CN101290528A - Anti-theft device for electronic machine - Google Patents
Anti-theft device for electronic machine Download PDFInfo
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- CN101290528A CN101290528A CNA2007100970296A CN200710097029A CN101290528A CN 101290528 A CN101290528 A CN 101290528A CN A2007100970296 A CNA2007100970296 A CN A2007100970296A CN 200710097029 A CN200710097029 A CN 200710097029A CN 101290528 A CN101290528 A CN 101290528A
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- theft device
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- theft
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Abstract
The present invention relates to an antitheft device for an electronic machine. The device is internally arranged in the electronic machine with a communication interface, wherein the communication interface is electrically connected with one end of a communication cable line, and the other end of the communication cable line is electrically connected with a communication interface of a communication device. The antitheft device comprises a detecting unit, a controller and an alarm element. The detecting unit is connected with the communication interface through the communication cable line for detecting whether the communication interface has a communication signal. If a no communication signal state is detected, a trigger signal is outputted, wherein the communication signal is outputted by the communication device. The controller is connected with the detecting unit and receives the trigger signal for controlling the action of the cautioning element. Accordingly, the device arranges the antitheft function to the electronic machine under the condition that the device satisfies the requirements of convenient use for users.
Description
Technical field
The present invention relates to anti-theft device, particularly be used for the anti-theft device of e-machine.
Background technology
Known portable electronic machine (for example notebook computer) is easy to carry because of bragging about, and can satisfy user's needs, thereby becomes common practise.Yet portable electronic machine suffers that easily its people stealing of malice takes away, and therefore, the user must be careful portable electronic machine always, and is stolen to prevent, so, increased user's mental burden virtually.
The Theft-proof power supply device that No. the 094203560th, the Taiwan patent application case, disclosed a kind of Theft-proof power supply supply, comprise power supply device and switching device, wherein, power supply device is provided with shell, on shell, be provided with alternating current input socket and direct current output plug, between alternating current input socket and direct current output plug, have rectification circuit, mu balanced circuit, accumulator and circuit for alarming; Wherein, circuit for alarming includes: warning horn; Two groups of outage detection devices, whether wherein one group is connected with rectification circuit, interrupt in order to detect alternating current input power supplying, and another group then is connected with the USB joint; Or door, its input end is connected with the output terminal of two groups of outage detection devices, and its output terminal is connected with warning horn; With door, its input end also is connected with the output terminal of two groups of outage detection devices, and its output terminal is connected with warning horn; Utilize above-mentioned circuit for alarming design, when alternating current input power supplying or the disappearance of USB joint power supply, promptly start warning horn.
Prior art in the patented claim of above-mentioned Taiwan must cooperate specific power supply device, so the competence exertion anti-theft feature.Moreover usually, the overall volume of power supply device is still too huge, and its Portability is inconvenience very, tends to cause the user to be unwilling to carry this power supply device when going out, and so then can't bring into play its anti-theft feature.
The present inventor can take making things convenient under the user demand of user into account because the deficiency of above-mentioned known technology proposes a kind of anti-theft device that is used for e-machine, allows e-machine increase anti-theft feature.
Summary of the invention
The object of the present invention is to provide a kind of anti-theft device that is used for e-machine, frighten and stop the behavior of stealer pilferage e-machine.
For reaching the above-mentioned purpose of the present invention, the invention provides a kind of anti-theft device that is used for e-machine, be built in e-machine with communication interface, wherein, communication interface is electrically connected at an end of Capacitance Unbalance in Telecom Cables, and the other end of Capacitance Unbalance in Telecom Cables is electrically connected at the communication interface of communication facilities, and anti-theft device comprises: detecting unit, controller and caution element.Detecting unit is connected in communication interface by Capacitance Unbalance in Telecom Cables, and is used for detecting communication interface and whether has signal of communication, is no signal of communication state if detect, and then exports trigger pip, and wherein, signal of communication is exported by communication facilities.Controller is connected in detecting unit, receives trigger pip, to be used for controlling the action of caution element.
According to described anti-theft device, this communication interface is a network interface.
According to described anti-theft device, this network interface is the RJ45 network interface.
According to described anti-theft device, this network interface is a fiber optic network interface.
The present invention also provides a kind of anti-theft device that is used for e-machine, is built in the e-machine, and this anti-theft device comprises: power interface is connected to this power interface and supply socket by an AC power cord; Whether detecting unit exists supply voltage in order to detect this power interface, if detect to the non-transformer voltage status, then exports trigger pip; Controller is connected in this detecting unit, and it receives this trigger pip, with the action of control caution element.
According to described anti-theft device, this anti-theft device also comprises the caution element.
According to described anti-theft device, this caution element is loudspeaker.
According to described anti-theft device, this caution element is a light emitting diode.
According to described anti-theft device, this detecting unit, this controller and this caution element electrically connect with power supply respectively.
According to described anti-theft device, this e-machine is a notebook computer.
According to described anti-theft device, this anti-theft device comprises that also antitheft setting starts module, and this antitheft setting starts module and is connected in this controller, in order to start or to remove antitheft setting.
According to described anti-theft device, it is at least more than one keyswitch that this antitheft setting starts module.
According to described anti-theft device, it is the key lock switch that this antitheft setting starts module.
From technique scheme as can be seen, a kind of anti-theft device that is used for e-machine that the present invention proposes can allow e-machine increase anti-theft feature taking the making things convenient under the user demand of user into account.
For making those skilled in the art understand purpose of the present invention, feature and beneficial effect, now by following specific embodiment, and conjunction with figs., the present invention is illustrated in detail, illustrate as the back:
Description of drawings
Fig. 1 show the present invention be used for e-machine anti-theft device manipulate synoptic diagram;
Fig. 2 shows that the present invention is used for the circuit structure diagram of the anti-theft device of e-machine;
Fig. 3 shows the circuit-line synoptic diagram according to the anti-theft device of the concrete enforcement of the present invention spirit institute;
Fig. 4 shows the varying circuit conspectus according to the anti-theft device of the concrete enforcement of the present invention spirit institute;
Fig. 5 shows the circuit structure diagram according to another variation of the anti-theft device of the concrete enforcement of the present invention spirit institute;
Fig. 6 shows that the present invention has additional the circuit structure diagram that antitheft setting starts the anti-theft device of module;
Fig. 7 A shows that the antitheft setting of Fig. 6 of the present invention starts the specific embodiment of module;
Fig. 7 B shows that the antitheft setting of Fig. 6 of the present invention starts another specific embodiment of module.
Wherein, description of reference numerals is as follows:
1 e-machine
The 1a communication interface
The 1b power interface
3 anti-theft devices
31 detecting units
The 31a trigger pip
33 controllers
35 caution elements
37 antitheft settings start module
4 Capacitance Unbalance in Telecom Cables
The 4a plug end
The 4b plug end
5 communication facilitiess
The 5a communication interface
The 5b trigger pip
The 5c trigger pip
Embodiment
Fig. 1 show the present invention be used for e-machine anti-theft device manipulate synoptic diagram, and Fig. 2 shows that the present invention is used for the circuit structure diagram of the anti-theft device of e-machine.The e-machine 1 of using anti-theft device 3 of the present invention for example can be a notebook computer, and e-machine 1 is to be built-in with communication interface 1a, for example is RJ45 network interface, fiber optic network interface etc.Certainly, the e-machine 1 of using anti-theft device 3 of the present invention is not limitation with the notebook computer, and simultaneously, communication interface 1a is not a limitation with RJ45 network interface and fiber optic network interface also.
Fig. 3 shows the circuit-line synoptic diagram according to the anti-theft device of the concrete enforcement of the present invention spirit institute.Anti-theft device 3 of the present invention comprises: detecting unit 31, controller 33 and caution element 35 now are described as follows.The input end of detecting unit 31 is connected in communication interface 1a by Capacitance Unbalance in Telecom Cables 4, and is used for detecting communication interface 1a and whether has signal of communication 5b, is no signal of communication state if detect, and then exports trigger pip 31a.Above-mentioned signal of communication 5b is exported by communication facilities 5.Now hold explanation as the concrete enforcement example of anti-theft device 3 of the present invention with Ethernet, see also Fig. 3, detecting unit 31 is a voltage comparator circuit, whether is used for comparison signal of communication 5c greater than threshold voltage, if true (True) then do not export trigger pip 31a; If (Fault) then do not export trigger pip 31a.Above-mentioned signal of communication 5b can be automatic communication (AN-Auto Negotiation) signal or address resolution protocol (the ARP-Address Resolution Protocol) signal of Ethernet, and above-mentioned signal of communication 5c is corresponding to signal of communication 5b.
When trigger pip 31a produced, one of them that promptly representing the plug end 4a of Capacitance Unbalance in Telecom Cables 4 and plug end 4b this moment pulled away out the communication interface 1a and the communication interface 5a of corresponding one of them.For example, stealer will be plugged in the Capacitance Unbalance in Telecom Cables 4 of the communication interface 1a of e-machine 1, and unplug plug end 4a so that take e-machine 1 away, and at this moment, anti-theft device 3 of the present invention moves caution immediately, and for example loudspeaker send the powerful sound or true man's voice.
Fig. 4 shows the circuit-line synoptic diagram according to the another kind variation of the concrete anti-theft device of implementing of the present invention spirit institute.Because the built-in communication interface 1a of e-machine 1 adopts fiber optic network interface, 31 of the detecting units of anti-theft device 3 of the present invention become and are the optically-coupled detecting unit.The concrete means of optically-coupled detecting unit 31 of the present invention then can directly utilize related art to be realized.
Above-mentioned communication facilities 5 refers to the communication facilities 5 built up in any one place cloth, places such as office, factory, laboratory for example, and communication facilities 5 for example can be Ethernet communication facilities, fiber optic network communication facilities etc.Communication interface 5a for example is an Ethernet socket that is arranged on the wall of laboratory.
Fig. 5 shows the circuit structure diagram according to another variation of the anti-theft device of the concrete enforcement of the present invention spirit institute.Power interface 1b is built in e-machine 1, the two ends that do not show by an AC power line chart (for example are connected to power interface 1b and supply socket, exchange the 110V supply socket), voltage detection unit 31 is used for detecting power interface 1b and whether has supply voltage, if detect to the non-transformer voltage status, then export trigger pip 31a.The concrete means of voltage detection unit 31 of the present invention then can directly utilize related art to be realized.
Moreover the standby power supply 10 of e-machine 1 (Standby Power) can be supplied to anti-theft device 3, so words, even at e-machine 1 under off-mode, anti-theft device 3 still possesses antitheft effect.
Moreover anti-theft device 3 employed power supplys 10 can adopt the power source special that is independent of e-machine 1 power supply, and these power supply 10 its concrete forms that are exclusively used in anti-theft device 3 can be batteries, or are difficult for disassembling internal battery separately from e-machine 1.
Fig. 6 shows that the present invention has additional the circuit structure diagram that antitheft setting starts the anti-theft device of module.The present invention can further be provided with an antitheft setting and start module 37, and it is connected in controller 33, and the major function that antitheft setting starts module 37 is to be used for starting or removing antitheft setting.See also Fig. 7 A, the specific embodiment that antitheft setting starts module 37 can also adopt more than one at least keyswitch, for example is the built-in keybad of notebook computer 1, and controller 33 can receive the signal of these keyswitches 37, according to these signals, start or remove antitheft setting.
Or, see also Fig. 7 B, the specific embodiment that antitheft setting starts module 37 can also adopt a key lock switch, controller 33 can receive the signal of key lock switch 37, on foundation lock signal or non-on lock signal, start or remove antitheft setting.
Though the present invention discloses as above with preferred embodiment, right its is not in order to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention, when doing a little change and retouching, the change of doing still belongs in the appended scope that claim comprised of the present invention with retouching.
Claims (13)
1, a kind of anti-theft device that is used for e-machine, be built in the e-machine with communication interface, it is characterized in that, this communication interface is electrically connected at an end of Capacitance Unbalance in Telecom Cables, and the other end of this Capacitance Unbalance in Telecom Cables is electrically connected at the communication interface of communication facilities, and this anti-theft device comprises:
Detecting unit is connected in this communication interface by this Capacitance Unbalance in Telecom Cables, whether has signal of communication in order to detect this communication interface, if detect to no signal of communication state, then exports trigger pip, and wherein, this signal of communication is exported by this communication facilities;
Controller is connected in this detecting unit, and it receives this trigger pip, with the action of control caution element.
2, anti-theft device according to claim 1 is characterized in that, this communication interface is a network interface.
3, anti-theft device according to claim 2 is characterized in that, this network interface is the RJ45 network interface.
4, anti-theft device according to claim 2 is characterized in that, this network interface is a fiber optic network interface.
5, a kind of anti-theft device that is used for e-machine is built in the e-machine, it is characterized in that, this anti-theft device comprises:
Power interface is connected to this power interface and supply socket by an AC power cord;
Whether detecting unit exists supply voltage in order to detect this power interface, if detect to the non-transformer voltage status, then exports trigger pip;
Controller is connected in this detecting unit, and it receives this trigger pip, with the action of control caution element.
6, according to claim 1 or 5 arbitrary described anti-theft devices, it is characterized in that this anti-theft device also comprises the caution element.
7, anti-theft device according to claim 6 is characterized in that, this caution element is loudspeaker.
8, anti-theft device according to claim 6 is characterized in that, this caution element is a light emitting diode.
According to claim 1 or 5 arbitrary described anti-theft devices, it is characterized in that 9, this detecting unit, this controller and this caution element electrically connect with power supply respectively.
10, according to claim 1 or 5 arbitrary described anti-theft devices, it is characterized in that this e-machine is a notebook computer.
According to claim 1 or 5 arbitrary described anti-theft devices, it is characterized in that 11, this anti-theft device comprises that also antitheft setting starts module, this antitheft setting starts module and is connected in this controller, in order to start or to remove antitheft setting.
12, anti-theft device according to claim 11 is characterized in that, it is at least more than one keyswitch that this antitheft setting starts module.
13, anti-theft device according to claim 11 is characterized in that, it is the key lock switch that this antitheft setting starts module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100970296A CN101290528A (en) | 2007-04-17 | 2007-04-17 | Anti-theft device for electronic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100970296A CN101290528A (en) | 2007-04-17 | 2007-04-17 | Anti-theft device for electronic machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101290528A true CN101290528A (en) | 2008-10-22 |
Family
ID=40034817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100970296A Pending CN101290528A (en) | 2007-04-17 | 2007-04-17 | Anti-theft device for electronic machine |
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| Country | Link |
|---|---|
| CN (1) | CN101290528A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113435130A (en) * | 2021-08-27 | 2021-09-24 | 中兴通讯股份有限公司 | Equipment control method and device, electronic equipment and storage medium |
-
2007
- 2007-04-17 CN CNA2007100970296A patent/CN101290528A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113435130A (en) * | 2021-08-27 | 2021-09-24 | 中兴通讯股份有限公司 | Equipment control method and device, electronic equipment and storage medium |
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Open date: 20081022 |