CN101916345A - Data protective device - Google Patents
Data protective device Download PDFInfo
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- CN101916345A CN101916345A CN2010102467941A CN201010246794A CN101916345A CN 101916345 A CN101916345 A CN 101916345A CN 2010102467941 A CN2010102467941 A CN 2010102467941A CN 201010246794 A CN201010246794 A CN 201010246794A CN 101916345 A CN101916345 A CN 101916345A
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- signal
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- protecting device
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Abstract
The invention discloses a data protective device, which comprises a storage and a controller which are arranged in a hermetic protective shell, wherein the controller is connected with the storage; a signal emission module and a signal receiving module are also arranged in the protective shell; a signal transmitted by the signal emission module is reflected by an inner layer of the protective shell and components, received by a receiving tube and fed back to the controller; and the controller receives the signal fed back by the receiving tube and judges whether the signal is safe or not, and if the signal is not safe, the controller sends an instruction for clearing storage data to prevent the data from being stolen and improve safety.
Description
Technical field
The present invention relates to the data security field, be specifically related to a kind of data protecting device.
Background technology
Along with the fast development of science and technology, safety of data has obtained increasing attention.At various data theft method, to take pictures etc. as bore detecting, polishing, electron microscope, its corresponding protection measure has also been made significant headway.
Normally access rights are set in the prior art and come reading of sensitive data protected, but it still can illegally be obtained sensitive data by the mode that other people adopt circuit to monitor by mode based on software; Another way is that management software and sensitive data installation are kept on the same chip, its benefit is to prevent that other people from carrying out the circuit monitoring and stealing data, but its shortcoming is, management software and data are stored in same chip, must cause the raising of processing expense, also can't stop other people to steal data in addition by boring, polishing, electron microscope mode such as take pictures.
In Chinese patent publication number CN101699461A (title: protective device of data inside chips) disclose a kind of protective device of data inside chips; its control circuit detects the parameter of three-dimensional circuit net; and compare with threshold value; when data surpass certain value; by the controller deleted data, and the conductive filament composition that three-dimensional control circuit is fine and closely woven braiding is specifically disclosed in instructions.Adopt the three-dimensional control circuit of fine and closely woven braiding to monitor, can solve polishing preferably to the stealing of data, but can't prevent that other people from adopting bore detecting to steal data.
Summary of the invention
The object of the present invention is to provide a kind ofly can prevent that other people from taking pictures etc. by circuit monitoring, chip polishing, bore detecting, electron microscope and illegally steal data, to improve safety of data.
To achieve these goals, the invention discloses a kind of Data Protection device, comprise the storer and the controller that are installed in the airtight containment vessel, controller links to each other with storer, also is equipped with in containment vessel:
Signal emission module: be used to transmit;
Signal receiving module: receive signal, and give controller with the signal feedback that receives by the signal emission module emission;
Power module: be used for circuit in the containment vessel is powered;
The signal that signal emission module is sent is through the reflection of protecting sheathing internal layer and components and parts; receive and feed back to controller by receiving tube; controller receives by the signal of receiving tube feedback and judges whether safety, removes the memory data instruction if find dangerous then sent by controller.
The present invention adopts more than one signal emission module emission detection signal, and detectable signal reflexes to more than one signal receiving module by containment vessel inwall and components and parts, and controller receives the signal by the receiver module feedback, and initial value is preserved; If airtight containment vessel is subjected to damage of external force; as polishing, boring etc.; produce vibrations, distortion or damaged; then each receiving tube reception output signal value and initial value are relatively; when changing above preset threshold; send the instruction instruction that clears data by controller, prevent that data are stolen, the raising security.
Description of drawings
Fig. 1 is a circuit module synoptic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As Fig. 1, data protecting device comprises the storer and the controller that are installed in the airtight containment vessel, and controller links to each other with storer, also is equipped with in containment vessel 1:
Signal emission module: be used to transmit, it comprises emission driving circuit and power valve 2, the signal that emission light sends can be the mixing of visible light, infrared ray, ultraviolet ray, infrasonic wave, ultrasound wave etc. or these signals, the emission driving circuit can link to each other with controller, and the emission driving circuit receives the instruction of controller transmission and transmits;
Signal receiving module: receive the signal by the signal emission module emission, and give controller with the signal feedback that receives, it comprises receiving processing circuit and receiving tube 3;
Power module: be used for circuit in the containment vessel is powered, can receive external power source stops storer being powered by receiving the controller instruction, when external power source is arranged, accept external power source and to inner battery charge, externally power by internal cell during power-off;
The signal that signal emission module is sent is through the reflection of protecting sheathing internal layer and components and parts; receive and feed back to controller by receiving tube; controller receives by the signal of receiving tube feedback and normal value relatively and judge whether safety; remove the memory data instruction if find dangerous then send by controller; it can stop storer being powered by the control power module; the power down of storer sensitive data is removed, perhaps send the order that clears data clearly to storer, prevent that data are stolen by controller.
For improving the correctness that feedback signal is judged, the normal value that controller is stored is the initial value of the receiver module feedback that receives of controller, if differing of signal value that is received and initial value surpasses preset threshold, then might be since have the people to airtight shell beat, hole, destructions such as cutting makes shell produce distortion or breakage, cause that the reflected probe signal changes, in this case, controller will send instruction and remove memory data.
At airtight betal can inside surface a plurality of paired power valves and receiving tube are installed; make its signal cover the inside surface of whole protecting shell; for improving the received signal intensity of receiving tube; to improve monitoring accuracy; internal layer at containment vessel is a reflector layer 4; scribbling reflecting material or containment vessel internal layer is shiny surface, thereby improves the efficient of signal reflex.
For improving the controllability of data protecting device, on protective cover, leave data interface circuit, it links to each other with controller, and by the instruction of being scheduled to the control transmission, thereby realization is to the flexible control of protective device.
Claims (10)
1. a data protecting device comprises the storer and the controller that are installed in the airtight containment vessel, and controller links to each other with storer, it is characterized in that, also is equipped with in containment vessel:
Signal emission module: be used to transmit;
Signal receiving module: receive signal, and give controller with the signal feedback that receives by the signal emission module emission;
Power module: be used for each circuit module in the containment vessel is powered;
The signal that signal emission module is sent is through the reflection of protecting sheathing internal layer and components and parts; receive and feed back to controller by receiving tube; controller receives by the signal of receiving tube feedback and normal value relatively and judge whether safety, removes memory data and instructs if find dangerous then sent by controller.
2. data protecting device according to claim 1 is characterized in that, described transmitting is the mixing of visible light or infrared ray or ultraviolet ray or infrasonic wave or ultrasound wave or these five kinds of signals.
3. data protecting device according to claim 1 is characterized in that, described signal emission module comprises signal drive circuit and an above signal projector.
4. data protecting device according to claim 1 is characterized in that, described signal receiving module comprises signal receiving processing circuit and an above signal receiving tube.
5. data protecting device according to claim 1 is characterized in that, the removing memory data instruction that described controller sends stops storer being powered for the control power module.
6. data protecting device according to claim 1 is characterized in that, the removing memory data instruction that described controller sends sends the deleted data instruction for controller to storer.
7. data protecting device according to claim 1 is characterized in that, described containment vessel internal layer is a smooth surface.
8. data protecting device according to claim 1 is characterized in that, described containment vessel internal layer scribbles reflecting material.
9. data protecting device according to claim 1 is characterized in that, described signal emission module is controlled it by controller and transmitted.
10. data protecting device according to claim 1 is characterized in that, also comprises an interface module with the controller communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102467941A CN101916345A (en) | 2010-08-05 | 2010-08-05 | Data protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102467941A CN101916345A (en) | 2010-08-05 | 2010-08-05 | Data protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101916345A true CN101916345A (en) | 2010-12-15 |
Family
ID=43323855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102467941A Pending CN101916345A (en) | 2010-08-05 | 2010-08-05 | Data protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101916345A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542197A (en) * | 2011-12-05 | 2012-07-04 | 深圳市莱克科技有限公司 | Sensitive data protection system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1174839A2 (en) * | 2000-07-19 | 2002-01-23 | Vimar SpA | Anti-tamper device and relative method for detecting tampering with a component |
| CN1698075A (en) * | 2003-01-30 | 2005-11-16 | 松下电器产业株式会社 | Abnormality detection device and information apparatus using the same |
-
2010
- 2010-08-05 CN CN2010102467941A patent/CN101916345A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1174839A2 (en) * | 2000-07-19 | 2002-01-23 | Vimar SpA | Anti-tamper device and relative method for detecting tampering with a component |
| CN1698075A (en) * | 2003-01-30 | 2005-11-16 | 松下电器产业株式会社 | Abnormality detection device and information apparatus using the same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542197A (en) * | 2011-12-05 | 2012-07-04 | 深圳市莱克科技有限公司 | Sensitive data protection system |
| CN102542197B (en) * | 2011-12-05 | 2014-12-24 | 深圳市莱克科技有限公司 | Sensitive data protection system |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101215 |