CN203204632U - Electronic product and electronic unlocking rod for the same - Google Patents
Electronic product and electronic unlocking rod for the same Download PDFInfo
- Publication number
- CN203204632U CN203204632U CN 201220477541 CN201220477541U CN203204632U CN 203204632 U CN203204632 U CN 203204632U CN 201220477541 CN201220477541 CN 201220477541 CN 201220477541 U CN201220477541 U CN 201220477541U CN 203204632 U CN203204632 U CN 203204632U
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- electronic product
- electronic
- plug
- utility
- circuit
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Abstract
The utility model relates to an electronic product with an external jack, and particularly to an unlocking rod which is used for detecting voltage combination in the jack. The utility model also relates to an electronic product with the unlocking rod. The electronic unlocking rod for the electronic product provided by the utility model comprises the following components: a DC power supply, a grounding end, a circuit which is composed of one resistor or more than two resistors, and a plug which is provided with a plurality of circuit interfaces for connecting with the circuit. The electronic product provided by the utility model comprises the following components: display equipment, input equipment, output equipment and processing equipment, wherein the output equipment is provided with the external jack and further comprises the electronic unlocking rod for the electronic product. Furthermore the output equipment is provided with a detecting circuit. The electronic product provided by the utility model has the following advantages: simple design, low use cost, capability of realizing high safety and high privacy of important information of the electronic product simply and conveniently, etc.
Description
Technical field
The utility model relates to a kind of electronic product with outer jointing holes, and particularly for detection of the release rod of voltage combination in the outer jointing holes, the utility model also relates to the electronic product with this release rod.
Background technology
Fast development along with computer technology, the communication technology and derived product thereof, electronic products such as personal desktop computer, panel computer, notebook and portable terminal gradually become irreplaceable requirement in people's life, the work, huge data information memory at electronic product in electronic product, these data comprise that part relates to important security information and individual privacy information, therefore, the common need to be keep secret of this type of information.The electronic product of prior art will adopt and password is set or adopt key, the latch fitting of data line interface, USB interface plug to protect canned data and function.
If the electronic product of prior art is provided with startup password, after when electronic product is started shooting, passing through so to import password authentification, carry out follow-up operations.Though the security that the electronic product of prior art adopts password to protect the method for relevant information to improve electronic product adopts software protection obviously too loaded down with trivial details.
Certainly also have the electronic product of prior art to realize defencive function by the hardware lockset of special use, electronic product commonly used arranges parts such as special-purpose lockhole, lock tube and tapered end.Be in the open source literature of CN101131059 just like patent publication No. also, put down in writing a kind of computer lockset device of special use, utilize the lock core rod of rotational lock head unit, finish the operation of locking with release, comparatively convenient in the use.This type of hardware lockset need have certain cost, and high its cost of hardware lockset of some designing requirements is not low yet.
Yet when not being high information but need to be keep secret for security requirements, in other words not all people all need high security secret means, separate lock means, adopt software protection to cause to use inconvenient, adopt special-purpose lock device cost too high.
Summary of the invention
In view of this, in order to solve the deficiencies in the prior art, it is a kind of by detecting the electronic product of change in voltage combination unlatching safety lock in the outer jointing holes that the utility model provides.Can when guaranteeing the electronic product security, realize the release of electronic product simply.
So the technical solution of the utility model is such:
The utility model provides a kind of electronic unlock rod for electronic product, comprises a direct current supply voltage, an earth terminal, one circuit by a resistance or two above resistance series connection, and a plug, have several circuit interfaces on the described plug, be used for connecting described circuit.
Preferably, described plug is headset plug;
Preferably, described plug is USB plug;
Preferably, described plug is the data line plug.
The utility model also provides a kind of electronic product, comprise display device, input equipment, output device and treatment facility, wherein output device has outer jointing holes, also comprise the electronic unlock rod for electronic product described above, and described output device has a circuit for detecting.
Preferably, described outer jointing holes is the jack corresponding with described headset plug;
Preferably, the described outer jointing holes jack that is described USB plug correspondence;
Preferably, described outer jointing holes is the jack of described data line plug correspondence.
The utility model has the advantages that simplicity of design, use cost is cheap, by taking good care of special-purpose release rod, just can realize guaranteeing security and the privacy of electronic product important information more simply and easily.
Description of drawings
Fig. 1 is the outer jointing holes internal circuit schematic diagram of electronic product;
Fig. 2 is electronic product external plug structural representation;
Fig. 3 is the inner circuit for detecting synoptic diagram of electronic product;
Fig. 4 is release stick circuit synoptic diagram.
Embodiment
In order to make those skilled in the art to the technical solution of the utility model better understanding be arranged, be embodiment below in conjunction with accompanying drawing and preferred earphone interface of mobile phone, the technical solution of the utility model is described in detail.
As shown in Figure 1: be the earphone jack of electronic product, when not inserting the release rod of headset plug, L end 101 is not communicated with L end 102, but after inserting the release rod, L end 101 is communicated with L end 102, after the connection, because earphone or release rod have specific resistance, can with carry out dividing potential drop with R1 after R2 is in parallel, detect the R1 both end voltage after the dividing potential drop, voltage as R1 is consistent with our predeterminated voltage, then allows the mobile phone operation of starting shooting, and has so just realized locking to mobile phone at hardware.Because only carrying out single specific voltage with earphone conducts the locking operations, security performance reduces relatively, therefore can use independent release rod, the release rod can realize producing continuously a plurality of variable resistance, successively produce according to specific order, along with release rod changes in resistance, the voltage dividing potential drop at R1 two ends also changes thereupon, and two test leads of T1 and T2 just can detect 2 change in voltage.Have only after detecting this particular combination, just allow start, so just improved the security of electronic product greatly.
As shown in Figure 2: the headset plug of general electronic products comprises L channel interface 001, earphone R channel interface 002, ear microphone interface 003, earphone interface of the ground wire 000, and L channel interface 001 is used for plug and detects.
In the inner circuit for detecting synoptic diagram of Fig. 3 mobile phone, set three voltage comparators 207,208,209 and drawn three output terminals 202,204,206 respectively, output terminal 202,204,206 magnitude of voltage since the different resistance R 3 of having connected in the circuit for detecting, R4, R5 can set.Three voltage comparators 207,208,209 are also drawn three input ends 201,203,205 respectively, output terminal 201,203,205 magnitude of voltage since the different resistance R 13 of having connected in the release rod, R14, R15 set with the magnitude of voltage correspondent equal of above-mentioned circuit for detecting.
In Fig. 4 release stick circuit synoptic diagram, 200 pin are grounding leg.The output terminal 202,204,206 of release rod produces a voltage respectively, after the release rod inserts the handset earphone jack, voltage is imported on the inner circuit for detecting of earphone shown in Figure 3 by earphone jack, when input end 201 and 202,203 with output terminal 204,205 when 206 voltage equates respectively, voltage matches is finished, and then allows the mobile phone release.
The utility model also provides the mobile phone with release rod of above mentioning.Comprise display device, input equipment, output device and treatment facility, wherein output device has outer jointing holes, also comprise the electronic unlock rod for electronic product described above, and described output device has a circuit for detecting.
More than having enumerated the headset plug release rod that has earphone jack on the mobile phone, can certainly be the USB plug release rod that has the USB jack on the mobile phone, and other has the release rod of the data line jack, plug of data transmission.
Except above release rod applies to mobile phone, can also use on PC, panel computer and the notebook computer etc.
Above-mentioned is preferred embodiment of the present utility model, is not the utility model is done any pro forma restriction.Though the utility model discloses as above with preferred embodiment, yet is not in order to limit the utility model.Any those of ordinary skill in the art, under the situation that does not break away from the technical solutions of the utility model scope, all can utilize the technology contents of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solutions of the utility model, all should drop in the scope of technical solutions of the utility model protection any simple modification, equivalent variations and modification that above embodiment does according to the utility model technical spirit.
Claims (4)
1. an electronic unlock rod that is used for electronic product is characterized in that: comprise a direct current supply voltage, an earth terminal, one circuit by a resistance or two above resistance series connection, and a plug, have several circuit interfaces on the described plug, be used for connecting described circuit.
2. a kind of electronic unlock rod for electronic product according to claim 1, it is characterized in that: described plug is headset plug, USB plug or data line plug.
3. electronic product, comprise display device, input equipment, output device and treatment facility, wherein output device has outer jointing holes, it is characterized in that: also comprise the described electronic unlock rod for electronic product of claim 1, and described output device has a circuit for detecting.
4. as a kind of electronic product as described in the claim 3, it is characterized in that: described outer jointing holes is the jack corresponding with headset plug as claimed in claim 2, USB plug or data line plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220477541 CN203204632U (en) | 2012-09-19 | 2012-09-19 | Electronic product and electronic unlocking rod for the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220477541 CN203204632U (en) | 2012-09-19 | 2012-09-19 | Electronic product and electronic unlocking rod for the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203204632U true CN203204632U (en) | 2013-09-18 |
Family
ID=49148722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220477541 Expired - Fee Related CN203204632U (en) | 2012-09-19 | 2012-09-19 | Electronic product and electronic unlocking rod for the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203204632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104537734A (en) * | 2014-12-04 | 2015-04-22 | 无锡宇宁光电科技有限公司 | Hardware intelligent key for intelligent terminal |
-
2012
- 2012-09-19 CN CN 201220477541 patent/CN203204632U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104537734A (en) * | 2014-12-04 | 2015-04-22 | 无锡宇宁光电科技有限公司 | Hardware intelligent key for intelligent terminal |
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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: 20130918 Termination date: 20180919 |