CN102855924A - Movable memory - Google Patents
Movable memory Download PDFInfo
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- CN102855924A CN102855924A CN2012103285174A CN201210328517A CN102855924A CN 102855924 A CN102855924 A CN 102855924A CN 2012103285174 A CN2012103285174 A CN 2012103285174A CN 201210328517 A CN201210328517 A CN 201210328517A CN 102855924 A CN102855924 A CN 102855924A
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Abstract
The present invention discloses an external memory, which comprises a memory unit for storing temporary data, wherein the temporary data immediately disappears if power-down is generated; an interface unit electrically connected with the memory unit, wherein the interface unit provides a connection channel of the movable memory and the outside; a control unit electrically connected with the memory unit and the interface unit, wherein the control unit controls the memory unit to perform read and write operations; a power supply unit electrically connected with the control unit, wherein the power supply unit provides electricity for the control unit; and a power supply switch electrically connected with the power supply unit, wherein the power supply switch controls power-on and power-down of the power supply unit. The external memory of the present invention has characteristics of rapid memory and access, high security performance, avoidance of loss caused by data leakage, and elimination of user worries.
Description
Technical field
The present invention relates to a kind of storer, particularly a kind of storage speed can cause the removable memory that data are revealed soon and not.
Background technology
In today that the PC technology is maked rapid progress, various new sciences and technologies, new technology constantly are used in the microelectronic, in order to allow computing machine give play to larger function, get up as the status of the storer of computer program and data storage carrier is more and more important.Storer can be divided into internal storage and external memory storage by its purposes, and as a rule, internal storage refers to the memory unit on the computer motherboard, and CPU is directly linked up with it, and reading speed is very fast, is used for storage program and data just in use.Internal storage only is used for temporarily depositing program and data, in case powered-down or cut off the power supply, program wherein and data will be lost.External memory storage is magnetic medium or CD normally, and as hard disk, floppy disk, tape, CD etc., they can not rely on electricity and long-term preservation information that is to say that data can not lost yet in the situation of power down.But because these storage mediums are to be driven by mechanical part, speed is just compared slowly manyly with internal storage.
At present people the most a kind of external memory storage of normal use be exactly USB flash disk, and the memory capacity of USB flash disk is now also towards increasing future development.But compare with internal storage, the storage speed of external memory storage will be relatively slowly many.Such as when the data of storing in USB flash disk surpass 1GB, often need to have expended the time of a few minutes, very inconvenient.Therefore little being easy to carry about with one of USB flash disk volume simultaneously also be very easy to lose or stolen, in case the people that the significant data of storing in the USB flash disk is had an ulterior motive utilizes, will cause huge loss to the litigant.And, even with the providing data formatting in the USB flash disk, also still can formatted information be recovered by special software, there is huge Potential danger.
Summary of the invention
The objective of the invention is provides a kind of fast response time and data to be difficult for stolen external memory storage in order to solve the defects of existing external memory storage existence.
For reaching above-mentioned purpose, the present invention proposes a kind of external memory storage, comprises internal storage location, is used for depositing ephemeral data, and this ephemeral data is in case immediately disappearance of outage; Interface unit is electrically connected with described internal storage location, and the interface channel of described removable memory with the external world is provided; Control module is electrically connected with described internal storage location and described interface unit, controls described internal storage location and carries out read-write operation; Power supply unit is electrically connected with described control module, to described control module power supply; Power switch is electrically connected with described power supply unit, controls the power on/off of described power supply unit.
A kind of external memory storage that the present invention proposes, wherein said internal storage location is a memory chip.
A kind of external memory storage that the present invention proposes, wherein said interface unit is any in USB interface, pci interface, SATA interface, the scsi interface.
A kind of external memory storage that the present invention proposes, wherein said control module is a microcomputer or single-chip microcomputer.
A kind of external memory storage that the present invention proposes, wherein said power supply unit is lithium battery.
A kind of external memory storage that the present invention proposes, wherein said control module also is preset with a power-off time, and after the power-on time of described power supply unit reached this default power-off time, described control module was controlled described power switch and is cut off power supply.
Compared with prior art, beneficial effect of the present invention is:
The present invention adopts internal storage location as memory bank, utilizes control module to control reading of internal storage location, makes read or write speed all reach higher level, has greatly improved storage efficiency.Simultaneously because internal storage location has outage is the characteristic of data zero clearing, when not needing to store data, only need the powered-down switch can eliminate data in the storer fully, safe and secret, make the user not have trouble and worry.
Description of drawings
Fig. 1 is structured flowchart of the present invention.
Description of reference numerals: 101-control module; The 102-internal storage location; The 103-interface unit; The 104-power supply unit; The 105-power switch.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not paying the every other embodiment that obtains under the creative work prerequisite.
As shown in Figure 1, a kind of external memory storage of the present invention comprises control module 101, internal storage location 102, interface unit 103, power supply unit 104 and power switch 105.Wherein internal storage location 102 is used for depositing interim data or program, this internal storage location 102 is storage spaces of control module 101 energy directly addresss, access speed is very fast, access time generally only needs 5ns between the 10ns at every turn, and this internal storage location 102 has the characteristic that the rear data of outage are namely lost simultaneously.
The present invention also comprises power supply unit 104 and power switch 105, and power supply unit 104 is connected with control module 101, provides working power to control module, and during enforcement, this power supply unit 104 can be selected lithium battery.Because the use pattern, actual power consumption of the present invention is little, in the situation of power supply unit 104 power supplies, but the present invention at least divorced from computer place a few hours and be unlikely to exhaust battery.Power switch 105 links to each other with this power supply unit 104, in order to control the power on/off of power switch.Because it is the characteristic of loss of data that storage unit of the present invention has outage, therefore when the present invention uses as the Portable movable storer, in needing the process of the transmission of data, keep power opening state, data waiting for transmission are kept on the storer of the present invention; After finishing data transfer task, as long as the powered-down switch can be removed the data in the storer, even use special-purpose recovery software these data can not be recovered, prevent from that content in the storer from being stolen to the litigant by others to cause unnecessary loss.When the present invention is placed in computer-internal as independent working document, can by control power switch removing work vestige, do not revealed to guarantee secret content yet.If the unfortunate virus that infected of this storer only needs a key powered-down to get final product killer program simultaneously, do not kill virus for a long time and need not re-use antivirus software, it is very convenient to use.In addition, the present invention can also be by arranging power-off time t to control module 101, after the "on" position of power supply unit 104 reached time t, control module 101 will order power switch 105 automatically to cut off power supply, guarantees to be unlikely to because data in the clear disk are forgotten in carelessness.
More than explanation is just illustrative for the purpose of the present invention, and nonrestrictive, those of ordinary skills understand; in the situation that does not break away from the spirit and scope that following claims limit, can make many modifications, change; or equivalence, but all will fall within the scope of protection of the present invention.
Claims (7)
1. an external memory storage is characterized in that, comprising:
Internal storage location is used for depositing ephemeral data, and this ephemeral data is in case immediately disappearance of outage;
Interface unit is electrically connected with described internal storage location, and the interface channel of described removable memory with the external world is provided;
Control module is electrically connected with described internal storage location and described interface unit, controls described internal storage location and carries out read-write operation;
Power supply unit is electrically connected with described control module, to described control module power supply;
Power switch is electrically connected with described power supply unit, controls the power on/off of described power supply unit.
2. a kind of external memory storage according to claim 1 is characterized in that, described internal storage location is a memory chip.
3. a kind of external memory storage according to claim 1 is characterized in that, described interface unit is any in USB interface, pci interface, SATA interface, the scsi interface.
4. a kind of external memory storage according to claim 1 is characterized in that, described control module is a microcomputer.
5. a kind of external memory storage according to claim 1 is characterized in that, described control module is a single-chip microcomputer.
6. a kind of external memory storage according to claim 1 is characterized in that, described power supply unit is lithium battery.
7. a kind of external memory storage according to claim 1, it is characterized in that, described control module also is preset with a power-off time, and after the power-on time of described power supply unit reached this default power-off time, described control module was controlled described power switch and cut off power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103285174A CN102855924A (en) | 2012-09-06 | 2012-09-06 | Movable memory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103285174A CN102855924A (en) | 2012-09-06 | 2012-09-06 | Movable memory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102855924A true CN102855924A (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103285174A Pending CN102855924A (en) | 2012-09-06 | 2012-09-06 | Movable memory |
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| CN (1) | CN102855924A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101034356A (en) * | 2006-12-29 | 2007-09-12 | 宜鼎国际股份有限公司 | Memory device |
| CN101615235A (en) * | 2009-08-04 | 2009-12-30 | 青岛海信智能商用设备有限公司 | A kind of self-destruction system for memory data |
| EP2267576A1 (en) * | 2006-08-03 | 2010-12-29 | Samsung Electronics Co., Ltd. | Interface card, network device having the same and control method thereof |
| CN102354514A (en) * | 2010-06-02 | 2012-02-15 | 株式会社理光 | Image processing apparatus |
-
2012
- 2012-09-06 CN CN2012103285174A patent/CN102855924A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2267576A1 (en) * | 2006-08-03 | 2010-12-29 | Samsung Electronics Co., Ltd. | Interface card, network device having the same and control method thereof |
| CN101034356A (en) * | 2006-12-29 | 2007-09-12 | 宜鼎国际股份有限公司 | Memory device |
| CN101615235A (en) * | 2009-08-04 | 2009-12-30 | 青岛海信智能商用设备有限公司 | A kind of self-destruction system for memory data |
| CN102354514A (en) * | 2010-06-02 | 2012-02-15 | 株式会社理光 | Image processing apparatus |
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Application publication date: 20130102 |