CN101349998A

CN101349998A - USB memory apparatus

Info

Publication number: CN101349998A
Application number: CNA2008101345155A
Authority: CN
Inventors: 杜桦葳
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-25
Filing date: 2008-07-25
Publication date: 2009-01-21

Abstract

The invention discloses a USB storage device, which comprises a display screen, press keys and the fingerprint identification function, and is provided with different partitions and authorities, wherein a user can operate on a memory directly to display or encrypt files. The partitions comprise a common area which can be seen by anybody, an encrypting area which only can be opened by a code, a short-acting area whose files inside can be automatically deleted when time expires or reaches certain replication frequency and a permanent area whose data inside can exist permanently and can not be modified. Different users only can examine and modify the files in corresponding partitions according to the authorities. The storage device of the invention enables the sharing and the transmission of the files to be convenient greatly.

Description

The USB memory device

Technical field

The present invention relates to a kind of USB memory device.

Background technology

Present memory device, the simple storage of data can only be entered, when people will use equipment to other people, will use a computer/PC (PC) did the Delete All processing with the confidential documents or the secret file of the inside storage, otherwise will cause the consequence of divulging a secret; If when being inconvenient to use PC, can not carry out any processing to the file in the storer; Under the situation of misoperation, also the significant data mistake may be deleted simultaneously, these all are the inconvenient situations that in use can produce.

Summary of the invention

The technical problem to be solved in the present invention

The technical problem to be solved in the present invention is to overcome existing memory device to divulge a secret easily and miss the deficiency of deleting file.

The technical solution adopted in the present invention

According to an aspect of the present invention, provide a kind of USB memory device, it comprises display screen and button and fingerprint recognition, and has different subregions and authority, and the user can directly operate on storer, file is shown or encrypt.

Preferably, described subregion has different ranks and function, and different users can only check, revise the file in the respective partition according to authority.

Preferably, described button is used to input the storage area of password or select File.

Preferably, described subregion comprises: general area, and it is anyone all visible zone; Encrypted area, it is the zone that must hold pin and just can open; Fugitive district, the file in it is deleted when the time expires or reach certain number of copy times automatically; And permanent district, the data in it can forever exist and can not change.

Preferably, when with described button input password or or when inserting computing machine through fingerprint recognition and with the USB memory device, this memory device can identify predefined password or the computing machine ISN through authorizing, described computing machine ISN is the exclusive identification data of each computing machine, allow the data that open file if judge, then can force to play the file that is present in the described permanent district, and the file in the described permanent district can carry out next step operation.

Preferably, open the USB memory device and need login name and password.

Preferably, each user is classified in one of them user's group in the user group with different access claim.

Beneficial effect of the present invention

The user can be directly by using the button on the USB memory device, input password or the file that directly uses the button selection on PC, to show, could not select the file that to see to friend, the so not only file that makes things convenient for but also can select at any time to share and do not need to go up the input password with different friends to PC.

After the user is imported into the file that will share with others in the USB memory device, after this document was duplicated once by others on PC or after a period of time, such as one day, one week, file will be deleted automatically, both increase the confidentiality of file, and made things convenient for the user to clear up the USB device of oneself again.

The unsuppressible-suppression that is used for depositing in the permanent storage area of USB device and the data of modification, can be used for like this depositing the information of some played file or user wish can permanent storage data, prevent malice or neglectful deletion and modification.

Description of drawings

Fig. 1 is the synoptic diagram according to USB memory device of the present invention;

Fig. 2 is the functional block diagram according to USB memory device of the present invention;

Fig. 3 is the function distinguishing Butut according to USB memory device of the present invention;

Fig. 4 is the operation exemplary block diagram according to USB memory device of the present invention;

Fig. 5 is the protected file synoptic diagram according to USB memory device of the present invention;

Fig. 6 deletes synoptic diagram automatically according to the file of USB memory device of the present invention;

Fig. 7 is the automatic play area synoptic diagram according to USB memory device of the present invention.

Embodiment

USB memory device 1 according to the present invention comprises display screen 2 and button 3.

In embodiment illustrated in fig. 2, import password or insert PC through fingerprint recognition and with USB storage when the user uses the button on the USB storage, this storer just can identify predefined password and the PC ISN (being the exclusive identification data of each PC) through authorizing.Allow the data that open file through judging, the file that is present in the permanent area can be forced to play, and the user can carry out next step operation to file data, as preview, editor, revise, duplicate, move, delete ...

In Fig. 3, according to USB memory device password identification of the present invention, private data zone, common data zone.

In the embodiment shown in fig. 4, the user selects a certain file data, and it is carried out encryption.Behind the input password, identification and authentication, after checking, then can be on PC, select File is operated on the USB storage of band display screen and button or above other the USB device.Otherwise will return, require again authentication password and user identity.

The content of operation that shows on the USB memory device USB display screen of the present invention is the same with other display; the user can pass through in conjunction with button; file in the different cut zone and file are operated; show and the revised file attribute, with file data storing in shielded private partition or public domain.Archives are in public cut zone, also can be set to tangible or invisible, according to some optionally method control knob or other input equipment.The user can use button that the specific file in the file is added mark, show or hide file, revised file attribute, protected file or file carried out release.As Fig. 5, the file of black region frame choosing utilizes scroll button to select, be made as protected file exactly.This document is shielded, not reproducible and rewriting.

In the embodiment shown in fig. 6, file can be deleted automatically.When file is stored in the zone of a certain special division of USB storage, can with file default be certain effective time limit.For example, the effective time limit of these files can be made as one day.After one day, storer will be deleted this document automatically.This has not only strengthened the safety of data, and helps the user to clear up USB reservoir internal memory, to improve the effective rate of utilization in space.

USB memory device automatic playing function of the present invention zone is present in the permanent area in Fig. 7.

USB memory device of the present invention user management is as described below:

The user opens USB storage needs a login name and password.Can be divided into the group of several different stages according to access rights, each user is referred in the group of a corresponding function.The keeper is the user of highest level, can be newly-built, revise or the deletion user.Administrator just specifies will be inputed password, just can operate the All Files data in the USB storage.Below be Admin Administration user and account's function declaration:

1) newly-built user

For example: add a new user

Selection belongs to user's group of certain authority

The group management

Password is XXXX

Home directory

Create master catalogue

Create user name

2) revise user right

For example: the active user is added in the group of a certain authority and go

3) deletion user

For example: deletion user and master catalogue thereof

4) setting/change user's password

For example:

The active user can revise password, the account number of oneself.The Admin Account can revise other user's password.The password that password is encrypted file for each user.

Be stored in a kind of form that the group user information in certain file is just encrypted.It may comprise:

Group name claims

Group password (almost not used)

The ID of group

User's name (every comma)

5) switch the user, the most frequently used be transformed into the Admin Account.

6) group user management.Promptly one group of special operation user as user's group of manager or accountant's establishment, has only this user to organize the file data that can visit this group folders stored.

Account management mechanism is to be used for controlling the USB reservoir, to allow or refusal is taken the family.The protection private data does not have authorized user to have no right to check and revise.

Subscriber Management System allows the system manager that difference is made rationalization partition by level-right user and file data, and distributes dissimilar users, user's group or group user can view corresponding file data.Not in authority with interior user, can not check, the xcopy content, reach classified document, prevent the purpose that file is stolen.

Claims

1. a USB memory device is characterized in that comprising display screen and button, and has different subregions and authority, and the user can directly operate on storer, file is shown or encrypt.

2. USB memory device according to claim 1 is characterized in that described subregion has different ranks and function, and different users can only check, revise the file in the respective partition according to authority.

3. USB memory device according to claim 1 is characterized in that described button is used to input the storage area of password or select File.

4. USB memory device according to claim 1 is characterized in that described subregion comprises: general area, and it is anyone all visible zone; Encrypted area, it is the zone that must hold pin and just can open; Fugitive district, the file in it is deleted when the time expires or reach certain number of copy times automatically; And permanent district, the data in it can forever exist and can not change.

5. USB memory device according to claim 4, it is characterized in that when inserting computing machine with described button input password or through fingerprint recognition and with the USB memory device, this memory device can identify predefined password or the computing machine ISN through authorizing, described computing machine ISN is the exclusive identification data of each computing machine, allow the data that open file if judge, then can force to play the file that is present in the described permanent district, and the file in the described permanent district can carry out next step operation.

6. USB memory device according to claim 1 is characterized in that opening the USB memory device and needs login name and password.

7. USB memory device according to claim 1 is characterized in that each user is classified in one of them user's group in the user group with different access claim.