014-06-11 | 삼성전자주식회사 | 화상형성장치, 화상형성방법 및 컴퓨터 판독가능 기록매체 |
JP6207295B2 (ja) * | 2013-08-14 | 2017-10-04 | キヤノン株式会社 | 印刷装置及びその制御方法 |
US10279583B2 (en) | 2014-03-03 | 2019-05-07 | Ctpg Operating, Llc | System and method for storing digitally printable security features used in the creation of secure documents |
JP6708484B2 (ja) * | 2016-06-10 | 2020-06-10 | キヤノン株式会社 | 情報処理装置、制御方法、及びプログラム |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6025385A (ja) * | 1983-07-21 | 1985-02-08 | Ricoh Co Ltd | 秘文書印刷システム |
JPH05334168A (ja) * | 1992-02-18 | 1993-12-17 | Hitachi Ltd | フラッシュメモリを用いた情報処理装置 |
JPH09284572A (ja) * | 1996-04-19 | 1997-10-31 | Canon Inc | 画像処理装置及びその画像処理方法 |
JPH11143658A (ja) * | 1997-11-10 | 1999-05-28 | Fuji Xerox Co Ltd | ネットワークシステム |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61216012A (ja) | 1985-02-27 | 1986-09-25 | Fujitsu Ltd | 電源瞬断処理方式 |
JPS62239251A (ja) | 1986-04-10 | 1987-10-20 | Tokyo Electric Co Ltd | デ−タ処理装置 |
JP3011976B2 (ja) | 1990-08-28 | 2000-02-21 | 株式会社リコー | ファクシミリ装置 |
JPH04199246A (ja) | 1990-11-26 | 1992-07-20 | Hitachi Ltd | 高信頼化記憶システム |
JPH08234936A (ja) | 1995-02-24 | 1996-09-13 | Fuji Xerox Co Ltd | プリンタ装置 |
US5884122A (en) * | 1996-07-10 | 1999-03-16 | Minolta Co., Ltd. | Image forming apparatus |
JP2000047946A (ja) | 1998-07-28 | 2000-02-18 | Oki Electric Ind Co Ltd | 集積回路装置 |
JP4055357B2 (ja) | 2000-12-08 | 2008-03-05 | コニカミノルタビジネステクノロジーズ株式会社 | 画像形成装置 |
JP3766014B2 (ja) | 2001-11-16 | 2006-04-12 | 株式会社リコー | 画像形成装置のセキュリティシステム、画像形成装置のセキュリティ方法及び該方法を実行するためのプログラムを格納したコンピュータ読み取り可能な記憶媒体 |
JP4387687B2 (ja) * | 2002-04-26 | 2009-12-16 | キヤノン株式会社 | 画像処理装置、制御方法、及びプログラム |
US7072054B2 (en) * | 2002-12-16 | 2006-07-04 | Xerox Corporation | Security of incomplete/pending jobs after power loss |
-
2003
- 2003-04-28 JP JP2003124251A patent/JP4274845B2/ja not_active Expired - Fee Related
-
2004
- 2004-04-08 CN CNB2004800114257A patent/CN100478920C/zh not_active Expired - Fee Related
- 2004-04-08 US US10/549,855 patent/US8045191B2/en not_active Expired - Fee Related
- 2004-04-08 WO PCT/JP2004/005101 patent/WO2004097651A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6025385A (ja) * | 1983-07-21 | 1985-02-08 | Ricoh Co Ltd | 秘文書印刷システム |
JPH05334168A (ja) * | 1992-02-18 | 1993-12-17 | Hitachi Ltd | フラッシュメモリを用いた情報処理装置 |
JPH09284572A (ja) * | 1996-04-19 | 1997-10-31 | Canon Inc | 画像処理装置及びその画像処理方法 |
JPH11143658A (ja) * | 1997-11-10 | 1999-05-28 | Fuji Xerox Co Ltd | ネットワークシステム |
Non-Patent Citations (2)
Title |
---|
OKAMOTO Y., MURAKAMI A.: "Data security kit AR-FR4", SHARP TECHNICAL JOURNAL NO 16, no. 84, December 2002 (2002-12-01), XP002987016, Retrieved from the Internet <URL:http://www.sharp.co.jp/corporate/rd/journal-84/19-10-2b.htm> [retrieved on 20040705] * |
SHARP CORP.: "Security solution", February 2003 (2003-02-01), XP002987017, Retrieved from the Internet <URL:http://web.archive.org/web/20030204114431/www.sharp.co.jp/print/document/security/security_1.htm> * |
Also Published As
Publication number | Publication date |
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JP4274845B2 (ja) | 2009-06-10 |
CN100478920C (zh) | 2009-04-15 |
US20060192988A1 (en) | 2006-08-31 |
JP2004326695A (ja) | 2004-11-18 |
US8045191B2 (en) | 2011-10-25 |
CN1781084A (zh) | 2006-05-31 |
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