CN202257825U - Antitheft alarm device used for laptop - Google Patents
Antitheft alarm device used for laptop Download PDFInfo
- Publication number
- CN202257825U CN202257825U CN2011203711327U CN201120371132U CN202257825U CN 202257825 U CN202257825 U CN 202257825U CN 2011203711327 U CN2011203711327 U CN 2011203711327U CN 201120371132 U CN201120371132 U CN 201120371132U CN 202257825 U CN202257825 U CN 202257825U
- Authority
- CN
- China
- Prior art keywords
- usb
- alarm device
- notebook computer
- alarm
- laptop
- Prior art date
- 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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- Burglar Alarm Systems (AREA)
Abstract
The utility model provides an antitheft alarm device used for a laptop, comprising an alarm device host and a USB connection line, wherein the alarm device host is connected with one end of the USB connection line, the other end of the USB connection line is equipped with a USB connector, and further the USB connector is an A-type USB male connector. According to the technical scheme, the antitheft alarm device has the beneficial effects of preventing a laptop from being stolen and being capable of overcoming various methods of thieves, and the antitheft alarm device has the advantages of being simple in structure, convenient in maintenance, and low in machining cost, etc.
Description
Technical field
The utility model belongs to the alarm technical field, especially relates to the burglar alarm that a kind of notebook computer is used.
Background technology
Commodity anti-theft alarm on the market for the theft preventing method of notebook computer is, uses the sticking head of Switch to stick on the notebook computer, if move notebook computer, alarm sends the sound.This mode will be glued head for easily thief's chance and is taken, and replace with other article.Also having is exactly generally to be fixed with switch in the sticking head, increases components and parts, has also increased the probability of damage of product.
Summary of the invention
The problem that the utility model will solve provides a kind of burglar alarm, especially is fit to a kind of burglar alarm that notebook computer is used.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: the burglar alarm that a kind of notebook computer is used, comprise alarm main frame and USB connecting line, and said alarm main frame is connected with an end of USB connecting line; The said USB connecting line other end is equipped with the USB joint.
Further, said USB joint is the public head of A type USB.
Advantage and the good effect that the utlity model has are: owing to adopt technique scheme, can prevent that notebook computer from being stolen, overcome the stealer the whole bag of tricks, use convenient; Have simple in structure, easy to maintenance, advantage such as processing cost is low.
Description of drawings
Fig. 1 is the burglar alarm synoptic diagram that a kind of notebook computer of the utility model is used
Among the figure:
1, alarm main frame 2, USB connecting line 3, USB joint
4, notebook computer
Embodiment
As shown in Figure 1, the utility model is a kind of burglar alarm of notebook computer 4 usefulness, comprises alarm main frame 1 and USB connecting line 2, and said alarm main frame 1 is connected with an end of USB connecting line 2; Said USB connecting line 2 other ends are equipped with USB joint 3.Further, said USB joint 3 is the public head of A type USB.
The course of work of this instance: this alarm uses the USB interface of notebook computer 4 to detect.The USB interface of notebook computer 4 can be exported the signal of 5V/500mA; Therefore; Use USB connecting line 2, the USB interface of notebook computer 4 is connected with alarm main frame 1, whether alarm main frame 1 needs only detection and has or not the electric signal of 5V just can detect notebook computer 4 to be removed.
This alarm main frame 1 is connected through USB connecting line 2 with notebook computer 4, and explanation notebook computer 4 was not removed when alarm main frame 1 detected the electric signal that 5V is arranged, and did not send chimes of doom; Explanation notebook computer 4 had been removed when alarm main frame 1 detected less than the electric signal of 5V, sent chimes of doom, and expression notebook computer 4 has been stolen.
More than the embodiment of the utility model is specified, but said content is merely the preferred embodiment of the utility model, can not be considered to be used to limit the practical range of the utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the utility model.
Claims (2)
1. burglar alarm that notebook computer is used, it is characterized in that: comprise alarm main frame and USB connecting line, said alarm main frame is connected with an end of USB connecting line; The said USB connecting line other end is equipped with the USB joint.
2. the burglar alarm that a kind of notebook computer according to claim 1 is used is characterized in that: said USB joint is the public head of A type USB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203711327U CN202257825U (en) | 2011-09-30 | 2011-09-30 | Antitheft alarm device used for laptop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203711327U CN202257825U (en) | 2011-09-30 | 2011-09-30 | Antitheft alarm device used for laptop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202257825U true CN202257825U (en) | 2012-05-30 |
Family
ID=46119035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203711327U Expired - Fee Related CN202257825U (en) | 2011-09-30 | 2011-09-30 | Antitheft alarm device used for laptop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202257825U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106843546A (en) * | 2017-02-28 | 2017-06-13 | 思创医惠科技股份有限公司 | A kind of stylus anti-theft protection structure |
-
2011
- 2011-09-30 CN CN2011203711327U patent/CN202257825U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106843546A (en) * | 2017-02-28 | 2017-06-13 | 思创医惠科技股份有限公司 | A kind of stylus anti-theft protection structure |
| CN106843546B (en) * | 2017-02-28 | 2023-12-01 | 思创医惠科技股份有限公司 | Anti-theft protection structure of touch pen |
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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 |
Granted publication date: 20120530 Termination date: 20140930 |
|
| EXPY | Termination of patent right or utility model |