CN2869990Y - Dats storing apparatus with cipher read-write protection - Google Patents
Dats storing apparatus with cipher read-write protection Download PDFInfo
- Publication number
- CN2869990Y CN2869990Y CN 200520118584 CN200520118584U CN2869990Y CN 2869990 Y CN2869990 Y CN 2869990Y CN 200520118584 CN200520118584 CN 200520118584 CN 200520118584 U CN200520118584 U CN 200520118584U CN 2869990 Y CN2869990 Y CN 2869990Y
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- control circuit
- password
- read
- code
- write protection
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Abstract
A data storage device with code read/write protection, which comprises key module, code contrast control circuit for electrically connected key module, power supply and signal channel control circuit for electrically connected code contrast control circuit, and hard disc connected with power supply and signal channel control circuit. This utility model has the data storage device with code read/write protection which analyzes the code information keyed in by the user via the code contrast control circuit, and instructs power supply and signal channel control circuit to control the hard disc for read/write operation after confirming that the keyed in code is correct. In case the keyed in code is found incorrect, the hard disc does not allow read/write operation, thus contributing to the confidentiality of the data on the hard disc.
Description
Technical field
The utility model is meant a kind of data memory device with password read-write protection especially about a kind of data memory device.
Background technology
Along with the development of infotech, various electronic products are widely applied in daily life and the work, for example computing machine.And hard disk also uses widely because of a kind of typical information storage equipment as electronic product.The transmission of data information for convenience with carry, portable hard drive also becomes the instrument that a lot of business people or research staff use always.Usually portable hard drive is made up of traditional hard disk and hard-disk cartridge, and hard-disk cartridge provides the conversion of the connecting interface of conventional hard, and portable hard drive can be connected with computing machine with the realization plug and play by USB interface, thereby improves the ease of use of conventional hard.
Existing portable hard drive normally one connects computing machine, just can directly carry out read-write operation, obviously, this is unfavorable for maintaining secrecy of data, especially for the portable hard drive that stores some significant data, do not wish that certainly any one operator can conduct interviews or revises data.Therefore, be necessary portable hard drive is carried out read-write protection.
Summary of the invention
Therefore; the purpose of this utility model is to provide a kind of data memory device with password read-write protection; whether it controls hard disk by password comparison control circuit and power supply and signalling channel control circuit can carry out read-write operation, thereby can be beneficial to maintaining secrecy of hard disc data data.
For being implemented in above-mentioned purpose; the utility model provides a kind of data memory device with password read-write protection, comprising: power supply and the signalling channel control circuit that the password comparison control circuit of key-press module, electric connection key-press module, electric connection password are compared control circuit, the hard disk that reaches connection power supply and signalling channel control circuit.
Described data memory device with password read-write protection, wherein, this key-press module is for sending the encrypted message of user's input to the key-press module of password comparison control circuit.
Described data memory device with password read-write protection; wherein; have the password storage device that stores a preset password in the password comparison control circuit, and this password comparison control circuit is for comparing control circuit with the password that this preset password compares with the signal of the key-press module that receives.
Described data memory device with password read-write protection; wherein, password comparison control circuit is compared control circuit for the signal that transmits at key-press module sends the control signal that allows hard disk to carry out read-write operation when identical with preset password to the password of power supply and signalling channel control circuit.
Described data memory device with password read-write protection; do not send the control signal that allows hard disk to carry out read-write operation when wherein, password comparison control circuit is not inconsistent with preset password for the signal that transmits at key-press module and compare control circuit to the password of power supply and signalling channel control circuit.
The data memory device that the utlity model has the password read-write protection is analyzed the encrypted message of user's input by password comparison control circuit; when confirming that the input password is correct; order power supply and signalling channel control circuit control hard disk can carry out read-write operation; and when confirming that the input password is wrong; then hard disk can not carry out read-write operation, thereby can be beneficial to maintaining secrecy of hard disc data data.
In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.
Brief description of drawings
Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effects apparent by embodiment of the present utility model is described in detail.
In the accompanying drawing,
Fig. 1 is the synoptic diagram that the utlity model has the data memory device of password read-write protection.
Embodiment
For further setting forth the utility model is technological means and the effect that the predetermined purpose of realization is taked, see also following about detailed description of the present utility model and accompanying drawing, believe the purpose of this utility model, feature and characteristics, should obtain thus going deep into and concrete understanding, yet accompanying drawing only provides reference and explanation usefulness, is not to be used for the utility model is limited.
Consult Fig. 1, the data memory device that the utlity model has the password read-write protection comprises: power supply and the signalling channel control circuit 6 that the password comparison control circuit 4 of key-press module 2, electric connection key-press module 2, electric connection password are compared control circuit 4, the hard disk 8 that reaches connection power supply and signalling channel control circuit 6.
This key-press module 2 is used for carrying out the password input for the user, and it can send the encrypted message of user's input to password comparison control circuit 4.
The signal that password comparison control circuit 4 transmits according to key-press module 2 judges whether password is correct, The built-in has the password storage device to store a preset password, and it compares signal and this preset password that receives, if it is identical, then send to allow control signal that hard disk carries out read-write operation to power supply and signalling channel control circuit 6, make hard disk 8 can carry out read-write operation.If signal that receives and preset password are not inconsistent, then do not send and allow control signal that hard disk carries out read-write operation, thereby the control hard disk can not carry out read-write operation to power supply and signalling channel control circuit 6.
Above-mentioned key-press module 2, password comparison control circuit 4, power supply and signalling channel control circuit 6, and hard disk 8 all can adopt the prior art scheme; and the data memory device that the utlity model has the password read-write protection is characterised in that it is made up; encrypted message by 4 pairs of user's inputs of password comparison control circuit is analyzed; when confirming that the input password is correct; order power supply and signalling channel control circuit 6 control hard disks 8 can carry out read-write operation; and when confirming that the input password is wrong, then hard disk can not carry out read-write operation.Therefore, the data memory device that the utlity model has the password read-write protection can be beneficial to maintaining secrecy of hard disc data data.
The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection domain of the utility model accompanying Claim.
Claims (2)
1, a kind of data memory device with password read-write protection; it is characterized in that, comprising: power supply and the signalling channel control circuit that the password comparison control circuit of key-press module, electric connection key-press module, electric connection password are compared control circuit, the hard disk that reaches connection power supply and signalling channel control circuit.
2, the data memory device with password read-write protection as claimed in claim 1; it is characterized in that; have the password storage device that stores a preset password in the password comparison control circuit, and this password comparison control circuit is for comparing control circuit with the password that this preset password compares with the signal of the key-press module that receives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520118584 CN2869990Y (en) | 2005-09-22 | 2005-09-22 | Dats storing apparatus with cipher read-write protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520118584 CN2869990Y (en) | 2005-09-22 | 2005-09-22 | Dats storing apparatus with cipher read-write protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2869990Y true CN2869990Y (en) | 2007-02-14 |
Family
ID=37724929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520118584 Expired - Fee Related CN2869990Y (en) | 2005-09-22 | 2005-09-22 | Dats storing apparatus with cipher read-write protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2869990Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315674B (en) * | 2007-05-31 | 2010-11-03 | 深圳市江波龙电子有限公司 | Method for protecting and reading issued data of memory card |
| CN101320355B (en) * | 2007-06-04 | 2010-12-22 | 群联电子股份有限公司 | Memory device, storing card access apparatus and its read-write method |
| CN107566408A (en) * | 2017-10-20 | 2018-01-09 | 温州市捷点信息技术有限公司 | A kind of network safety system and method |
-
2005
- 2005-09-22 CN CN 200520118584 patent/CN2869990Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315674B (en) * | 2007-05-31 | 2010-11-03 | 深圳市江波龙电子有限公司 | Method for protecting and reading issued data of memory card |
| CN101320355B (en) * | 2007-06-04 | 2010-12-22 | 群联电子股份有限公司 | Memory device, storing card access apparatus and its read-write method |
| CN107566408A (en) * | 2017-10-20 | 2018-01-09 | 温州市捷点信息技术有限公司 | A kind of network safety system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070214 Termination date: 20130922 |