CN202422109U - Private information-protection electric board for copying machine - Google Patents
Private information-protection electric board for copying machine Download PDFInfo
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- CN202422109U CN202422109U CN2011204207116U CN201120420711U CN202422109U CN 202422109 U CN202422109 U CN 202422109U CN 2011204207116 U CN2011204207116 U CN 2011204207116U CN 201120420711 U CN201120420711 U CN 201120420711U CN 202422109 U CN202422109 U CN 202422109U
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- duplicating machine
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Abstract
The utility model discloses a private information-protection electric board for a copying machine. The electric board comprises a signal monitoring part which is connected with an external power supply, a built-in battery, a microprocessor and a memorizer and used for detecting the power supply of the electric board, guiding the normal operation of a memorizer when the external power supply works normally, switching into the built-in battery for power supplying when the external power supply is cut off, and starting the microprocessor to perform erasing and copying for data storage protection area unit of the memorizer; the microprocessor is used for realizing the erasing and copying of the protection area unit of the memorizer; the built-in battery is used for powering all the parts of the electric board; and the memorizer is used for storing the copy data. Due to the adoption of the electric board, the data of the copying machine can be protected from being stolen.
Description
Technical field
The utility model relates to the duplicating machine field, is specifically related to a kind of anti-duplicating machine safe electronic dish of divulging a secret.
Background technology
Conventional digital duplicating machine (containing digital complex machine) relies on its two-forty, jumbo duplicating ability, becomes the main office copier of some incorporated businesses, will use in a large number one period at present and in the future.Digital copier can be realized tens pages, go up the unmanned duplicating of louver, and can realize subsidiary functions such as convergent-divergent, filling watermark.
But there are major safety risks in digital copier.Digital copier is mainly taked the mechanism of " scanning---print ", promptly at first data to be duplicated is scanned, and is stored in (is main with hard disk) among the duplicating machine built-in storage medium, prints operation simultaneously, accomplishes " duplicating " flow process.Scan-data default storage in its duplicating process is in the duplicating machine hard disk; And it is resident for a long time; Write to empty automatically or cover when full until hard disk and write; The duplicating machine retained data can dish duplicates totally or the Ethernet interface access way is stolen through plucking, and there is the great mistake potential safety hazard of divulging a secret in common duplicating machine residual data about 30000 pages to 240000 pages (relevant with capacity of memory device).In case the accident of stealing secret information, consequence is hardly imaginable.
Test shows that the digital copier potential safety hazard is very outstanding.Many moneys main flow duplicating machine is disassembled test, and test findings shows that duplicating machine duplicates data and can take certain technological means to obtain, even still there is the possibility of recovering reduction in the duplicating information of deleting, emptying.2010, media such as the sound of Beijing Youth Daily, computer newspaper, Pacific Ocean computer net, sohu.com, China, the Southern City disclosed this situation; Even the duplicating society in part city 40% sells the user profile of duplicating openly.According to news report such as " duplicating machine become maximum blabber ", the duplicating machine of producing later in 2002 is built-in hard disk mostly.All situation show that digital copier has become the great source of divulging a secret, if this is not carried out thematic guard technology research, with the security effectiveness of serious threat to management system.
The mode of stealing secret information of digital copier mainly is to pluck dish to duplicate and networking is obtained.Plucking that dish duplicates is tearing the mode of machine, dislodging hard disk open, carries out overall data analysis and handles, and breaks through the duplicating machine particular memory structure, bit-by-bit copy, mirrored storage, and post analysis process can be obtained dominance file and residual historical data; It is the mode with network penetration that networking is obtained; Through the duplicating machine Web server is the breach; Obtain the super administrator right of duplicating machine, break through preventive means such as duplicating machine address limitation, password authentification, SSL encryption connection, inject data processor in duplicating machine operating system; Break through the duplicating machine data and become preventive means such as code encryption, read overall data and carry out information reverting.
Control duplicating machine hard disk is a solution of stopping up the hidden danger of divulging a secret.Transforming duplicating machine operating system is the method for stopping up the hidden danger of divulging a secret from the source; Yet main number duplicating machine brand is mostly from Japan, such as Sharp, Canon, Panasonic etc.; Important informations such as its core control, data stream, data layout are all grasped in businessman's hand, and this method is difficult to realize.No matter plucking dish and duplicating still networking and obtain technology, all is the means of stealing secret information of carrying out to digital copier hard-disc storage information, as long as the duplicating machine hard disk is taked rational control measure, just can stop up this hidden danger of divulging a secret.
Yet, also there is not a kind of like this hard disk that can be applied to duplicating machine in the prior art, make user side effectively protect the duplicating safety of data.
The utility model content
In order to overcome the above-mentioned defective of prior art; The duplicating information security hidden danger that the utility model exists to digital copier; Utilize digital copier file system identification control technology, electric storage medium fast erasing technology and interface conversion technology; Proposed a kind of special electronic dish that possesses systematic protection, data protection and duplicating data fast erasing function, installed and be configured in the safe copier of formation on the universal digital duplicating machine, duplicated in order to the safety of protection classified information.
The anti-duplicating machine safe electronic dish of divulging a secret of the utility model comprises: the signal monitoring parts; Be connected with external power source, internal battery, microprocessor, storer; Be used for detected electrons dish power supply; Bootstrap memory operate as normal during the power supply operate as normal externally externally switches to the internal battery power supply during dump, and starts the operation microprocessor operation is wiped, override in the unit, data storage protected location of storer; Microprocessor, what be used to realize unit, storage protection district wipes, overrides operation; Internal battery is used to each parts power supply of electric board; Storer is used for storage and duplicates data.
Operation is wiped, override to read-write operation and piece that microprocessor adopts the SPI agreement to accomplish the flash memory specific region, and storer is the SD card.The anti-duplicating machine safe electronic dish of divulging a secret comprises that also SD changes the PATA/SATA control chip, is used to realize being connected of SD card memory spare and duplicating machine equipment.
The anti-duplicating machine safe electronic dish of divulging a secret also comprises the interface switching part, is used to control the SD card and switches, when the normal duplicating working of duplicating machine; The interface switching part realizes that the SD card changes being connected of PATA/SATA control chip with SD; Finish when duplicating, after duplicating machine closed tester in power-down state, interface switching part control SD interface switched; Realize that microprocessor links to each other with the SD card, start and wipe, override control function.
Microprocessor switches through the realization SD interface that transmits control signal to the interface switching part after wiping, overriding end, is reduced to SD commentaries on classics PATA/SATA interface control chip and links to each other with the SD card, duplicating machine is got into duplicate preceding state next time.
The SD card comprises SD mode and SPI mode with outside communication modes.
After external power source that the PATA/SATA data bus provides lost efficacy, the signal monitoring parts detected this information, through signal control line the power supply of microprocessor, interface switching part and SD card were switched to internal battery.
After microprocessor is started working; Transmit control signal to the interface switching part through signal control line; The SD card switched to microprocessor link to each other, the microprocessor log-on data program of wiping, override realizes the data storage areas on the SD card is carried out data erase, overrides.
Microprocessor is AVR atmega64 or NXP LPC2387.
Through utilizing the anti-duplicating machine safe electronic dish of divulging a secret of the utility model; Can prevent that concerning security matters duplicating data from illegally obtained; The anti-duplicating machine safe electronic dish replacement duplicating machine hard disk of divulging a secret uses; Automatically remove the duplicating data of storage each the duplicating when finishing, reach and duplicate the purpose that data security is maintained secrecy.In addition, this duplicating machine safe electronic dish can obtain the support of polytypic duplicating machine, easy installation is disposed, can be expanded application.
Description of drawings
Fig. 1 is the anti-duplicating machine safe electronic dish initial configuration process flow diagram of divulging a secret of the utility model;
Fig. 2 is the anti-duplicating machine safe electronic dish hardware elementary diagram of divulging a secret of the utility model;
Fig. 3 is the fundamental diagram of the anti-duplicating machine safe electronic dish of divulging a secret of the utility model;
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, to the utility model further explain.
Fig. 1 is the anti-duplicating machine safe electronic dish initial configuration process flow diagram of divulging a secret of the utility model.The duplicating machine safe electronic dish of should anti-divulging a secret is a anti-memory device of divulging a secret that is suitable for the different digital duplicating machine; Be configured in different duplicating machine equipment when using in embedding; Need to carry out initial configuration, can form suitable electric board and allot use to the duplicating machine equipment of different brands, model.The initial configuration flow process is as shown in Figure 1; At the unified anti-duplicating machine safe electronic dish configuration station of divulging a secret electric board is carried out zone configuration, format targetedly and handle, carry out again that handle two subzones and the generating run system file, become the allocation product at last; By the staff the former hard disk of duplicating machine equipment is dismantled the installment work with electric board, installation steps are identical with the mounting means of existing duplicating machine hard disk.
Fig. 2 is the anti-duplicating machine safe electronic dish hardware elementary diagram of divulging a secret of the utility model.With reference to Fig. 2, the anti-duplicating machine safe electronic dish of divulging a secret mainly comprises 6 parts compositions such as microprocessor, signal monitoring parts, interface conversion control chip, interface switching part, storer and internal battery, and its annexation is as shown in Figure 2.
The preferred SN74CBT3245 bus switch that adopts of signal monitoring parts 1, these parts have 8 bit switches, have that control is simple and reliable, software is easy to realization, ample supply of goods, the ratio of performance to price than advantages such as height.
What microprocessor was used for realizing unit, data memory module data storage protected location wipes, overrides operation.When preventing divulging a secret duplicating machine safe electronic dish initialization operation, primary partition also writes down flash memory LBA (LBA), realizes identification, the control of data area.When system moved, operation is wiped, override to page or leaf read-write operation and piece that microprocessor adopts the SPI agreement to accomplish the flash memory specific region.The preferred AVR atmega64 of the microprocessor of the utility model, NXP LPC2387 etc., NXP LPC2387 have advantages such as interface is complete, processing speed fast, low-power consumption, software resource is abundant, reliability is high, reasonable price.
SD changes PATA/SATA control chip 3 and is used to realize being connected of SD card memory spare and duplicating machine equipment; Comprise switching PATA/SATA interface; The interface circuit of interface module preferred maturity, stable, low-power consumption, like FC1306T, that this chip uses is wide, working stability, low in energy consumption, ample supply of goods; And the ratio of performance to price is higher, is suitable for the utility model and uses.
The SD card has two kinds with outside communication modes, is respectively SD mode and SPI mode.The SD mode adopts 6 line systems, uses CLK, CMD, DAT0～DAT3 carries out data communication, is the parallel transmission of nibble.The SPI mode is a serial data transmission, and under identical clock frequency, the speed that the SD mode is read and write the SD card than SPI mode is fast.But in general, microprocessor and SD card use the SPI mode more, and use the SD mode less, and this is because microprocessor mostly has standard SPI interface, is easy to realize.In the utility model, preferably take the SPI mode, its interface rate can satisfy duplicating and wipe, overrides demand, and design realizes comparatively facility.
The interface switching part is used to control the SD interface and switches, and when the normal duplicating working of duplicating machine, the interface switching part realizes that SD card and SD change be connected (line 203,204) of PATA/SATA control chip; Finish when duplicating, after duplicating machine closed tester in power-down state, interface switching part control SD interface switched, and realizes that microprocessor links to each other with the SD card, starts and wipes, overrides control function; After the erasable end, microprocessor realizes that through transmit control signal to the interface conversion parts (line 209) the SD interface switches again, is reduced to SD commentaries on classics PATA/SATA interface control chip and links to each other with the SD card.
As shown in Figure 2, the anti-duplicating machine electronics of divulging a secret adopts the SD card to change the PATA/SATA control chip, and uses microprocessor to carry out down Monitor Unit and data erase.Microprocessor, PATA/SATA conversion and control chip are all through interface switching part and SD card connection; Microprocessor is monitored the PATA/SATA power supply in real time through the signal monitoring parts.The PATA/SATA power supply is an external power source, supplies power through the PATA/SATA data bus, and when the duplicating machine operate as normal, PATA/SATA data bus the 201, the 202nd, connection work.Do not work when the signal monitoring parts detect the PATA/SATA interface, just the electricity went off for external power source, starts internal battery this moment.When outside PATA/SATA power work just often, PATA/SATA conversion and control chip realizes and being communicated with of SD card through the interface switching part, duplicating machine is through PATA/SATA interface and SD cartoon letters, the completion reading and writing data; After the power-fail that the PATA/SATA data bus provides; The signal monitoring parts detect this information through line 205; And the power supply of microprocessor, interface switching part and SD card is switched to internal battery through signal control line 211,212,213; Microprocessor is started working; Transmit control signal to the interface switching part through signal control line 209, the SD card is switched to microprocessor link to each other (line 207,204), the microprocessor log-on data program of wiping, override realizes the data storage areas on the SD card is carried out data erase, overrides work; After the erasable end; Microprocessor switches through interface conversion unit control SD interface again; Be reduced to SD and change PATA/SATA interface control chip link to each other with the SD card (line 203,204); Erasable ending message is received through line 208 in the signal monitoring unit, just stops the internal battery power supply, gets into and duplicates the preceding state of beginning next time.
Fig. 3 is the anti-duplicating machine safe electronic disc system workflow of divulging a secret of the utility model.With reference to Fig. 3, duplicating machine gets into normal workflow after starting, and uses pattern identical with common duplicating machine, can carry out normal duplicating working, and SD commentaries on classics this moment PATA/SATA interface control chip links to each other with the SD card through the interface conversion parts.When duplicating end, after duplicating machine closed tester in power-down state, the signal monitoring parts monitored power cut-off information; Start the anti-duplicating machine safe electronic dish internal battery of divulging a secret and begin power supply; At this moment, microprocessor switches through interface conversion unit control SD interface, realizes that microprocessor links to each other with SD; Start and wipe, override control function, begin the data storage areas on the SD card is carried out data erase, overrides work; After the erasable end; Microprocessor switches through interface conversion unit control SD interface again, is reduced to SD commentaries on classics PATA/SATA interface control chip and links to each other with the SD card, and erasable ending message is received in the signal monitoring unit; Just stop the internal battery power supply, get into and duplicate the preceding state of beginning next time.
The special-purpose duplicating machine safe electronic dish of the utility model, its principal feature is: polytypic support, easy installation are disposed, can be expanded application.
So-called polytypic support; Be meant in the utility model of the anti-duplicating machine safe electronic dish of divulging a secret; We launch research to the operating system of main brand digital copiers such as Canon, Toshiba, Sharp, Konica Minolta, Ricoh, Hewlett-Packard; Operating systems such as type of comprising UNIX, type LINUX and RTOS contain FAT, the self-defined file layout of FAT32 and duplicating machine manufacturer, applicable to common main flow duplicating machine safeguard protection demand.Simultaneously, to the difference storage characteristics of different brands, different model digital copier, the development product can dispose through adjusting built-in memory card capacity fast, adapts to the demand of the duplicating machine memory device coming years.
The anti-duplicating machine safe electronic dish of divulging a secret of institute's utility model; To the duplicating machine storage device type; Be designed to PATA interface and SATA interface two equipment, can be in configuration is used through different shell encapsulation, to adapt to 1.8 cun, 2.5 cun, 3.5 cun installation requirement.When configuration is installed, only need the hard disk on the former duplicating machine is pulled down, the anti-duplicating machine safe electronic dish of divulging a secret of changing equal installation specification gets final product, and its install operation process is easier, quick.
The anti-duplicating machine safe electronic dish of divulging a secret that the utility model forms, its core are special electronic dishes with the protection of operating system district and data field outage erase feature.Its design concept is advanced, and operating system protection and the data that visual need are applied to portable computer such as store at the field temporarily.
The anti-duplicating machine safe electronic dish of divulging a secret of the utility model is applicable to the military-political systems of China constituent parts; Also visual need are allocated business department and company's uses such as other secret chambers that need dispose duplicating machine, typists' room, duplicating room, can effectively protect the safety of classified information to duplicate.
Above-described specific embodiment; Purpose, technical scheme and beneficial effect to the utility model have carried out further explain, it should be understood that the above is merely the specific embodiment of the utility model; Be not limited to the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (9)
1. prevent divulging a secret duplicating machine safe electronic dish for one kind, it is characterized in that this electric board comprises:
The signal monitoring parts; Be connected with external power source, internal battery, microprocessor, storer; The electric board power supply is detected; Bootstrap memory operate as normal during the power supply operate as normal externally externally switches to the internal battery power supply with the power supply of electric board during dump, and starts the operation microprocessor operation is wiped, override in the unit, data storage protected location of storer;
Microprocessor is wiped, is override the unit, data storage protected location of storer;
Internal battery is connected with each parts of electric board and supplies power;
Storer.
2. the anti-duplicating machine safe electronic dish of divulging a secret as claimed in claim 1 is characterized in that operation is wiped, override to read-write operation and piece that said microprocessor adopts the SPI agreement to accomplish the flash memory specific region.
3. the anti-duplicating machine safe electronic dish of divulging a secret as claimed in claim 2 is characterized in that said storer is the SD card.
4. the anti-duplicating machine safe electronic dish of divulging a secret as claimed in claim 3 is characterized in that, comprises that further SD changes the PATA/SATA control chip, and realization SD card memory spare is connected with duplicating machine equipment.
5. the anti-duplicating machine safe electronic dish of divulging a secret as claimed in claim 4 is characterized in that, further comprises: the interface switching part; Be used to control the SD card and switch, when the normal duplicating working of duplicating machine, the interface switching part realizes that the SD card changes being connected of PATA/SATA control chip with SD; Finish when duplicating, after duplicating machine closed tester in power-down state, interface switching part control SD interface switched; Realize that microprocessor links to each other with the SD card, start and wipe, override control function.
6. the anti-duplicating machine safe electronic dish of divulging a secret as claimed in claim 5; It is characterized in that; After wiping, overriding end; Microprocessor switches through the realization SD interface that transmits control signal to the interface switching part, is reduced to SD commentaries on classics PATA/SATA interface control chip and links to each other with the SD card, duplicating machine is got into duplicate preceding state next time.
7. the anti-duplicating machine safe electronic dish of divulging a secret as claimed in claim 6 is characterized in that the SD card comprises SD mode and SPI mode with outside communication modes.
8. the anti-duplicating machine safe electronic dish of divulging a secret as claimed in claim 7; It is characterized in that; After the external power source inefficacy that the PATA/SATA data bus provides; The signal monitoring parts detect this information, through signal control line the power supply of microprocessor, interface switching part and SD card are switched to internal battery.
9. like each described anti-duplicating machine safe electronic dish of divulging a secret of claim 5-8; It is characterized in that; After microprocessor is started working; Transmit control signal to the interface switching part through signal control line, the SD card is switched to microprocessor link to each other, the microprocessor log-on data program of wiping, override realizes the data storage areas on the SD card is carried out data erase, overrides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204207116U CN202422109U (en) | 2011-10-28 | 2011-10-28 | Private information-protection electric board for copying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204207116U CN202422109U (en) | 2011-10-28 | 2011-10-28 | Private information-protection electric board for copying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202422109U true CN202422109U (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204207116U Expired - Lifetime CN202422109U (en) | 2011-10-28 | 2011-10-28 | Private information-protection electric board for copying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202422109U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104077547A (en) * | 2014-06-25 | 2014-10-01 | 中国电子科技集团公司第三十研究所 | Data power down protection circuit for electronic device |
| CN106778373A (en) * | 2017-01-10 | 2017-05-31 | 浙江大学 | Data storage device, data protection system and its application method |
| CN109508156A (en) * | 2017-09-14 | 2019-03-22 | 北京立思辰计算机技术有限公司 | A kind of laser printer special chip |
-
2011
- 2011-10-28 CN CN2011204207116U patent/CN202422109U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104077547A (en) * | 2014-06-25 | 2014-10-01 | 中国电子科技集团公司第三十研究所 | Data power down protection circuit for electronic device |
| CN106778373A (en) * | 2017-01-10 | 2017-05-31 | 浙江大学 | Data storage device, data protection system and its application method |
| CN109508156A (en) * | 2017-09-14 | 2019-03-22 | 北京立思辰计算机技术有限公司 | A kind of laser printer special chip |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |