CN101030307A - Safety opening electronic lock against decoding for electronic key of vehicle - Google Patents
Safety opening electronic lock against decoding for electronic key of vehicle Download PDFInfo
- Publication number
- CN101030307A CN101030307A CNA2007100983313A CN200710098331A CN101030307A CN 101030307 A CN101030307 A CN 101030307A CN A2007100983313 A CNA2007100983313 A CN A2007100983313A CN 200710098331 A CN200710098331 A CN 200710098331A CN 101030307 A CN101030307 A CN 101030307A
- Authority
- CN
- China
- Prior art keywords
- circuit
- decoding
- snatch
- signal
- key
- 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.)
- Pending
Links
Images
Landscapes
- Lock And Its Accessories (AREA)
Abstract
An electronic burglar-rob proof lock of anti-decoding type on automobile is prepared as connecting key socket enabling to insert electronic key in to decoding/anti-decoding circuit through signal converter, connecting decoding/anti-decoding circuit to burglar-rob proof control circuit and unlocking control circuit being connected to burglar-rob proof control circuit and locking unit, connecting function recovery circuit to decoding/ anti-decoding circuit, connecting the locking execution circuit separately to burglar-rob proof control circuit and locking unit.
Description
One, technical field
What the present invention relates to is a kind of vehicle anti-theft and anti-robbing electronic lock, and specifically a kind of electronic key unlocking formula is prevented the codec type vehicle anti-theft and anti-robbing electronic lock.
Two, background technology
Along with the raising day by day of living standard, the quantity that people have automobile gets more and more.Because the anti-theft anti-robbing device of installing on the automobile is perfect inadequately, the stolen incident of being robbed of automobile happens occasionally.At present the anti-theft device installed of automobile has various types of car door locks, but the robber breaks glass and into the car car stolen.Burglar alarm is installed on automobile in addition, but is just reported to the police, as car owner during away from car, the robber has time enough that car is driven away; Also wrong report often causes noise pollution.Now also have advanced digital code electronic lock is installed on sedan limousine, car is stolen but the robber uses the very short time just number to be untied with senior electronics decoding means.For the car incident of robbing that takes place, people adopt jube that driver and other people are kept apart, but some cunning offenders subdue the driver by every means car are snatched away.
Three, summary of the invention
In order to solve the deficiencies in the prior art, the purpose of this invention is to provide the anti-codec type vehicle anti-theft and anti-robbing electronic lock of a kind of electronic key unlocking formula.
Realize that the technical scheme that purpose of the present invention adopts is: this vehicle anti-theft and anti-robbing electronic lock mainly by electron key, decoding anti-decoding circuit, anti-snatch control circuit, functional rehabilitation circuit, feed circuit, the control circuit of unblanking of band coding, shut executive circuit and the lock part is formed; The electron key of band coding is inserted in the key holder, and key holder joins by active circuit and the feed circuit of supplying with whole device, and key holder also joins by the anti-decoding circuit of signal transmitter and decoding; The anti-decoding circuit of decoding joins with anti-snatch control circuit, the control circuit of unblanking, and unblank control circuit and anti-snatch control circuit, lock part join; The functional rehabilitation circuit joins with the anti-decoding circuit of decoding, shuts executive circuit and joins with anti-snatch control circuit, lock part respectively.After electron key inserts key holder, key successively sends the two strings coded signal of unblanking and flows to the anti-decoding circuit of decoding, this circuit is unblanked after coded signal discerns, decodes, judges, detects to two strings of successively receiving, the correct decoded signal of unblanking is sent into the control circuit of unblanking through anti-snatch control circuit, and the control circuit control lock of unblanking certain portions is finished and is unblanked to make the car operation.When automobile was robbed the car phenomenon in operational process, anti-snatch control circuit work was sent and is shut instruction to being shut executive circuit, shuts executive circuit control lock certain portions and realizes shutting.After by anti-snatch control circuit lock being lived, can not unblank with the key of unblanking of this car exactly, only enable the function key and just can unblank.
The present invention's beneficial effect compared with prior art is: decode and unblank because the circuit part of this anti-theft and anti-robbing electronic lock is provided with the coded signals of unblanking of two string regulations, adopted the technology of identification, decoding, judgement, detection in the decode procedure, prevented the generation of stealing car effectively with senior electronics decoding means decoding; Owing to be provided with anti-snatch control circuit and functional rehabilitation circuit, make automobile automatic stopping in official hour when robbing car, snatch the key of unblanking and also car can't be driven away, realize anti-snatch purpose, and application function restoring circuit driver is easy to the circuit of a lock and recovers car is driven away.This anti-theft and anti-robbing electronic lock is simple in structure, and it is convenient, safe and reliable to use, and is suitable for being installed on various types of automobiles, is used for anti-theft and anti-robbing.
Four, description of drawings
Fig. 1 is the circuit connection diagram of the anti-codec type vehicle anti-theft and anti-robbing electronic lock of electronic key unlocking formula of the present invention.
Fig. 2 is the lock part connection layout of the anti-codec type vehicle anti-theft and anti-robbing electronic lock of electronic key unlocking formula of the present invention.
Five, embodiment
In the accompanying drawings, electronic key unlocking formula of the present invention is prevented the codec type vehicle anti-theft and anti-robbing electronic lock, mainly by electron key, decoding anti-decoding circuit, anti-snatch control circuit, functional rehabilitation circuit, feed circuit, the control circuit of unblanking of band coding, shut executive circuit and the lock part is formed; The electron key 5 of band coding is inserted in the key holder 6, and key holder 6 joins by active circuit 12 and the feed circuit 13 of supplying with whole device, and feed circuit 13 join with automobile storage battery 7; When key inserts key holder 6, send a pulse signal by key holder 6 to active circuit 12, active circuit 12 activates the feed circuit 13 that are in the semidormancy state to whole electronic lock power supply; Key holder 6 also joins by the anti-decoding circuit of signal transmitter 11 and decoding.The anti-decoding circuit of decoding waits for that by coded signal identification circuit 15, decoding circuit 16, connection circuit 17, testing circuit 18, Signal Monitor 3 and signal alarm 4 constitute; Signal recognition circuit 15 is connected with key holder 6 with signal alarm 4 by signal transmitter 11; Decoding circuit 16 both was connected with signal recognition circuit 15, waited for that with connection circuit 17 is connected again, also was connected with Signal Monitor 3 by signal transmitter 11; Testing circuit 18 1 ends wait for that with connection circuit 17 is connected, and the other end is connected with anti-snatch circuit 19.Anti-snatch control circuit is made of anti-snatch electronic switch 1, anti-snatch manipulated key 2, electronics correlation device 8, signal processing circuit 9, signal conveys circuit 10 and anti-snatch circuit 19; Signal processing circuit 9 is connected with anti-snatch electronic switch 1, anti-snatch manipulated key 2 and signal conveys circuit 10 respectively; Electronics correlation device 8 is connected with signal processing circuit 9 with anti-snatch electronic switch 1 respectively; Anti-snatch circuit 19 is connected with signal conveys circuit 10, the control circuit 20 of unblanking respectively, is provided with delay circuit 21 in the anti-snatch circuit 19, delay circuit 21 with shut executive circuit 26 and be connected; Unblank control circuit 20, shut executive circuit 26 and be connected with motor, ignition control circuit 27, the fuel feeding control circuit 28 of lock part respectively.The functional rehabilitation circuit waits for that by decoding circuit 22, connection circuit 23, testing circuit 24 and function treatment circuit 25 constitute; Decoding circuit 22 waits for that with code identification circuit 15, connection circuit 23 is connected respectively; Testing circuit 24 waits for that with connection circuit 23, function treatment circuit 25 are connected respectively; Function treatment circuit 25 prevents that with decoding the decoding circuit 16 in the decoding circuit is connected.Shutting executive circuit 26 is connected to and shuts trigger circuit 14 automatically, this function that shuts trigger circuit 14 is to shut executive circuit 26 from trend behind the automobile flameout to send one and close lock signal its execution is shut, automatically shut after realizing stopping working, avoid automobile the lock phenomenon to occur leaking.The lock part comprises mechanical caging and electronic locking two parts, and the electronic locking part is made of ignition control circuit 27 and fuel feeding control circuit 28, and ignition control circuit 27 is connected with ignition control switch 29, the igniting of Control of Automobile ignition switch 29 and flame-out; Fuel feeding control circuit 28 is connected with automobile fuel feeding switch 30, and the running of Control of Automobile fuel feeding switch 30 and stopping to realize the purpose of open and close lock; Mechanical locking part 41 mainly is made up of the drag hook 37 that cover before stay cord 36 that moves by the gear 31 of driven by motor, the locking bar 32 of being with tooth bar, locked groove 33, pulling locked groove and the Control of Automobile is opened; The other end of the locking bar 32 that is meshed with gear 31 is positioned at locked groove 33, locked groove 33 and spring 35 are positioned at lock housing 34, one end of stay cord 36 passes spring 35 fixedlys connected with locked groove 33, the middle part of stay cord 36 is fixed with drag hook 37, and the other end of stay cord 36 stretches out outside the preceding cover of automobile fixedlys connected with handle 40; The middle part of drag hook 37 is actively set on the bearing pin 38 that is fixed on the fuselage, and drag hook 37 cooperates and joins away from the anti-hook 39 of opening of stay cord end and cover.Because the operating part of this anti-theft and anti-robbing electronic lock is installed in the preceding cover of automobile; the purpose that mechanical locking part is set is can't open preceding cover without electron key; prevent that the robber from opening arbitrarily that cover starts to connect ignition switch and the fuel feeding switch is stolen car, realize the function and protecting of lock.Unblank control circuit 20 when motor is just being changeed, and gear 31 drives locking bars 32 and shifts out locked groove 33, the outer handle 40 of pulling cover, and drag hook 37 rotates around bearing pin 38, and its drag hook 37 breaks away from hook 39 with hook 39 abutting ends, can open cover before the automobile; Shut executive circuit 26 and make the motor counter-rotating, locking bar 32 is got back to lock is cut out, and can't open preceding cover without electron key.Electron key 5 is lock key and function key separately, and the key of unblanking is used for switch lock; Its function one of function key is to enable the new key of unblanking that is not identified, the 2nd, abolish the original key of unblanking, and the 3rd, the anti-snatch state of releasing electronic lock recovers normally to use.Codec in the anti-decoding circuit of the electron key of band coding and decoding all is to make with the tumbling-type codec chip of high key amount.The course of work of the anti-decoding circuit of described decoding is: after the key of unblanking inserts key holder, send first string unblank coded signal through signal transmitter 11 to code identification circuit 15 by key, after 45 ° of key turns, send second string unblank coded signal through signal transmitter 11 to code identification circuit 15 by key, after encoded identification circuit 15 identifications, not the unlocking signal of this lock, give alarm 4 with signal through signal transmitter 11 and report to the police, realize first pass that anti-decoding is unblanked; If the unlocking signal of this lock, identification circuit is given decoding circuit 16 with signal and is decoded, and the decoded state of decoding circuit 16 is delivered to display 3 through signal transmitter 11 and made demonstration decoding correctness, is second pass of realizing that anti-decoding is unblanked; The first string unlocking signal that decoding circuit 16 solves is sent into to connect and is waited for that the second string unlocking signal that circuit 17 makes this circuit turn-on wait for that decoding circuit 16 solves arrives, after the second string unlocking signal that decoding circuit 16 solves arrives, second string signal and first string signal are if conform to, connect wait circuit 17 and just give testing circuit 18 second string signal, otherwise not analyzing conveying, is the 3rd pass of realizing that anti-decoding is unblanked; Whether circuit 18 detects the second string unlocking signal after testing correct, and incorrect stopping to be carried, and correctly gives the control circuit 20 of unblanking by anti-snatch circuit 19, is the 4th pass of realizing that anti-decoding is unblanked; Unblank ignition control circuit 27 and fuel feeding control circuit 28 that control circuit 20 passes to electronic locking part with unlocking signal makes ignition switch 29 closures, 30 conductings of fuel feeding switch make the automobile starting operation; Simultaneously, unlocking signal is passed to mechanical locking part make locking bar 32 break away from locked groove 33, can open the preceding cover of automobile.The anti-decoding circuit of this decoding is unblanked after coded signal discerns, decodes, judges, detects to two strings of successively receiving, the correct decoded signal of unblanking could be sent into the control circuit of unblanking through anti-snatch control circuit, can prevent electronics decoding robber car effectively, also car can't be stolen with senior again decoding technique.In anti-snatch control circuit, anti-snatch electronic switch 1 is the touch-switch that enters and withdraw from anti-snatch state, electronics correlation device 8 is made of infrared emission head and infrared receiving terminal, emitting head and reception head are located at driver's both sides respectively, when discovery is robbed the car omen but is uncertain, pressing anti-snatch electronic switch 1 connects, when the person that robs the car stretches out one's hand the uniform driver when robbing car, the infrared ray that emitting head sends is kept off, receive the anti-snatch signal of head output and give signal processing circuit 9, after this processing of circuit, signal is passed to anti-snatch circuit 19 by signal conveys circuit 10, anti-snatch circuit 19 is triggered and by shutting executive circuit 26 control fuel feeding the speed of a motor vehicle is reduced, time-delay one after the meeting, the delay circuit 21 in the anti-snatch circuit 19 will be robbed the car signal again and pass to and shut executive circuit 26, the car oil-break power break is slowly stopped, finishing mechanical caging simultaneously; The effect of delay circuit 21 is that car can not be stopped suddenly, the generation that tries to forestall traffic accidents.When omen does not take place, press anti-snatch electronic switch 1 again and can remove anti-snatch readiness.When not having prior omen to rob car, the driver can press anti-snatch manipulated key 2 and send anti-snatch signal, realizes equally stopping by anti-snatch control circuit, finishes mechanical caging.After anti-snatch control circuit shut, this circuit had blocked unlocking signal automatically, and the person takes the lock that key can not be opened this car to rob the car exactly.Want to remove the anti-snatch state of electronic lock, recover normally to use, insert the function key its rotation is stopped both extracting in several seconds and can remove for 45 °.If in extracting 20 seconds of function key, insert new electron key, can leave out decoding function old in the decoding circuit through the functional rehabilitation circuit, recover and the new corresponding new decoding function of key; The course of work of functional rehabilitation circuit is basic identical with the course of work of the anti-decoding circuit of decoding, after the function key inserts key holder, send first string function coding signal through signal transmitter 11 to code identification circuit 15 by key, after 45 ° of key turns, send second string function coding signal through signal transmitter 11 to code identification circuit 15 by key, after encoded identification circuit 15 identifications, giving decoding circuit 22 with signal decodes, the first string function coding signal that solves is sent into to connect and is waited for that the second string function signal that circuit 23 makes this circuit turn-on wait for that decoding circuit 22 solves arrives, after the second string function signal that decoding circuit 22 solves arrives, second string signal, is connected wait circuit 23 and is given testing circuit 24 with second string signal if conform to first string signal; Whether the circuit 24 detections second string function signal is correct after testing, correctly gives function treatment circuit 25; Function treatment circuit 25 is disposed the old decoding function in the decoding circuit 16 in the anti-decoding circuit of decoding, input and the new corresponding new decoding function of key; Realized abolishing the old key of unblanking, enabled the new key function of unblanking; In the old key loss or just can use this function when being snatched away of unblanking.
Claims (8)
1, the anti-codec type vehicle anti-theft and anti-robbing electronic lock of a kind of electronic key unlocking formula, mainly by electron key, decoding anti-decoding circuit, anti-snatch control circuit, functional rehabilitation circuit, feed circuit, the control circuit of unblanking of band coding, shut executive circuit and the lock part is formed; It is characterized in that: the electron key (5) of band coding is inserted in the key holder (6), key holder (6) is connected with the feed circuit (13) of supplying with whole device by active circuit (12), and key holder (6) also is connected by the anti-decoding circuit of signal transmitter (11) and decoding; The anti-decoding circuit of decoding is connected with anti-snatch control circuit, the control circuit of unblanking (20), and the control circuit of unblanking (20) is connected with anti-snatch control circuit, lock part; The functional rehabilitation circuit is connected with the anti-decoding circuit of decoding, shuts executive circuit (26) and is connected with anti-snatch control circuit, lock part respectively.
2, vehicle anti-theft and anti-robbing electronic lock as claimed in claim 1 is characterized in that: the anti-decoding circuit of described decoding waits for that by coded signal identification circuit (15), decoding circuit (16), connection circuit (17), testing circuit (18), Signal Monitor (3) and signal alarm (4) constitute; Signal recognition circuit (15) is connected with key holder (6) with signal alarm (4) by signal transmitter (11); Decoding circuit (16) both was connected with signal recognition circuit (15), waited for that with connection circuit (17) is connected, and also is connected with Signal Monitor (3) by signal transmitter (11) again; Testing circuit (18) one ends wait for that with connection circuit (17) is connected, and the other end is connected with anti-snatch circuit (19).
3, vehicle anti-theft and anti-robbing electronic lock as claimed in claim 1 is characterized in that: described anti-snatch control circuit is made of anti-snatch electronic switch (1), anti-snatch manipulated key (2), electronics correlation device (8), signal processing circuit (9), signal conveys circuit (10) and anti-snatch circuit (19); Signal processing circuit (9) is connected with anti-snatch electronic switch (1), anti-snatch manipulated key (2) and signal conveys circuit (10) respectively; Electronics correlation device (8) is connected with signal processing circuit (9) with anti-snatch electronic switch (1) respectively; Anti-snatch circuit (19) is connected with signal conveys circuit (10), the control circuit of unblanking (20) respectively, is provided with delay circuit (21) in the anti-snatch circuit (19), delay circuit (21) with shut executive circuit (26) and be connected.
4, vehicle anti-theft and anti-robbing electronic lock as claimed in claim 1 is characterized in that: the described control circuit of unblanking (20), shut executive circuit (26) and be connected with motor, ignition control circuit (27), the fuel feeding control circuit (28) of lock part respectively.
5, vehicle anti-theft and anti-robbing electronic lock as claimed in claim 1 is characterized in that: described functional rehabilitation circuit waits for that by decoding circuit (22), connection circuit (23), testing circuit (24) and function treatment circuit (25) constitute; Decoding circuit (22) waits for that with code identification circuit (15), connection circuit (23) is connected respectively; Testing circuit (24) waits for that with connection circuit (23), function treatment circuit (25) are connected respectively; Function treatment circuit (25) prevents that with decoding the decoding circuit (16) in the decoding circuit is connected.
6, as claim 1 or 4 described vehicle anti-theft and anti-robbing electronic locks, it is characterized in that: the described executive circuit (26) that shuts is connected to and shuts trigger circuit (14) automatically.
7, vehicle anti-theft and anti-robbing electronic lock as claimed in claim 1, it is characterized in that: described lock part comprises mechanical caging and electronic locking two parts, the electronic locking part is made of ignition control circuit (27) and fuel feeding control circuit (28), ignition control circuit (27) is connected with ignition control switch (29), and fuel feeding control circuit (28) is connected with automobile fuel feeding switch (30); Mechanical locking part mainly is made up of the drag hook (37) that cover before stay cord (36) that moves by the gear (31) of driven by motor, the locking bar (32) of being with tooth bar, locked groove (33), pulling locked groove and the Control of Automobile is opened; The other end of the locking bar (32) that is meshed with gear (31) is positioned at locked groove (33), locked groove (33) and spring (35) are positioned at lock housing (34), one end of stay cord (36) passes spring (35) fixedlys connected with locked groove (33), the middle part of stay cord (36) is fixed with drag hook (37), and the other end of stay cord (36) stretches out outside the preceding cover of automobile fixedlys connected with handle (40); The middle part of drag hook (37) is actively set on the bearing pin (38) that is fixed on the fuselage, and drag hook (37) cooperates and joins away from the anti-hook (39) of opening of stay cord end and cover.
8, vehicle anti-theft and anti-robbing electronic lock as claimed in claim 1 is characterized in that: described electron key (5) is lock key and function key separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100983313A CN101030307A (en) | 2007-04-20 | 2007-04-20 | Safety opening electronic lock against decoding for electronic key of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100983313A CN101030307A (en) | 2007-04-20 | 2007-04-20 | Safety opening electronic lock against decoding for electronic key of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101030307A true CN101030307A (en) | 2007-09-05 |
Family
ID=38715631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100983313A Pending CN101030307A (en) | 2007-04-20 | 2007-04-20 | Safety opening electronic lock against decoding for electronic key of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101030307A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105730393A (en) * | 2014-12-09 | 2016-07-06 | 重庆宁来科贸有限公司 | In-series car door automatic locking device with repair function and self-check digital display function |
| CN105730397A (en) * | 2014-12-09 | 2016-07-06 | 重庆宁来科贸有限公司 | Automatic automobile door locking device with series algebraic code display double-recognition function |
| CN106274803A (en) * | 2015-05-18 | 2017-01-04 | 重庆宁来科贸有限公司 | A kind of sedan door automatic locking device scheme |
-
2007
- 2007-04-20 CN CNA2007100983313A patent/CN101030307A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105730393A (en) * | 2014-12-09 | 2016-07-06 | 重庆宁来科贸有限公司 | In-series car door automatic locking device with repair function and self-check digital display function |
| CN105730397A (en) * | 2014-12-09 | 2016-07-06 | 重庆宁来科贸有限公司 | Automatic automobile door locking device with series algebraic code display double-recognition function |
| CN105730397B (en) * | 2014-12-09 | 2019-04-12 | 重庆宁来科贸有限公司 | A kind of series connection algebraic code shows the car door automatic locking device of double identification functions |
| CN105730393B (en) * | 2014-12-09 | 2019-06-14 | 重庆宁来科贸有限公司 | A kind of car door automatic locking device that the reparation of series connection generation is shown for channel self detection digital code |
| CN106274803A (en) * | 2015-05-18 | 2017-01-04 | 重庆宁来科贸有限公司 | A kind of sedan door automatic locking device scheme |
| CN106274803B (en) * | 2015-05-18 | 2019-04-12 | 重庆宁来科贸有限公司 | A kind of sedan door automatic locking device scheme |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201751248U (en) | Fingerprint and speech recognition automobile startup system with bus function | |
| CN1480615A (en) | Locking means | |
| CN202347947U (en) | Annular electronic lock | |
| CN101546445A (en) | Keyless-entry antitheft security system | |
| CN103466009B (en) | A kind of motor bike starts intelligent protection system without key | |
| US20050046554A1 (en) | System and device for locking an automobile steering axis | |
| CN101030307A (en) | Safety opening electronic lock against decoding for electronic key of vehicle | |
| CN202645355U (en) | Safe burglar-proof door | |
| CN201047958Y (en) | Remote control unlocking type anti-decoding type anti-theft and grabbing electronic lock for vehicle | |
| CN103847694A (en) | Vehicle door control method and vehicle door control system | |
| CN101295413A (en) | Vehicle anti-theft method and anti-theft equipment thereof | |
| CN207568350U (en) | A kind of safety door latch based on speech recognition | |
| CN201047959Y (en) | Electronic key unlocking type anti-decoding type anti-theft and grabbing electronic lock for vehicle | |
| CN101042782A (en) | Remote-control unlocking type decoding proof type electronic security lock for vehicle | |
| CN205100677U (en) | Safe and antitheft automobile key | |
| CN201047211Y (en) | Remote-control unlocking type decoding prevention type motorcycle anti-theft electronic lock | |
| CN111994036A (en) | Automobile state abnormity alarm system | |
| CN1075859C (en) | Theft-proof lock for motorcycle | |
| CN106593123A (en) | Anti-theft door lock, anti-theft door locking system and locking method based on anti-theft door locking system | |
| CN101038687A (en) | Electronic key unlocking type anti-decoding motorcycle anti-theft electronic lock | |
| CN204178430U (en) | The remote-controlled lock of belt switch state display | |
| CN205224848U (en) | Lock state detection device | |
| CN201705035U (en) | Automatic messy code device of vault door | |
| CN201195980Y (en) | Photoelectronic control alarm lock system | |
| CN104691494B (en) | Electronic burglary prevention assisting device for motor vehicles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20070905 |