CN202743205U - Vehicular control system - Google Patents
Vehicular control system Download PDFInfo
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- CN202743205U CN202743205U CN 201220464725 CN201220464725U CN202743205U CN 202743205 U CN202743205 U CN 202743205U CN 201220464725 CN201220464725 CN 201220464725 CN 201220464725 U CN201220464725 U CN 201220464725U CN 202743205 U CN202743205 U CN 202743205U
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Abstract
The utility model belongs to the field of automobiles, and in particular relates to a vehicular control system which can improve the safety of vehicles. The vehicular control system comprises a search module, a normal running module, and an antitheft and anti-robbery module, wherein the search module is used for searching signals emitted by a sensing identifier in real time; the normal running module is used for detecting the current state of the vehicle when the signals emitted by the sensing identifier are searched, and controlling the vehicle to be under corresponding normal running state according to the detected current state of the vehicle; and the antitheft and anti-robbery module is used for detecting the current state of the vehicle when the signals emitted by the sensing identifier are not searched, and controlling the vehicle to be under corresponding antitheft and anti-robbery state according to the detected current state of the vehicle. The normal running module comprises an unlocking sub module which is used for controlling an electronic lock of a trunk and electronic locks of vehicle doors to be unlocked when the detected current state of the vehicle is that the electronic lock of the trunk and electronic locks of vehicle doors are locked.
Description
Technical field
The utility model relates to automotive field, relates in particular to control system for automobile.
Background technology
At present, the quantity of family car is more and more, and correspondingly, the car owner is also just following to the awareness of safety of each self-love car, how to prevent that the article in Che Nei and the boot are stolen, becomes now problem demanding prompt solution.
Traditional automotive theft proof system generally is by realizing with the car key of automobile coupling, the car owner is typically equipped with the car key of car door and boot, the car owner within the specific limits, the button of pressing on the car key then can be controlled locking and unblanking of car door and boot, perhaps the car owner directly opens or locks car door and boot with car key machinery, steals into the car article or steals the article of boot to prevent car thief.Specific implementation is as follows: when the car owner leaves car, by pressing the button on the car key, perhaps directly lock mechanically car door with car key, promote vehicle window, the case lid of the boot of leaving behind simultaneously is to lock boot.
Yet this traditional automotive theft proof system only can be realized the locking of boot and car door and remove locking that safety is lower.
The utility model content
The utility model proposes control system for automobile, can improve the safety of vehicle.
In order to achieve the above object, the technical solution of the utility model is achieved in that
Control system for automobile comprises:
The induction recognizer is used for sending in real time signal to the vehicle of correspondence;
Search module is used for the signal that real-time search induction recognizer sends;
Normal operation module is used for detecting the current state of vehicle, and being in corresponding normal operating condition according to the current state control vehicle of the vehicle that detects when searching the signal that described induction recognizer sends;
The anti-theft and anti-robbing module is used for detecting the current state of vehicle, and being in corresponding anti-theft and anti-robbing state according to the current state control vehicle of the vehicle that detects when not searching the signal that described induction recognizer sends.
Preferably, described normal operation module comprises:
The release submodule, be used for when the current state of the vehicle that detects be boot electronic lock and car door electronic lock when locked, control boot electronic lock and car door electronic lock and unlock.
Preferably, described anti-theft and anti-robbing module comprises:
The locking submodule, be used for when the current state of the vehicle that detects be boot electronic lock and car door electronic lock when unlocking, control boot electronic lock and car door electronic lock and lock, promote simultaneously vehicle window.
Preferably, described anti-theft and anti-robbing module comprises:
Survey the promoter module, the infrared detector that is used for installing in the control vehicle is opened;
The first warning submodule if be used for searching the infrared signal that described infrared detector detects, then controlled vehicle and is sent the first alerting signal;
Wherein, described infrared signal is to be produced by the mobile of object in the car.
Preferably, described normal operation module comprises:
Survey and close closed submodule, be used for when the current state of the vehicle that detects is described infrared detector unlatching, controls described infrared detector and closing.
Preferably, described anti-theft and anti-robbing module comprises:
The second warning submodule is used for then controlling vehicle and sending the second alerting signal when detecting the current state of vehicle and be fired state.
Preferably, described anti-theft and anti-robbing module further comprises:
The first timing submodule is used for starting timing after described the second warning submodule sends the second alerting signal;
The first time-delay control submodule is used for when timing arrives the first Preset Time length, and control engine quits work.
Preferably, described the first timing submodule is the first time delay circuit.
Preferably, this system further comprises:
The side door detection module is used for detecting the side door state after the control vehicle is in described normal operating condition;
The second timing module is opening if be used for detecting the side door state, the beginning timing;
The second time-delay control module was used for before described timing arrives the second Preset Time, if do not search the signal that described induction recognizer sends, then control engine quits work.
Preferably, described the second timing module is the second time delay circuit.
Compared with prior art, the control system for automobile that the utility model provides, the induction recognizer sends signal to the vehicle of correspondence in real time, meanwhile, when search module search the induction recognizer send signal the time, then detect the current state of vehicle by normal operation module, and be in corresponding normal operating condition according to the current state control vehicle of the vehicle that detects; When search module does not search signal, then detect the current state of vehicle by the anti-theft and anti-robbing module, and be in corresponding anti-theft and anti-robbing state according to the current state control vehicle of the vehicle that detects.Like this, when search module searched the signal that the induction recognizer sends, the control vehicle entered normal operating condition, guarantees that the car owner is to the normal use of vehicle; When search module is searched for the signal that sends less than the induction recognizer, then control vehicle and enter the anti-theft and anti-robbing state, further improve the safety of vehicle.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in below describing only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
The module map of a kind of control system for automobile that Fig. 1 provides for the utility model embodiment one;
The module map of a kind of preferred embodiment of the control system for automobile that Fig. 2 provides for the utility model embodiment two;
Fig. 3 is the preferred circuit schematic diagram of control system for automobile among the utility model embodiment two;
The module map of the another kind of preferred embodiment of the control system for automobile that Fig. 4 provides for the utility model embodiment three;
Fig. 5 is the preferred circuit schematic diagram of control system for automobile among the utility model embodiment three;
The module map of another preferred embodiment of the control system for automobile that Fig. 6 provides for the utility model embodiment four.
Fig. 7 is the preferred circuit schematic diagram of control system for automobile among the utility model embodiment four;
The specific embodiment
Below with reference to accompanying drawing the technical scheme of each embodiment of the utility model is carried out clear, complete description, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, all belong to the scope that the utility model is protected.
Embodiment one
The utility model embodiment one provides a kind of control system for automobile, referring to Fig. 1, comprising:
Pass through radio communication between search module 2 and the induction recognizer 1; Dot its wireless connections relation among the figure;
Anti-theft and anti-robbing module 4 is used for detecting the current state of vehicle, and being in corresponding anti-theft and anti-robbing state according to the current state control vehicle of the vehicle that detects when not searching the signal that described induction recognizer sends.
The control system for automobile that the utility model embodiment one provides, the induction recognizer sends signal to the vehicle of correspondence in real time, meanwhile, when search module search the induction recognizer send signal the time, then detect the current state of vehicle by normal operation module, and be in corresponding normal operating condition according to the current state control vehicle of the vehicle that detects; When search module does not search signal, then detect the current state of vehicle by the anti-theft and anti-robbing module, and be in corresponding anti-theft and anti-robbing state according to the current state control vehicle of the vehicle that detects.Like this, when search module searched the signal that the induction recognizer sends, the control vehicle entered normal operating condition, guarantees that the car owner is to the normal use of vehicle; When search module is searched for the signal that sends less than the induction recognizer, then control vehicle and enter the anti-theft and anti-robbing state, further improve the safety of vehicle.
Embodiment two
The control system for automobile that above-described embodiment one provides, it can realize the locking of boot and car door and unlock, anti-theft feature namely, and then ensure in the boot and the safety of article in the car; To this, the below provides a preferred embodiment of this kind application, referring to Fig. 2, comprising:
Induction recognizer for each car configure dedicated is similar to traditional car key, and this induction recognizer sends signal in real time; The car owner carries described induction recognizer with it;
Pass through radio communication between search module 22 and the induction recognizer 21; Dot its wireless connections relation among the figure;
Particularly, the first signal receptor is installed on the car, this first signal receptor is used for responding to the signal that recognizer sends by the wireless mode search;
The signal cover of general induction recognizer is at circumference 5-20 rice, as long as respond to recognizer in 5-10 rice scope around the automobile, the first signal receptor all can search the signal that the induction recognizer sends;
Further, before induction recognizer and vehicle carry out practical application, mate responding to the anti-theft system of installing on recognizer and the vehicle in advance, realize by matching module, this matching module specifically comprises the first search submodule, and first extracts submodule, sub module stored, matched sub-block; Particularly,
The first search submodule is used for search signal;
The car owner carries inductor with it, is similar to traditional car key, is provided with button on the inductor, and when pressing the button, inductor sends signal;
The signal cover of general inductor needs only inductor in 5-10 rice scope around the automobile at circumference 5-20 rice, and the first signal receptor all can search the signal that inductor sends;
Preferably, first searches for submodule specifically realizes by the first signal receptor, and this first signal receptor is installed in the car, is used for receiving the signal that inductor sends by wireless mode;
First extracts submodule, is used for extracting the encrypted message that this signal carries from the described signal that searches;
Particularly, all store one group of above encrypted message in inductor and the first signal receptor, preferably, in the present embodiment, all store 12 hundreds of millions groups of encrypted messages in inductor and the signal receiver;
The inductor acquiescence is selected one group of encrypted message, such as first group in 12 hundreds of millions groups of encrypted messages, this encrypted message is wrapped in the instruction by group, and the signal of this instruction is sent to the first signal receptor;
If the inductor that the car owner holds damages or loses, then the coupling of an encrypted message will be re-started by the professional between inductor and the first receptor, determine that a new match information gets final product, because 12 hundreds of millions groups of number of password are larger, even the people beyond the car owner has found the inductor of car owner's original, missed, can there be the match information situation identical with original match information after the replacing in the car owner yet after having changed match information, further guaranteed the safety of automobile;
Sub module stored is used for pre-stored one group of above encrypted message;
Matched sub-block is used for the described encrypted message that will extract and mates with pre-stored one group above encrypted message, if the match is successful, then definite this encrypted message that extracts is match information;
That is to say, when the first signal receptor extracts encrypted message from the signal that receives, this encrypted message is mated with the multiple cipher information that self stores one by one, as long as there is one group of encrypted message identical with the encrypted message that this extracts, then the match is successful, and then will be somebody's turn to do the encrypted message that the match is successful as the match information of identification identity between first signal receptor and the inductor;
So far, just finish the coupling of password between matching module and the inductor, confirmed to carry out mutual identification signal between the two;
The present embodiment further comprises:
The module 23 that unlocks, if be used for searching the signal that described induction recognizer sends, then when the current state of the vehicle that detects be boot electronic lock and car door electronic lock when locked, control boot electronic lock and car door electronic lock unlock;
Wherein, control boot electronic lock and car door electronic lock unlock, and have realized that the control vehicle is in the effect of corresponding normal operating condition;
Locking module 24, if be used for not searching the signal that described induction recognizer sends, when the current state of the vehicle that detects is boot electronic lock and car door electronic lock when unlocking, control boot electronic lock and the locking of car door electronic lock promote vehicle window simultaneously;
Wherein, control boot electronic lock and the locking of car door electronic lock promote vehicle window simultaneously, have realized that the control vehicle is in the effect of corresponding anti-theft state;
In order to realize better anti-theft effect, the present embodiment further comprises:
Infrared detector is installed in the car, and when the attempt of car thief bump vehicle window destroyed vehicle window, the article in the car can rock under the impulse force of bump, and then infrared detector may detect infrared signal; Perhaps, when certain part (such as hand, arm etc.) of the health of car thief or health when article are stolen in mobile attempt in car, infrared detector also can detect infrared signal;
And in the prior art, the annunciator of installing in the automobile is reported to the police by the sounds trigger around the car, and rate of false alarm is higher; Infra-red detection in the present embodiment has then overcome this defective, situation about can not report by mistake;
When described infrared detector detects when mobile object is arranged in the car, send described infrared signal;
Particularly, infrared detector is to send infrared signal to the first signal receptor;
The first alarm module 26 if be used for searching the infrared signal that described infrared detector detects, then controlled vehicle and is sent the first alerting signal;
Wherein, the infrared detector that control is installed in the vehicle is closed, and has realized that the control vehicle is in the effect of corresponding normal operating condition.
For a kind of preferred embodiment of above-mentioned control system for automobile, the below provides a kind of preferred electrical block diagram, referring to Fig. 3:
For circuit shown in Figure 3, when needs re-start a match information really regularly with induction recognizer and anti-theft system, antenna in the first signal receptor is pulled out, be connected on the zero line of normal open circuit, then the first receptor receive feedback from give a signal, according to this from give a signal, with predetermined match information deletion in the first signal receptor, begin to wait for to receive the signal that the induction recognizer sends, and then redefine match information.
Embodiment three
To prevent car thief into the car or steal article in the boot among the embodiment two, and when car thief destroy vehicle window into the car after, often car thief is also refused to give up evil designs, further the attempt start the engine drives away car; To this, the control system for automobile that above-described embodiment one provides can be applicable to and further prevents the car thief car that drives away, and to realize anti-theft effect, strengthens the safety of automobile; To this, the below provides a preferred embodiment of this kind application, referring to Fig. 4, comprising:
Induction recognizer 41 is used for sending in real time signal to the vehicle of correspondence;
Search module 42 is used for the signal that real-time search induction recognizer sends;
Pass through radio communication between search module 42 and the induction recognizer 41; Dot its wireless connections relation among the figure;
The second alarm module 43 if be used for not searching the signal that described induction recognizer sends, when detecting the current state of vehicle and be fired state, then controlled vehicle and is sent the second alerting signal;
Particularly, except the first annunciator is installed, the second annunciator is installed also in the car; When the infrared detector in the car detects mobile object, at first trigger the first annunciator and send alerting signal; And after driving engine is triggered, then triggers the second annunciator and send alerting signal, thereby realize dual-alarm;
The first timing module 44 is used for starting timing;
The first time-delay control module 45 is used for when timing arrives the first Preset Time length, and control engine quits work;
Because the startup of driving engine can be controlled by various circuits, oil pump circuit for example, when disconnecting the oil pump circuit, oil pump then can not provide gasoline for driving engine more continuously, but when the oil pump circuit had just disconnected, also residual in the oil pump pipeline had part gasoline, in this case, driving engine is still also in work, and is not flame-out; For the car owner, after the second annunciator sent alerting signal, driving engine was not flame-out immediately, and this can allow the car owner produce fear, can suspect whether et out of order of this anti-theft system;
For this reason, be specially provided with this operation of time-delay, and in conjunction with this supposed situation of residual amount of gasoline in the oil pump, preferably, the first Preset Time was generally for 30 seconds, that is to say, after reporting to the police at the latest 30 seconds, driving engine can auto shut down.
For the another kind of preferred embodiment of above-mentioned control system for automobile, the below provides a kind of preferred electrical block diagram, referring to Fig. 5:
Secondary signal receptor 08 and the second relay circuit 09 are connected the normal open circuit, wherein, and secondary signal receptor 08 built-in aerial; Secondary signal receptor 08 connects the second relay circuit 09; The second relay circuit 09 is connecting engine trigger circuit 010 and the second annunciator 011 respectively, and driving engine trigger circuit 010 are connected to engine pack 012 by triggering the driving engine line, and this triggers the driving engine line parallel on the ON line; Like this, when secondary signal receptor 08 does not search the signal that carries match information that sends of induction recognizer by wireless mode after, when trigger circuit 010 receive the driving engine trigger message that transmits from engine pack 012, then control the second annunciator 011 and send alerting signal;
Can find out thus, the circuit of Fig. 3 and the circuit of Fig. 5 can be used as two independently circuit realize, what be used for searching for the signal that carries match information that the induction recognizer sends among Fig. 5 is the secondary signal receptor.
Embodiment four
Above-described embodiment two and embodiment three be the control system for automobile that provides of embodiment one in the situation that vehicles failed is exercised, prevent the application that vehicle is stolen or robbed; Many times, when the car owner in the way of driving, also can run into car thief and grab the situation of car and occur, to this, the control system for automobile that above-described embodiment one provides can further be applied in the vehicle driving process, prevents in the scene that vehicle robbed; Particularly, the below provides a preferred embodiment, after the control vehicle is in normal operating condition, referring to Fig. 6, comprising:
Side door detection module 62 is for detection of the side door state;
Particularly, the side door trigger switch is installed on the limit of car door, when car door in the moment that opens or closes, can produce the side door trigger message by this side door trigger switch;
The second timing module 63 is opening if be used for detecting the side door state, the beginning timing;
That is to say, when receiving the side door trigger message, the beginning timing;
Pass through radio communication between search module 64 and the induction recognizer 61; Dot its wireless connections relation among the figure;
The second time-delay control module 65 was used for before described timing arrives the second Preset Time, if do not search the signal that described induction recognizer sends, then control engine quits work;
That is to say, delay time behind described the second Preset Time, if do not search signal, then control engine quits work;
Second Preset Time of why will delaying time is that the car owner can not extinguish driving engine in order to protect the safety of self, can only get off under the coercing of car thief, by car thief car is driven away because when the car owner is coerced by car thief; So, this of time-delay the second Preset Time can be allowing the car owner run away, and car thief in this second Preset Time, has also been left certain distance, not more critical car owner's personal safety after getting on the bus; Preferably, this second Preset Time is generally 60 seconds;
At this moment, automobile has been left larger distance, even behind the engine off, car thief also can't be turned one's head critical car owner's personal safety again;
For a kind of preferred embodiment of above-mentioned control system for automobile, the below provides a kind of preferred electrical block diagram, referring to Fig. 7:
The 3rd signal receiver 013 connects power supply telltale 015 with the 3rd relay circuit 014, and this power supply telltale is connected in parallel on the ON line by circuit, wherein, and the 3rd signal receiver 013 built-in aerial; The 3rd signal receiver 013 connects respectively the 3rd relay circuit 014 and side door trigger circuit 016; Side door trigger circuit 016 connect side door trigger switch 017; The 3rd relay circuit 014 connects respectively antitheft time delay circuit 018 and Anti-robbery time delay circuit 019, and this antitheft time delay circuit 018 is connected on the connection lead between the 3rd signal receiver 13 and the 3rd relay circuit 014, and this Anti-robbery time delay circuit 019 and the 3rd relay circuit 014 form circulation loop; The 3rd relay circuit 014 connects the pull up circuit 020 that is used for start the engine;
In addition, this Anti-robbery circuit also has the effect of emergency switch, when induction recognizer et out of order (as do not have electricity, damage, when losing), the emergency switch that closes with by the 3rd relay circuit control Anti-robbery thrashing, thereby does not affect car owner's normal driving;
Like this, when the 3rd signal receiver receives the side door trigger message of side door trigger circuit transmission, by the 3rd relay circuit, control Anti-robbery time delay circuit the second Preset Time (namely 60 seconds) of delaying time, after the Anti-robbery time delay circuit is delayed time the second Preset Time, feed back to the 3rd relay circuit, the pull up circuit that control is used for start the engine disconnects; When the 3rd signal receiver does not search the signal that carries match information, if receive the driving engine trigger message, then control antitheft time delay circuit the first Preset Time (namely 30 seconds) of delaying time by the 3rd relay circuit, feed back to again the 3rd relay circuit after the time-delay, thereby be used for the pull up circuit disconnection of start the engine by the control of the 3rd relay circuit.
Above-described embodiment two, embodiment three, embodiment four can use separately, and the application that also can mutually combine is to realize better anti-theft and anti-robbing function.
Hence one can see that, and the control system for automobile that embodiment one provides can be realized anti-theft feature, engine starting warning function and Anti-robbery function when being applied in different scene; And, but each function system partial installation, split plays a role, thereby has increased the destruction difficulty of car thief; In addition, the small volume of the realization circuit of Anti-robbery function generally only has the little finger size, and disguise is stronger, can be installed on any position in the car.
Wherein, above-mentioned each module, the submodule in the utility model can use the data processing chips such as field programmable logic array (FPGA), CPLD (CPLD) to realize.
The various embodiment that the utility model provides can be as required in any way mutually combination, the technical scheme that obtains by this combination is also in scope of the present utility model.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also comprises these changes and modification interior.
Claims (10)
1. control system for automobile is characterized in that, comprising:
The induction recognizer is used for sending in real time signal to the vehicle of correspondence;
Search module is used for the signal that the described induction recognizer of real-time search sends;
Normal operation module is used for detecting the current state of vehicle, and being in corresponding normal operating condition according to the current state control vehicle of the vehicle that detects when searching the signal that described induction recognizer sends;
The anti-theft and anti-robbing module is used for detecting the current state of vehicle, and being in corresponding anti-theft and anti-robbing state according to the current state control vehicle of the vehicle that detects when not searching the signal that described induction recognizer sends.
2. control system for automobile as claimed in claim 1 is characterized in that, described normal operation module comprises:
The release submodule, be used for when the current state of the vehicle that detects be boot electronic lock and car door electronic lock when locked, control boot electronic lock and car door electronic lock and unlock.
3. control system for automobile as claimed in claim 1 is characterized in that, described anti-theft and anti-robbing module comprises:
The locking submodule, be used for when the current state of the vehicle that detects be boot electronic lock and car door electronic lock when unlocking, control boot electronic lock and car door electronic lock and lock, promote simultaneously vehicle window.
4. control system for automobile as claimed in claim 1 is characterized in that, described anti-theft and anti-robbing module comprises:
Survey the promoter module, the infrared detector that is used for installing in the control vehicle is opened;
The first warning submodule if be used for searching the infrared signal that described infrared detector detects, then controlled vehicle and is sent the first alerting signal;
Wherein, described infrared signal is to be produced by the mobile of object in the car.
5. control system for automobile as claimed in claim 4 is characterized in that, described normal operation module comprises:
Survey and close closed submodule, be used for when the current state of the vehicle that detects is described infrared detector unlatching, controls described infrared detector and closing.
6. control system for automobile as claimed in claim 1 is characterized in that, described anti-theft and anti-robbing module comprises:
The second warning submodule is used for then controlling vehicle and sending the second alerting signal when detecting the current state of vehicle and be fired state.
7. control system for automobile as claimed in claim 6 is characterized in that, described anti-theft and anti-robbing module further comprises:
The first timing submodule is used for starting timing after described the second warning submodule sends the second alerting signal;
The first time-delay control submodule is used for when timing arrives the first Preset Time length, and control engine quits work.
8. control system for automobile as claimed in claim 7 is characterized in that, described the first timing submodule is the first time delay circuit.
9. such as the described control system for automobile of claim 1-8 any one, it is characterized in that, this system further comprises:
The side door detection module is used for detecting the side door state after the control vehicle is in described normal operating condition;
The second timing module is opening if be used for detecting the side door state, the beginning timing;
The second time-delay control module was used for before described timing arrives the second Preset Time, if do not search the signal that described induction recognizer sends, then control engine quits work.
10. control system for automobile as claimed in claim 9 is characterized in that, described the second timing module is the second time delay circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220464725 CN202743205U (en) | 2012-09-12 | 2012-09-12 | Vehicular control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220464725 CN202743205U (en) | 2012-09-12 | 2012-09-12 | Vehicular control system |
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| CN202743205U true CN202743205U (en) | 2013-02-20 |
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| CN 201220464725 Expired - Fee Related CN202743205U (en) | 2012-09-12 | 2012-09-12 | Vehicular control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815280A (en) * | 2012-09-12 | 2012-12-12 | 徐万洪 | Car control method and system |
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- 2012-09-12 CN CN 201220464725 patent/CN202743205U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815280A (en) * | 2012-09-12 | 2012-12-12 | 徐万洪 | Car control method and system |
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