CN201249735Y - Vehicle burglarproof system - Google Patents
Vehicle burglarproof system Download PDFInfo
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- CN201249735Y CN201249735Y CN 200820103204 CN200820103204U CN201249735Y CN 201249735 Y CN201249735 Y CN 201249735Y CN 200820103204 CN200820103204 CN 200820103204 CN 200820103204 U CN200820103204 U CN 200820103204U CN 201249735 Y CN201249735 Y CN 201249735Y
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Abstract
The utility model discloses a vehicle burglarproof system comprising a remote controller, a signal receiver, a host computer, a first relay, a vehicle starting circuit, a second relay and a vehicle oil pump circuit, wherein the remote controller, the signal receiver and the host computer are orderly connected, the host computer respectively controls the vehicle starting circuit and the vehicle oil pump circuit through the two relays, the system further comprises an intelligent controller and an emergency keyboard, wherein the intelligent controller is connected between the host computer and the two relays, and the emergency keyboard is connected with the intelligent controller. The system of the utility model provides users with emergency self-rescuing measures for failures such as damages of parts of an apparatus, which has simple operation and convenient use.
Description
Technical field
The utility model relates to electro-mechanical system, specifically relates to the electro-mechanical system that is applied to automotive theft proof system.
Background technology
Raising along with people's living standard, automobile is more and more universal, automobile antitheft also becomes a problem that more and more merits attention, car alarm annunciator of Shi Yonging or anti-theft system are when certain components and parts in remote controller or the main frame be damaged (particularly the electronic component probability of damage is than higher) in the market, may cause whole theft-proof basic function destroyed, thereby cause automobile to cast anchor on the way, the phenomenon that can't start.At this moment, chaufeur can only wait for that maintenance point sends someone to come to sue and labour, if the deuce to pay away from maintenance point, will be caused to chaufeur in the get stuck place, causes enormous pressure also for simultaneously car alarm dealer's past-sale service work.
The method that solves in the prior art has multiple, and some car alarm producer takes to establish the way of " through swtich " on main frame, must find main frame earlier in case this thing happens, and presses this " through swtich ", and automobile just can directly be activated.But this method is owing to need the technical ability of specialty, can the disassemble a car trim board of under-dash, and find Car Burglar Alarm main frame and " through swtich ", therefore, general chaufeur almost there is not practical value, convenience is provided on the contrary professional cartheft, cartheft can utilize this " through swtich " easily automobile to be stolen.
Another kind of solution is based on infrared ray as control signal and take from the automotive theft proof system of establishing cryptography form control in the prior art, as shown in Figure 1, this system can send the self-editing infrared encoded signal by the user, described code signal is after software is encrypted automatically, be transmitted on the infrared remote receiver, infrared signal is input in the micro controller system of main frame along lead after infrared remote receiver is converted to electric signal again, thereby can control anti-theft system.The described anti-theft system of this solution can realize that anti-electronics demoder is stolen car, remote controller copied by the anti-copy password or cipher key is stolen car, anti-theft remote controller or car key robber car.But when certain former device damaged in the system, described anti-theft system still may take place and can't start, thereby the passive situation that causes get stuck to wait for rescue on the way.
The utility model content
The problem that the purpose of this utility model causes automobile to start when being to solve in the automotive theft proof system certain or a plurality of components and parts et out of order, and prevent the problem that anti-theft system lost efficacy when removing anti theft host.
For solving the foregoing invention purpose, the utility model proposes a kind of automotive theft proof system, this system comprises remote controller, signal receiver, main frame, first relay, motor start circuit, second relay and automobile fuel pump circuit, described remote controller, signal receiver and main frame link to each other successively, described main frame is by two relays difference Control of Automobile start-up circuits and automobile fuel pump circuit, this system also comprises intelligent controller and emergent keyboard, wherein intelligent controller is connected between main frame and two relays, and emergent keyboard links to each other with intelligent controller.
Described intelligent controller is connected by USB interface with emergent keyboard.
Described intelligent controller comprises input interface circuit, first controller power source, the first intelligent controller microprocessor, the first relay driver circuit, second controller power source, the second intelligent controller microprocessor and the second relay driver circuit, wherein input interface circuit links to each other with two microprocessors, and the first intelligent controller microprocessor is connected in and constitutes a two circuit branch road between first controller power source and the first relay driver circuit; The second intelligent controller microprocessor is connected in and constitutes two circuit another branch road between second controller power source and the second relay driver circuit, and wherein two branch road functions are identical, and a branch road is the fallback circuit of another branch road.
Described main frame, the first intelligent controller microprocessor and the second intelligent controller microprocessor all include an EEPROM, be used for storage and separate alert password, this separate alert password can be at any time under the control of software with host microprocessors EEPROM in the alert password of separating that stores be consistent automatically.
Described emergent keyboard comprises keyboard circuit, keyboard microprocessor, driver circuit, keyboard USB interface, and wherein, described four modules connect successively.Work as remote controller, or infrared remote receiver, or during the arbitrary parts et out of order of main frame, utilize emergent keyboard to import the original alert code signal of separating by USB interface, this signal through the intelligent controller microprocessor be stored among self EEPROM separate alert cryptographic core to after, can control two relays equally and make it adhesive, reach the purpose that starts automobile.
This device comprises infrared signal coded transmitter, infrared remote receiver, main frame MCU chip, intelligent controller, emergent keyboard and two relays, and establish alert indicator lamp and alarming horn, wherein said infrared signal coded transmitter is by sending infrared signal to infrared remote receiver, press key message sent by user is inputed to main frame MCU chip, thereby main frame MCU chip is controlled the break-make that intelligent controller is controlled two relays by signal transmssion line, and described emergent keyboard is connected with intelligent controller by USB interface; Described to establish alert indicator lamp be the LED lamp, is connected between the LED signal end and ground end of main frame; Alarming horn is connected between the alarm signal output ends SP_OUT and ground end of main frame; Car door detection signal and electric switch ACC detection signal are input to main frame MCU chip as warning actuation signal source.
Described emergent keyboard circuit comprises by keyboard MCU chip PIC16C54, the keyboard circuit that button S1 to S12 forms, the driving circuit that resistance R 9 and aerotron Q3 form, wherein, keyboard chord rood to 12 a code signal X1 to X3, Y1 to Y4 inputs to keyboard MCU chip PIC16C54, the mouth of keyboard microprocessor is by driving circuit and YCON1 signal wire (SW) output signal, the YCON2 signal wire (SW) is used to return the reception response signal of intelligent controller, to drive a Microspeaker SPEAKER in the emergent keyboard, send the response sound, whether prompting user key-press operation effective, described two signal line and ground wire and+the 12V power lead is used to be connected USB interface.
Described intelligent controller circuit comprises that the identical branch road of two-way constitutes the double loop fallback circuit, wherein arbitrary branch road includes the power circuit that relay drive circuit, power supply chip 78L05 and filter capacitor that controller MCU chip PIC16F636, two NPN aerotrons and resistance forms are formed, and described power supply chip 78L05 and filter capacitor will import+and the 12V voltage transitions obtains stable+5V voltage provides power supply for circuit.
The 12V power supply of described intelligent controller adopts double circuit power supply, the main frame of doing for oneself of coming, another road independent current source that the outside provides of serving as reasons.
Automotive theft proof system described in the utility model is when in the system during because of certain components and parts or certain parts et out of order, the user can utilize the original alert password of separating of emergent keyboard input to save oneself, do necessary maintenance again after earlier car being left go back to the destination, needn't wait for long-distance suing and labouring, not only, also alleviate the pressure of car alarm dealer past-sale service greatly, and the described method of saving oneself is safe and reliable for the user provides convenience, operation is simple for the user, realizes but the stranger who does not know password is separated alert then being difficult to.After even main frame is removed in addition, intelligent controller is still being controlled two relays, has only to separate alert password by emergent keyboard input and just can make two relay adhesives, reaches the purpose that starts automobile.Therefore can effectively prevent to utilize the way of removing the Car Burglar Alarm main frame to steal the phenomenon of car.
In addition,, therefore need not from charged pool because emergent keyboard is that USB interface directly obtains working power from automotive battery in the utility model, can be not enough not malfunctioning because of battery electric quantity; Therefore, when system can't work because of the remote controller battery undertension, can face with emergent keyboard and replace it,, bring convenience for user's use for the user provides certain expeditious measures.
Description of drawings
Fig. 1 is the The general frame of automotive theft proof system described in the prior art;
Fig. 2 is the The general frame of the described automotive theft proof system of the utility model specific embodiment;
Fig. 3 is the structured flowchart of the described emergent keyboard of the utility model specific embodiment;
Fig. 4 is the described intelligent controller structured flowchart of the utility model specific embodiment;
Fig. 5 is a physical circuit enforcement figure of the described automotive theft proof system of the utility model specific embodiment;
Fig. 6 is a physical circuit enforcement figure of emergent keyboard in the described automotive theft proof system of the utility model specific embodiment;
Fig. 7 is a physical circuit enforcement figure of intelligent controller in the described automotive theft proof system of the utility model specific embodiment.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model specific embodiment is explained in detail.
Be illustrated in figure 1 as the The general frame of a kind of automotive theft proof system in the prior art, this system comprises remote controller, infrared remote receiver, main frame, first relay, second relay, motor start circuit and automobile fuel pump circuit.Wherein, remote controller is a signal encoding projector, can send the self-editing infrared encoded signal by the user, this code signal is after software is encrypted automatically, be transmitted on the described infrared remote receiver, infrared signal is input in the micro controller system of main frame along lead after infrared remote receiver is converted to electric signal again.Described infrared signal comprises separates alert (withdrawing a garrison) signal, establish alert (deploying troops on garrison duty) signal, and password is revised signal etc.When system is received when establishing alert signal, main frame output command, the output that makes two relays cut off the start-up circuit and the oil pump circuit of automotive engine in open-circuit condition; When system is received when separating alert signal, main frame output command, the output that makes two relays recover the start-up circuit of automotive engine and the breakpoint of oil pump circuit in closed circuit state, and at this moment, system is in the state of withdrawing a garrison, and inserting former automobile key can start.
Be the structured flowchart of the described automotive theft proof system of the utility model specific embodiment as described in Figure 2, anti-theft system described in the utility model comprises remote controller 200, signal receiver 201, main frame 202, first relay 204, second relay 206, motor start circuit 205, the automobile fuel pump circuit 207 in the existing anti-theft system, simultaneously, also comprise an intelligent controller 203 and an emergent keyboard 208, and comprise an electrically erasable programmable memory device (EEPROM) in the described main frame 202.Wherein, described intelligent controller 203 is connected between the coupling end of main frame 202 and two relays, and described emergent keyboard 208 links to each other with intelligent controller 203.
Be illustrated in figure 3 as the structured flowchart of the described emergent keyboard 208 of the utility model specific embodiment, this emergent keyboard 208 comprises keyboard circuit 300, keyboard microprocessor 301, driver circuit 302 and keyboard USB interface 303.Wherein keyboard circuit 300 can input to press key message sent by user keyboard microprocessor 301, keyboard microprocessor 301 exports keyboard USB interface 303 according to press key message sent by user to by driving circuit, uses the control information of emergent keyboard 208 outputs by USB interface output user.
Be illustrated in figure 4 as the structured flowchart of intelligent controller 203 described in the utility model, this controller comprises input interface circuit 400, first controller power source 401, the first intelligent controller microprocessor 402, the first relay driver circuit 403, the second intelligent controller microprocessor 404, the second relay driver circuit 405 and second controller power source 406.Wherein first controller power source 401 provides power supply for the described first intelligent controller microprocessor 402, the first intelligent controller microprocessor 402 is exported control signal corresponding again and is driven first relay 204 and second relays 206 through the first relay driver circuit 403 by the control signal of input interface circuit 400 receptions from emergent keyboard 208 and main frame 202.
Described input interface circuit 400 comprises the USB interface that links to each other with emergent keyboard 208, and the interface signal that links to each other with main frame 202.
The described second intelligent controller microprocessor 404, the second relay driver circuit 405 and the structure and the circuit of the second control power supply 406 are connected the fallback circuit that is the described first intelligent controller microprocessor 402, the first relay driver circuit 403 and first controller power source 401, the dual micro processor double loop design that described intelligent controller 203 adopts is in order further to improve the system works reliability, makes total system drop to minimum because of certain part components and parts et out of order causes the probability that system can't normal operation.
Therefore, described two intelligent controller microprocessors 402 and 404 include EEPROM.
To sum up, in the described automotive theft proof system of this specific embodiment as shown in Figure 2, described remote controller 200, signal receiver 201, main frame 202, two relays 204 and 206 and motor start circuit 205, anti-theft system is basic identical in the working process of automobile fuel pump circuit 207 and the prior art shown in Figure 1, it should be noted that EEPROM stores the alert password of understanding in the main frame 202, when main frame 202 receive that remote controller 200 sends separate alert instruction the time, whether at first check the password of storing in instruction password and the EEPROM memory consistent, if unanimity then send and separate alert action command, pass through intelligent controller, make two relays 204 and 206 adhesives, connect two breakpoints in motor start circuit 205 and the oil pump circuit 207; The miss operation if password is inconsistent still is in the alert state of establishing.Wherein, described in the EEPROM memory of main frame 202 separated alert password and can rewrite by remote controller 200, but must confirm before rewriting that current password could operate, so ought not know that the current password that sets just can't rewrite, and increased safety.
After main frame, increase an intelligent controller 203 and an emergent keyboard 208, in fact described intelligent controller plays the effect of second main frame, the structure of this intelligent controller 203 as shown in Figure 4, be the paired running system that forms by two same model microprocessors 402 and 404, described two microprocessor EEPROM separately store respectively and understand alert password, this is separated the alert password of separating that alert password and main frame 202 stored and keeps changing synchronously, when separating alert password and rewritten in the main frame 202, the alert password of separating among the EEPROM in described two microprocessors is also rewritten synchronously.Two microprocessors 402 and 404 can receive that simultaneously main frame 202 separating alert instruction or establishing alert instruction through what encrypt by what lead was sent by described input interface circuit 400 in the intelligent controller 203, and through deciphering, after the decoding, check with the alert password of storing among the EEPROM separately of separating, if unanimity then send drive signal, otherwise refusal sends drive signal.
Simultaneously, two microprocessors 402 on the intelligent controller 203 and 404 also can be accepted alert or establish alert signal from separating of emergent keyboard 208, and it is decrypted, decoding and password checking work, the finally adhesive of control relay or open.In this specific embodiment, described intelligent controller 203 is connected with keyboard USB interface 303 in the emergent keyboard 208 by the USB interface in the input interface circuit 400, and described keyboard USB interface is a USB plug, and the USB interface in the described input interface circuit 400 is the USB slot.
Because the alert password of separating on the intelligent controller 203 is consistent with the alert password of separating on the main frame 202, therefore, when remote controller 200 takes place, infrared remote receiver 201, during the fault of main frame 202, the user can be with the USB interface of emergent keyboard 208 insertion systems standby on the car, uses original separate alert password and can separate alert operation equally.
Be illustrated in figure 5 as a concrete circuit of implementing of the described automotive theft proof system block diagram of this specific embodiment, wherein one has the miniature infrared encoded signal projector of " 0-9 " tens word keyboard and " * " " # " " F " function keys such as " C " as the remote controller in the system chart 200, infrared remote receiver is as the signal receiver in the system chart 201, have the infrared receiving module that matches mutually with the infrared transmission module of remote controller 200, can be converted to electric signal to infrared signal; 4 electric connection lines are arranged: 5 volts of power leads, grounding jumpers (GND), be used for the electric signal that is converted to by infrared signal is transferred to the signal transmssion line (CMA) of the MCU chip of main frame between infrared remote receiver and the main frame 202, and be used for the LED drive signal on the main frame MCU chip is passed on LED signal drive wire to a LED display lamp on the infrared remote receiver, this LED signal drive wire is used to show that infrared remote receiver has received the infrared signal that the infrared encoded signal projector is sent.
It should be noted that, remote controller 200 and signal receiver 201 are not limited to this concrete described infrared encoded signal projector of circuit and infrared remote receiver implemented in the anti-theft system described in the utility model, can also send receive mode for other, as wireless transmission and receiving device, as long as satisfy the transmission of remote controller 200 and the reception of signal receiver 201 is complementary.
Main frame MCU chip is a core control part in this enforcement circuit diagram, various command signals from infrared remote receiver are decrypted, decoding, and compare and check with the alert password of separating that is stored among the EEPROM, thereby whether decision sends separate the police or establish alert instruction, the command signal of also sending simultaneously according to infrared remote receiver, the function that the password that is stored among the EEPROM is rewritten.Between main frame MCU chip and the intelligent controller except that 12 volts power lead and ground wire joint, two other signal transfer line CON1 and CON2, wherein CON1 is used to transmit establishing the police or separating control signals such as alert of main frame, and CON2 is used for transmitting the password that the EEPROM of main frame MCU chip stores, and makes the password synchronous change thereupon among the EEPROM of intelligent controller.In addition, also have on the main frame MCU chip 12 volts power leads obtaining from the outside that power supply uses and ground wire (grounding jumper), start control line SP_OUT, inspection vehicle door opening and closing state and electric switch status detection line JC1 and the JC2 of alarming horn and control the control line LED1 that LED establishes alert indicator lamp in addition.
Be illustrated in figure 7 as described anti-theft system and specifically implement the physical circuit figure of intelligent controller in the circuit, wherein adopting model is the microprocessor of the MCU chip of PIC16F636 as intelligent controller; Power circuit adopts power supply chip 78L05 and filter capacitor to form, and except from main frame MCU chip obtains 12 volts of power supplys, also has another road independent current source, promptly adopts double circuit power supply, has further improved functional reliability; The relay driver circuit comprises two NPN aerotrons and resistance.The rapid wear device all backs up in the described concrete enforcement circuit, forms two circuit intelligent controller circuit of dual micro processor and fallback circuit thereof.Described Based Intelligent Control implement body is implemented two mouth CONA and CONB of circuit, is used for controlling the break-make of two relays of anti-theft system, realizes the function of establishing alert (deploying troops on garrison duty) or separating police's (withdrawing a garrison) of anti-theft system.
Be illustrated in figure 6 as this concrete physical circuit figure that implements emergent keyboard 208 in the circuit, wherein, keyboard circuit 300 comprises 12 button S1 to S12 in the block diagram, obtain 12 control signal X1 to X3, Y1 to Y4 inputs to keyboard MCU chip PIC16C54, the mouth of keyboard MCU chip passes through the driving circuit output signal of diode D2 and resistance R 9 and aerotron Q3 composition to YCON2, YCON1 two signal line, wherein one is used to transmit by what emergent keyboard sent and separates alert or establish alert signal, another is used to return the reception response signal of intelligent controller, to drive a Microspeaker SPEAKER in the emergent keyboard, send the response sound, whether the operation of prompting user key-press is effective.Described two signal wire (SW)s and ground wire and+12V power lead and USB interface connect, thereby described emergent keyboard is connected with intelligent controller by USB interface, described+12V power supply provides stable+5V power supply by power supply chip 78L05 for the keyboard of meeting an urgent need.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (9)
1, a kind of automotive theft proof system, this system comprises remote controller (200), signal receiver (201), main frame (202), first relay (204), motor start circuit (205), second relay (206) and automobile fuel pump circuit (207), described remote controller (200), signal receiver (201) links to each other successively with main frame (202), described main frame (202) is by two relays difference Control of Automobile start-up circuits (205) and automobile fuel pump circuit (207), it is characterized in that, this system also comprises intelligent controller (203) and emergent keyboard (208), wherein intelligent controller (203) is connected between main frame (202) and two relays, and emergent keyboard (208) links to each other with intelligent controller (203).
2, a kind of automotive theft proof system according to claim 1 is characterized in that, described intelligent controller (203) is connected by USB interface with emergent keyboard (208).
3, a kind of automotive theft proof system according to claim 1, it is characterized in that, described intelligent controller (203) comprises input interface circuit (400), first controller power source (401), the first intelligent controller microprocessor (402), the first relay driver circuit (403), second controller power source (406), the second intelligent controller microprocessor (404) and the second relay driver circuit (405), wherein input interface circuit (400) links to each other with two microprocessors, and the first intelligent controller microprocessor (402) is connected in and constitutes a two circuit branch road between first controller power source (401) and the first relay driver circuit (403); The second intelligent controller microprocessor (404) is connected in and constitutes two circuit another branch road between second controller power source (406) and the second relay driver circuit (405), and wherein two branch road functions are identical, and a branch road is the fallback circuit of another branch road.
4, according to claim 1 or 3 described a kind of automotive theft proof systems, it is characterized in that, described main frame (202), the first intelligent controller microprocessor (402) and the second intelligent controller microprocessor (404) all include an EEPROM, be used for storage and separate alert password, this separate alert password can be at any time under the control of software program with host microprocessors in the stored alert password of separating of EEPROM be consistent automatically.
5, a kind of automotive theft proof system according to claim 1, it is characterized in that, described emergent keyboard (208) comprises keyboard circuit (300), keyboard microprocessor (301), driver circuit (302), keyboard USB interface (303), and wherein, described four modules connect successively.
6, a kind of alarms and security systems for automobiles according to the described system implementation of claim 1, it is characterized in that, this device comprises the infrared signal coded transmitter, infrared remote receiver, main frame, intelligent controller, emergent keyboard and two relays, and establish alert indicator lamp and alarming horn, wherein said infrared signal coded transmitter is by sending infrared signal to infrared remote receiver, press key message sent by user is inputed to MCU chip in the main frame, thereby main frame MCU chip is controlled the break-make that intelligent controller is controlled two relays by signal transmssion line, and described emergent keyboard is connected with intelligent controller by USB interface; Described to establish alert indicator lamp be the LED lamp, is connected between the LED signal end and ground end of main frame MCU chip; Alarming horn is connected in the alarm signal output ends SP_OUT and the ground end of main frame MCU chip; Car door detection signal and electric switch ACC detection signal are input to main frame MCU chip.
7, alarms and security systems for automobiles according to claim 6, it is characterized in that, described emergent keyboard circuit comprises by keyboard MCU chip PIC16C54, the keyboard circuit that button S1 to S12 forms, the driving circuit that resistance R 9 and aerotron Q3 form, wherein, keyboard chord rood to 12 a code signal X1 to X3, Y1 to Y4 inputs to keyboard MCU chip PIC16C54, the mouth of keyboard microprocessor outputs signal to YCON1 by driving circuit, and YCON2 is used to return the reception response signal of intelligent controller, to drive a Microspeaker SPEAKER in the emergent keyboard, send the response sound, whether prompting user key-press operation effective, described two output signal lines and ground wire and+the 12V power lead is used to be connected USB interface.
8, automotive theft proof system according to claim 6, it is characterized in that, described intelligent controller circuit comprises that the identical branch road of two-way constitutes the double loop fallback circuit, wherein arbitrary branch road includes the power circuit that relay drive circuit, power supply chip 78L05 and filter capacitor that controller MCU chip PIC16F636, two NPN aerotrons and resistance forms are formed, and described power supply chip 78L05 and filter capacitor will import+and the 12V voltage transitions obtains stable+5V voltage provides power supply for circuit.
9, automotive theft proof system according to claim 8 is characterized in that, the 12V power supply of intelligent controller adopts double circuit power supply, comes from main frame another road independent current source that the outside provides of serving as reasons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820103204 CN201249735Y (en) | 2008-07-30 | 2008-07-30 | Vehicle burglarproof system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820103204 CN201249735Y (en) | 2008-07-30 | 2008-07-30 | Vehicle burglarproof system |
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| CN201249735Y true CN201249735Y (en) | 2009-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200820103204 Expired - Fee Related CN201249735Y (en) | 2008-07-30 | 2008-07-30 | Vehicle burglarproof system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973244A (en) * | 2010-09-26 | 2011-02-16 | 华南理工大学 | Automobile anti-theft system based on double central processing units |
| CN102653268A (en) * | 2011-03-04 | 2012-09-05 | 李创中 | USB (Universal Serial Bus) car alarm |
| CN103522983A (en) * | 2013-11-09 | 2014-01-22 | 汉寿县嘉防防盗科研所 | Vehicle-mounted burglar alarm |
| CN104786986A (en) * | 2015-03-25 | 2015-07-22 | 王方圆 | Novel rolling code automobile anti-theft device |
| CN109080578A (en) * | 2018-09-20 | 2018-12-25 | 中山航领电子技术研究有限公司 | A kind of Intelligent programmable alarm |
-
2008
- 2008-07-30 CN CN 200820103204 patent/CN201249735Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973244A (en) * | 2010-09-26 | 2011-02-16 | 华南理工大学 | Automobile anti-theft system based on double central processing units |
| CN102653268A (en) * | 2011-03-04 | 2012-09-05 | 李创中 | USB (Universal Serial Bus) car alarm |
| CN103522983A (en) * | 2013-11-09 | 2014-01-22 | 汉寿县嘉防防盗科研所 | Vehicle-mounted burglar alarm |
| CN103522983B (en) * | 2013-11-09 | 2015-07-15 | 汉寿县嘉防防盗科研所 | Vehicle-mounted burglar alarm |
| CN104786986A (en) * | 2015-03-25 | 2015-07-22 | 王方圆 | Novel rolling code automobile anti-theft device |
| CN109080578A (en) * | 2018-09-20 | 2018-12-25 | 中山航领电子技术研究有限公司 | A kind of Intelligent programmable alarm |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20100730 |