CN204731955U - Forget and extract warning USB flash disk - Google Patents
Forget and extract warning USB flash disk Download PDFInfo
- Publication number
- CN204731955U CN204731955U CN201520451402.3U CN201520451402U CN204731955U CN 204731955 U CN204731955 U CN 204731955U CN 201520451402 U CN201520451402 U CN 201520451402U CN 204731955 U CN204731955 U CN 204731955U
- Authority
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- China
- Prior art keywords
- flash disk
- usb flash
- infrared ray
- warning
- forget
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses one to forget and extract warning USB flash disk, this USB flash disk is provided with infrared ray sensor, warning circuit and sensitivity controller, described infrared ray sensor is enclosed with heat-barrier material by USB interface side, described sensitivity controller regulates the sensitivity of infrared ray sensor, and described warning circuit comprises LED and acoustical generator.Thisly forget that extracting warning USB flash disk uses USB interface power supply, utilizes the infrared ray of infrared detection human body radiation, sends light or audible alarm when the infrared ray significant change of human body radiation after connecting computer.This forgets that the infrared detector extracting warning USB flash disk is namely provided with heat-barrier material towards computer side in USB interface, and the infrared ray intercepting computer radiate prevents wrong report.
Description
Technical field
The utility model belongs to a kind of USB flash disk, is specially to forget and extract warning USB flash disk.
Background technology
USB flash disk, full name USB flash memory driver, English name " USB flash disk ".It is a kind of miniature high power capacity mobile storage product without the need to phisical drive using USB interface, is connected, realizes plug and play by USB interface with computer.The address of USB flash disk derives from the novel memory device of one of Netac's science and technology production the earliest, and name is said " flash disk ", uses USB interface to connect.After USB flash disk is connected to the USB interface of computer, the data of USB flash disk can exchange with computer.And the equipment of the similar techniques of producing afterwards is renamed as homophonic " USB flash disk " by " flash disk ".Afterwards, thus this address of USB flash disk was widely known by the people because it is simply easy to remember, was one of movable storage device.
USB flash disk compact, very easy to use, but also forget after a procedure take away and the thing of losing usually occurs because its portable feature result in, not only have lost practical article, also likely reveal the important information of individual.
Utility model content
The purpose of this utility model is: provide one to forget and extract warning USB flash disk.
In order to achieve the above object, the technical scheme adopted is:
One is forgotten and is extracted warning USB flash disk, this USB flash disk is provided with infrared ray sensor, warning circuit and sensitivity controller, described infrared ray sensor is enclosed with heat-barrier material by USB interface side, described sensitivity controller regulates the sensitivity of infrared ray sensor, and described warning circuit comprises LED and acoustical generator.
Described infrared ray sensor, warning circuit and sensitivity controller all adopt USB interface to power.
Described sensitivity controller is an adjustable resistance.
The beneficial effect of technique scheme is adopted to be: thisly to forget that extracting warning USB flash disk uses USB interface power supply, utilizes the infrared ray of infrared detection human body radiation, sends light or audible alarm when the infrared ray significant change of human body radiation after connecting computer.This forgets that the infrared detector extracting warning USB flash disk is namely provided with heat-barrier material towards computer side in USB interface, and the infrared ray intercepting computer radiate prevents wrong report.
Accompanying drawing explanation
Fig. 1 is that the utility model forgets the circuit theory diagrams extracting warning USB flash disk.
Embodiment
Below in conjunction with drawings and Examples, the utility model is explained.
The utility model is set forth further below in conjunction with specific embodiment or accompanying drawing, but not as the restriction foundation of protection domain; Any improvement project in the utility model right, all should be considered as protection domain of the present utility model.
As Fig. 1, one is forgotten and is extracted warning USB flash disk, and this USB flash disk surface is provided with human body detection sensor, and USB flash disk inside is provided with warning circuit.Described human body detection sensor is the infrared-ray detecting element of a tuned sensitivities.LED and hummer is comprised in described warning circuit.Described human body detection sensor and warning circuit use the USB interface Power supply of USB flash disk.
Wherein U1 is infrared-ray detecting element, the infrared ray of human body radiation or reflection can be converted to electric signal through R1 and C1, then be transported to warning device by triode amplifier.
Described human body detection sensor outward local is enclosed with heat-barrier material, makes detectable region towards the direction away from USB interface.
Claims (3)
1. forget and extract warning USB flash disk for one kind, it is characterized in that: this USB flash disk is provided with infrared ray sensor, warning circuit and sensitivity controller, described infrared ray sensor is enclosed with heat-barrier material by USB interface side, described sensitivity controller regulates the sensitivity of infrared ray sensor, and described warning circuit comprises LED and acoustical generator.
2. according to claim 1 forget extract warning USB flash disk, it is characterized in that: described infrared ray sensor, warning circuit and sensitivity controller all adopt USB interface to power.
3. according to claim 1 forget extract warning USB flash disk, it is characterized in that: described sensitivity controller is an adjustable resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520451402.3U CN204731955U (en) | 2015-06-29 | 2015-06-29 | Forget and extract warning USB flash disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520451402.3U CN204731955U (en) | 2015-06-29 | 2015-06-29 | Forget and extract warning USB flash disk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204731955U true CN204731955U (en) | 2015-10-28 |
Family
ID=54390290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520451402.3U Expired - Fee Related CN204731955U (en) | 2015-06-29 | 2015-06-29 | Forget and extract warning USB flash disk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204731955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106971221A (en) * | 2017-02-24 | 2017-07-21 | 武汉蛋玩科技有限公司 | One kind warning USB flash disk |
-
2015
- 2015-06-29 CN CN201520451402.3U patent/CN204731955U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106971221A (en) * | 2017-02-24 | 2017-07-21 | 武汉蛋玩科技有限公司 | One kind warning USB flash disk |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20160629 |