CN102941838B - For Car Burglar Alarm and the anti-theft system of vehicle - Google Patents
For Car Burglar Alarm and the anti-theft system of vehicle Download PDFInfo
- Publication number
- CN102941838B CN102941838B CN201210429912.1A CN201210429912A CN102941838B CN 102941838 B CN102941838 B CN 102941838B CN 201210429912 A CN201210429912 A CN 201210429912A CN 102941838 B CN102941838 B CN 102941838B
- Authority
- CN
- China
- Prior art keywords
- wireless signal
- burglar alarm
- car burglar
- user
- message
- 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.)
- Active
Links
- 239000000725 suspension Substances 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims description 5
- 230000002618 waking effect Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 abstract description 8
- 230000036039 immunity Effects 0.000 abstract description 5
- 230000002452 interceptive effect Effects 0.000 abstract description 5
- 238000004891 communication Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241000256844 Apis mellifera Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
Abstract
The present invention proposes a kind of Car Burglar Alarm for vehicle and anti-theft system.Wherein, anti-theft system comprises: user's suspension member, identifies message for periodically launching user; And Car Burglar Alarm, described Car Burglar Alarm is arranged on the optional position of vehicle, for carrying out acquisition of signal when perceiving external event, and detects within effective time when described user identifies message and is switched to disarming state.Present invention achieves the automatic switchover of Car Burglar Alarm armed state and disarming state, only need carry user's suspension member therebetween, without the need to any active operation, simple to operate, practicality is high.Car Burglar Alarm is totally independent of vehicle self simultaneously, and without the need to using the signal of any vehicle control electronics, install simple, safety is high.And the mechanism of withdrawing a garrison of the present invention identifies message for parsing actv. user, otherwise is defaulted as armed state, therefore has immunity to high-power interfering signal.
Description
Technical field
The present invention relates to vehicle safety technical field of burglary prevention, particularly a kind of Car Burglar Alarm for vehicle and anti-theft system.
Background technology
Along with the universal of vehicle and the development of electronic communication technology, the anti-joyride device (anti-theft tracking device as based on nest honeybee communication network and GPS location) based on radio communication is popularized gradually.
Anti-joyride device must possess the function of identification validated user (i.e. car owner) and disabled user, uses during vehicle be switched to disarming state at validated user.Current most anti-joyride device relies on the unlatching/igniting of vehicle itself and closedown/misfire signals to identify, this just requires that anti-joyride device must be electrically connected with the control circuit of vehicle itself before use, thus adds installation difficulty and the security risk of anti-joyride device.In addition, for anti-theft feature itself, wired connection makes the difficulty that cracks of anti-joyride device greatly reduce, and lawless person only need understand the interface position of vehicle control electronics, wired connection is cut off and can anti-joyride device be made easily to lose efficacy.
Meanwhile, wireless automobile key has generally started to utilize lower powered short range wireless signal to carry out user's identification.But automobile key is locked to vehicle and unlocking action needs user's trigger key, and anti-joyride device itself is as additional equipment, and user's trigger key just can carry out user's identification if also require, operation will be made too loaded down with trivial details and reduce practicality.On the other hand, for the wireless signal of user's trigger-type, lawless person can cover it with simple high-power interference source, makes anti-joyride device cannot enter armed state all the time, loses its anti-theft feature.
Summary of the invention
Object of the present invention is intended at least solve one of above-mentioned technological deficiency.
For achieving the above object, the embodiment of first aspect present invention proposes a kind of anti-theft system for vehicle, comprising: user's suspension member, identifying message for periodically launching user; And Car Burglar Alarm, described Car Burglar Alarm is arranged on the optional position of vehicle, for carrying out acquisition of signal when perceiving external event, and detects within effective time when described user identifies message and is switched to disarming state from armed state.
According to the anti-theft system of user's vehicle of the embodiment of the present invention, periodically launch user by user's suspension member and identify that message achieves the automatic switchover of Car Burglar Alarm armed state and disarming state, therebetween without the need to any active operation, practicality is high.Car Burglar Alarm is totally independent of vehicle self simultaneously, and without the need to using the signal of any vehicle control electronics, install simple, safety is high.And the mechanism of withdrawing a garrison of the present invention identifies message for parsing actv. user, therefore has immunity to high-power interfering signal.
In one embodiment of the invention, described Car Burglar Alarm is also for after entering into disarming state, open described acquisition of signal with predetermined time interval, and detect within described effective time when described user identifies message and maintain described disarming state, otherwise enter armed state.Thus, user's suspension member can be confirmed whether still near Car Burglar Alarm, thus immediately enter armed state when user's suspension member leaves Car Burglar Alarm to ensure safety.
In one embodiment of the invention, described user's suspension member emitting antenna of comprising wireless signal transmitter and being connected with described wireless signal transmitter.
In one embodiment of the invention, described Car Burglar Alarm specifically comprises: receiving wire; Wireless signal receiver, described wireless signal receiver is connected with described receiving wire, for detection wireless signal; And treater, described treater is connected with described wireless signal receiver, wireless signal acquisition is carried out for waking described wireless signal receiver up when perceiving external event, and the wireless signal detected is resolved, and when described wireless signal receiver detects described subscriber identification signal within effective time, described Car Burglar Alarm is switched to disarming state from armed state.
In one embodiment of the invention, described treater is also for cutting out described wireless signal receiver when described Car Burglar Alarm is in armed state.Thus, power consumption can be saved.
In one embodiment of the invention, n-th user identifies that message and (n-1)th user identify that the time gap between message is T
0+ r
nt
d, wherein, T
0for fixing message sends the cycle, r
nfor random integers, T
dfor shaky time.Owing to have employed Jitter mechanism, can hold multiple user's suspension member thus and work simultaneously and do not interfere with each other, meanwhile, Jitter also makes catching of malice crack message and become more difficult, improves safety.In one embodiment of the invention, described predetermined time interval is MT
0+ R
nt
d, wherein,
m is predetermined message interval times.
The present invention also proposes a kind of Car Burglar Alarm for vehicle on the other hand, comprising: receiving wire; Wireless signal receiver, described wireless signal receiver is connected with described receiving wire, for detectable signal; And treater, described treater is connected with described wireless signal receiver, carry out acquisition of signal for waking described wireless signal receiver up when perceiving external event and the signal detected is resolved, and detecting within effective time at described wireless signal receiver and control described Car Burglar Alarm when actv. user identifies message and enter disarming state.
According to the Car Burglar Alarm for vehicle of the embodiment of the present invention, by wireless signal receiver detectable signal, can be totally independent of vehicle self thus, without the need to using the signal of any vehicle control electronics, install simple, safety is high.Further, the mechanism of withdrawing a garrison identifies message for parsing actv. user, therefore has immunity to high-power interfering signal.
In one embodiment of the invention, described treater also for opening described wireless signal receiver with predetermined time interval after described Car Burglar Alarm enters into disarming state, and to detect within described effective time when described user identifies message at described wireless signal receiver and maintain described disarming state, otherwise control described Car Burglar Alarm and enter armed state.Thus, user can be confirmed whether still near Car Burglar Alarm, thus enter armed state in time when user leaves to ensure safety.
In one embodiment of the invention, described treater is also for cutting out described wireless signal receiver when described Car Burglar Alarm is in armed state.Thus, power consumption can be saved.
In one embodiment of the invention, described predetermined time interval is MT
0+ R
nt
d, wherein,
m is predetermined message interval times, r
nfor random integers, N be described Car Burglar Alarm when entering disarming state described user identify the number of times of message, T
0for fixing message sends the cycle, T
dfor shaky time.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is according to an embodiment of the invention for the structural representation of the anti-theft system of vehicle;
Fig. 2 is the structural representation of Car Burglar Alarm according to an embodiment of the invention; And
Fig. 3 is the operating diagram of Car Burglar Alarm according to an embodiment of the invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of described term can be understood as the case may be.
The anti-theft system for vehicle according to the embodiment of the present invention is described in detail below in conjunction with Figure of description.
Fig. 1 is the structural representation of the anti-theft system for vehicle of one embodiment of the invention.As shown in Figure 1, user's suspension member 1 and Car Burglar Alarm 2 is comprised according to the anti-theft system for vehicle of the embodiment of the present invention.User's suspension member 1 is carried with by user.Car Burglar Alarm 2, without the need to installing, is arbitrarily placed on any position of vehicle.
User's suspension member 1 identifies message for periodically launching user.Such as, the emitting antenna that user's suspension member 1 can comprise wireless signal transmitter and be connected with wireless signal transmitter, wireless signal transmitter powers on after start, periodically launches user and identifies message.There is interference mutually in the wireless signal launched in order to avoid arbitrary two suspension members, in one embodiment of the invention, launches n-th user and identify that message and transmitting (n-1)th user identify that the time gap between message is T
0+ r
nt
d, wherein, T
0for fixing message sends the cycle, as 5 seconds; r
nfor random integers, as ± 1, equal probability value in ± 2}; T
dfor random shaky time, as 0.05 second.By using Jitter mechanism, catching of malice also can be made to crack message and become more difficult, improve safety.
Car Burglar Alarm 2 for carrying out acquisition of signal when perceiving external event (during as vehicle vibration), and detects when user identifies message and is switched to disarming state from armed state within effective time, otherwise gives the alarm.
Fig. 2 is the structural representation of Car Burglar Alarm 2 according to an embodiment of the invention.As shown in Figure 2, Car Burglar Alarm 2 can comprise receiving wire 210, wireless signal receiver 220 and treater 230.Wireless signal receiver 220 is connected with wireless antenna 210, for detection wireless signal.Treater 230 is connected with wireless signal receiver 220, carry out wireless signal acquisition for the wake on wireless signal receiver when perceiving external event 220 and the signal detected is resolved, and detecting within effective time at wireless signal receiver 220 and control Car Burglar Alarm 2 when actv. user identifies message and enter disarming state.Should understand, can to mate with user's suspension member 1 Car Burglar Alarm 2 in advance and arrange, such as in treater 230, store user ID, launch when user identifies message add user ID wherein at user's suspension member 1, treater 230 can judge whether the signal detected is effective message signals thus.
When should also be understood that normal work, Car Burglar Alarm 2 has two states: armed state and disarming state.Under armed state, treater 230 can cut out wireless signal receiver 220, wakes up when there is external event again.Thus, power consumption can be saved.
In addition, Car Burglar Alarm 2, also under disarming state, with predetermined time interval start signal detection (that is, open wireless signal receiver 220), and detects when actv. user identifies message and maintains disarming state, otherwise enter armed state within effective time.Thus, user's suspension member 1 can be confirmed whether still near Car Burglar Alarm 2, and leave Car Burglar Alarm 2(and user leaves at user's suspension member 1) time, in time Car Burglar Alarm 2 is set to armed state, ensures the safety of vehicle.In one embodiment of the invention, predetermined time interval is MT
0+ R
nt
d, wherein,
m is predetermined message interval times, as 24 times.The time gap of twice open wireless signal receiver 220 can be that receiving-transmitting sides is made an appointment, and also can be identified in message user by wireless signal transmitter and notify wireless signal receiver 220.
The workflow of Car Burglar Alarm is according to an embodiment of the invention described in detail below in conjunction with Fig. 3.As shown in Figure 3, Car Burglar Alarm 2 starts wireless signal receiver 210 detectable signal after starting shooting, if at time T
lthe effective message of interior discovery (user of the suspension member 1 namely mated with Car Burglar Alarm 2 identifies message) namely enters disarming state automatically, otherwise enters armed state, closes wireless signal receiver 210 simultaneously.When having external event (as vehicle vibration), treater 230 wake on wireless signal receiver 220 carries out acquisition of signal, if at T effective time
ginside detect effective message and then automatically enter disarming state, otherwise give the alarm.Under disarming state, every M message interval, treater 230 is opened a wireless signal receiver 220 and is carried out acquisition of signal, if at time T
linside detect effective message, then maintain disarming state, otherwise automatically enter armed state.
The anti-theft system for vehicle according to the embodiment of the present invention at least has following beneficial effect:
(1) present invention employs a kind of unidirectional periodicity and send the form identifying message, achieve the automatic switchover of armed state and disarming state, only need user to carry user's suspension member therebetween, without the need to carrying out any active operation, easy and simple to handle, practical; Meanwhile, Car Burglar Alarm is totally independent of vehicle self, and without the need to using the signal of any vehicle control electronics, install simple, safety is high.
(2) the solution of the present invention mechanism of withdrawing a garrison identifies message for parsing actv. user, otherwise is defaulted as armed state, has immunity thus to high-power interfering signal.
(3) message of the present invention have employed multi-user's mechanism of Jitter in sending, and therefore can hold multiple suspension member and works simultaneously and do not interfere with each other, and in addition, Jitter also makes catching of malice crack message and become more difficult.
The present invention also proposes a kind of Car Burglar Alarm for vehicle on the other hand.As shown in Figure 3, comprise according to the Car Burglar Alarm for vehicle of the embodiment of the present invention: receiving wire 210, wireless signal receiver 220 and treater 230.
Wireless signal receiver 220 is connected with receiving wire 210, for detectable signal.Treater 230 is connected with wireless signal receiver 220, carry out wireless signal acquisition for the wake on wireless signal receiver when perceiving external event 220 and the signal detected is resolved, and detecting within effective time at wireless signal receiver 220 and control Car Burglar Alarm 2 when actv. user identifies message and enter disarming state.
In one embodiment of the invention, treater 230 also for after Car Burglar Alarm enters into disarming state with predetermined time interval open wireless signal receiver 220, and to detect within effective time when actv. user identifies message at wireless signal receiver 220 and maintain disarming state, otherwise control Car Burglar Alarm and enter armed state.Thus, user can be confirmed whether still near Car Burglar Alarm, thus enter armed state in time when user leaves Car Burglar Alarm to ensure safety.Wherein, predetermined time interval can be MT
0+ R
nt
d, wherein,
m is predetermined message interval times, r
nfor random integers, N be Car Burglar Alarm when entering disarming state user identify the number of times of message, T
0for fixing message sends the cycle, T
dfor shaky time.
In one embodiment of the invention, treater 230 also for cutting out wireless signal receiver 220 after Car Burglar Alarm enters armed state, saves power consumption thus.
Workflow is particularly as follows: start wireless signal receiver 210 detectable signal, if at time T after Car Burglar Alarm start
lnamely the effective message of interior discovery enters disarming state automatically, otherwise enters armed state, closes wireless signal receiver 210 simultaneously.When having external event (as vehicle vibration), treater 230 wake on wireless signal receiver 220 carries out acquisition of signal, if at T effective time
ginside detect effective message and then automatically enter disarming state, otherwise give the alarm.Under disarming state, every M message interval, treater 230 is opened a wireless signal receiver 220 and is carried out acquisition of signal, if at time T
linside detect effective message, then maintain disarming state, otherwise automatically enter armed state.
According to the anti-theft device for vehicle of the embodiment of the present invention, by wireless signal receiver Received signal strength, therefore can be totally independent of vehicle self, without the need to using the signal of any vehicle control electronics, install simple, safety is high.Further, the mechanism of withdrawing a garrison identifies message for parsing actv. user, therefore has immunity to high-power interfering signal.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (11)
1. for an anti-theft system for vehicle, it is characterized in that, comprising:
User's suspension member, identifies message for periodically launching user; And
Car Burglar Alarm, described Car Burglar Alarm is arranged on the optional position of vehicle, for carrying out acquisition of signal when perceiving external event, and detects within effective time when described user identifies message and is switched to disarming state from armed state.
2. the anti-theft system for vehicle according to claim 1, it is characterized in that, described Car Burglar Alarm is also for after entering into disarming state, described acquisition of signal is opened with predetermined time interval, and detect within described effective time when described user identifies message and maintain described disarming state, otherwise enter armed state.
3. the anti-theft system for vehicle according to claim 1, is characterized in that, the emitting antenna that described user's suspension member comprises wireless signal transmitter and is connected with described wireless signal transmitter.
4. the anti-theft system for vehicle according to claim 1, is characterized in that, described Car Burglar Alarm specifically comprises:
Receiving wire;
Wireless signal receiver, described wireless signal receiver is connected with described receiving wire, for detection wireless signal; And
Treater, described treater is connected with described wireless signal receiver, wireless signal acquisition is carried out for waking described wireless signal receiver up when perceiving external event, and the wireless signal detected is resolved, and when described wireless signal receiver detects subscriber identification signal within effective time, described Car Burglar Alarm is switched to disarming state from armed state.
5. the anti-theft system for vehicle according to claim 4, is characterized in that, described treater is also for cutting out described wireless signal receiver when described Car Burglar Alarm is in armed state.
6. the anti-theft system for vehicle according to claim 2, is characterized in that, n-th user identifies that message and (n-1)th user identify that the time gap between message is T
0+ r
nt
d, wherein, T
0for fixing message sends the cycle, r
nfor random integers, T
dfor shaky time.
7. the anti-theft system for vehicle according to claim 6, is characterized in that, described predetermined time interval is MT
0+ R
nt
d, wherein,
m is predetermined message interval times.
8. for a Car Burglar Alarm for vehicle, it is characterized in that, comprising:
Receiving wire;
Wireless signal receiver, described wireless signal receiver is connected with described receiving wire, for detection wireless signal;
Treater, described treater is connected with described wireless signal receiver, carry out wireless signal acquisition for waking described wireless signal receiver up when perceiving external event and the signal detected is resolved, and detecting within effective time at described wireless signal receiver and control described Car Burglar Alarm when actv. user identifies message and enter disarming state.
9. the Car Burglar Alarm for vehicle according to claim 8, it is characterized in that, described treater also for opening described wireless signal receiver with predetermined time interval after described Car Burglar Alarm enters into disarming state, and to detect within described effective time when described user identifies message at described wireless signal receiver and maintain described disarming state, otherwise control described Car Burglar Alarm and enter armed state.
10. the Car Burglar Alarm for vehicle according to claim 8, is characterized in that, described treater is also for cutting out described wireless signal receiver when described Car Burglar Alarm is in armed state.
11. Car Burglar Alarms for vehicle according to claim 9, is characterized in that, described predetermined time interval is MT
0+ R
nt
d, wherein,
m is predetermined message interval times, r
nfor random integers, N be described Car Burglar Alarm when entering disarming state described user identify the number of times of message, T
0for fixing message sends the cycle, T
dfor shaky time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210429912.1A CN102941838B (en) | 2012-10-31 | 2012-10-31 | For Car Burglar Alarm and the anti-theft system of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210429912.1A CN102941838B (en) | 2012-10-31 | 2012-10-31 | For Car Burglar Alarm and the anti-theft system of vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102941838A CN102941838A (en) | 2013-02-27 |
| CN102941838B true CN102941838B (en) | 2015-12-02 |
Family
ID=47724864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210429912.1A Active CN102941838B (en) | 2012-10-31 | 2012-10-31 | For Car Burglar Alarm and the anti-theft system of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102941838B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1634733A (en) * | 2003-12-30 | 2005-07-06 | 厦门雅迅网络股份有限公司 | Automatic defence supplying and withdrawing method for automobile anti-theft alarm system |
| DE102005021007B3 (en) * | 2005-05-03 | 2006-12-07 | Kay Rahtkens | Anti-theft security system for motor vehicle detects unauthorized starting or driving, and produces signal to activate closure of central locking system |
| CN201012671Y (en) * | 2006-12-28 | 2008-01-30 | 傅锦青 | Automatic alarm device starting-retracting device for automobiles |
| CN101704360A (en) * | 2008-12-24 | 2010-05-12 | 广州中沙桥汽车用品有限公司 | Automotive management system and management method thereof |
| CN101932481A (en) * | 2008-01-31 | 2010-12-29 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Car key and method for locating a motor vehicle at close range using the car key |
| CN202159421U (en) * | 2011-01-17 | 2012-03-07 | 建德市五星车业有限公司 | Intelligent burglar alarm for vehicle |
-
2012
- 2012-10-31 CN CN201210429912.1A patent/CN102941838B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1634733A (en) * | 2003-12-30 | 2005-07-06 | 厦门雅迅网络股份有限公司 | Automatic defence supplying and withdrawing method for automobile anti-theft alarm system |
| DE102005021007B3 (en) * | 2005-05-03 | 2006-12-07 | Kay Rahtkens | Anti-theft security system for motor vehicle detects unauthorized starting or driving, and produces signal to activate closure of central locking system |
| CN201012671Y (en) * | 2006-12-28 | 2008-01-30 | 傅锦青 | Automatic alarm device starting-retracting device for automobiles |
| CN101932481A (en) * | 2008-01-31 | 2010-12-29 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Car key and method for locating a motor vehicle at close range using the car key |
| CN101704360A (en) * | 2008-12-24 | 2010-05-12 | 广州中沙桥汽车用品有限公司 | Automotive management system and management method thereof |
| CN202159421U (en) * | 2011-01-17 | 2012-03-07 | 建德市五星车业有限公司 | Intelligent burglar alarm for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102941838A (en) | 2013-02-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7046147B2 (en) | Integrated security system and method | |
| US8819979B2 (en) | Security system | |
| CN102708609B (en) | Anti-theft door GSM (Global System for Mobile Communications) safety system and anti-theft method thereof | |
| CN204915915U (en) | Electric motor car lithium cell remote control intelligence anti -theft system | |
| CN103887832A (en) | Portable power source, and system which is in communication with the same | |
| CN204978962U (en) | Electric motor car theftproof intelligent terminal and electric motor car anti -theft system | |
| EP4101024A1 (en) | An anti-tampering device | |
| CN105391884B (en) | Multifunctional intelligent alarm anti-theft lock | |
| CN201842054U (en) | Remote control key capable of searching interference signal | |
| JP4788583B2 (en) | Authentication apparatus and communication method | |
| CN202935319U (en) | Intelligent vibration induction wireless antitheft device | |
| CN106419021A (en) | Wallet and method for preventing cards in wallet from being lost | |
| CN102941838B (en) | For Car Burglar Alarm and the anti-theft system of vehicle | |
| CN101359419A (en) | A transportation anti-theft system | |
| CN202219807U (en) | Intelligent anti-theft alarm device for motor vehicle of electronic product | |
| CN107310661A (en) | A kind of anti-theft system of electromotor car | |
| CN202944471U (en) | Intelligent wireless voice reminding burglar alarm | |
| CN202736256U (en) | Power distribution room safety management system | |
| CN102363421A (en) | Method for alarming automobile stealing and tracking stolen automobile | |
| CN210761069U (en) | Positioning anti-theft device applied to electric vehicle | |
| CN203102470U (en) | Intelligent networking alarm system | |
| CN205336373U (en) | Multi -functional intelligent warning pickproof lock | |
| CN202529067U (en) | Intelligent wireless burglar alarm | |
| JP2008085437A (en) | Portable emergency call radio terminal | |
| CN202042023U (en) | Wireless antitheft alarm with automatic detector low power informing function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |