CN201142112Y - Vehicle safety drive reminding instrument - Google Patents
Vehicle safety drive reminding instrument Download PDFInfo
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- CN201142112Y CN201142112Y CNU2008200784644U CN200820078464U CN201142112Y CN 201142112 Y CN201142112 Y CN 201142112Y CN U2008200784644 U CNU2008200784644 U CN U2008200784644U CN 200820078464 U CN200820078464 U CN 200820078464U CN 201142112 Y CN201142112 Y CN 201142112Y
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 45
- 235000020071 rectified spirit Nutrition 0.000 claims description 26
- 238000012545 processing Methods 0.000 claims description 23
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- 206010039203 Road traffic accident Diseases 0.000 abstract description 2
- 230000001788 irregular Effects 0.000 abstract 2
- 206010016256 fatigue Diseases 0.000 description 18
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Abstract
The utility model provides a suggestive apparatus for car safe operation, which includes a camera, a mini alcohol strength detector and a monitoring host computer. The monitoring host computer is wire-linked with the camera arranged in the car, and is wireless-linked with the mini alcohol strength detector. The suggestive apparatus for car safe operation provided by the utility model can distinguish the face and the facial expression of a driver, count the continuous time, monitor the degree of fatigue of the driver, detect the running state of the car, detect the alcohol strength in the driver body, voice-prompt and record the unsafe and irregular driving information of the driver, gather the unsafe and irregular driving records of the driver via the wireless access technology, conduce to safety education and punishment on the driver for the traffic managerial department, finally improve the degree of safety in car driving, and reduce traffic accidents. In addition, an ultrasonic backing suggestive device interface is reserved.
Description
Technical field
The utility model relates to a kind of automotive safety technology, particularly a kind of vehicle security drive prompting instrument.
Background technology
Since latter stage, along with the development of transportation, large quantities of highways are built from the eighties, and the motor vehicles recoverable amount increases sharply, and the road accident rate ascendant trend is obvious.Statistical information shows that fatigue driving and the accident that causes after drinking account for more than 50%, wherein belongs to personnel casualty accidents more than 70%.Traffic hazard is one of key factor of modern society threat human life, and public security traffic control department goes into overdrive vehicle is monitored every year, and automotive safety is that automotive field increases one of the most powerful demand.
The running car unsafe factor mainly comprises two aspects, is driver's subjective factor on the one hand, as bad driving mood, and health and mental status tired out; Be from the outer objective factor of car, as pedestrian, vehicle-state etc. on the other hand.
Safe DAS (Driver Assistant System) is the important channel of alleviating current international traffic obstruction and higher two problems of road accident rate.It mainly helps the driver safety steering vehicle from three aspects, by detecting driver's duty and vehicle performance parameter, the prompting driver; Secondly, by aut.eq. is installed, help the driver to avoid traffic accident; At last, be exactly that facility and the rehabilitation device of alleviating the traffic hazard extent of injury is installed.
The utility model content
For satisfying the demand, the utility model provides a kind of and can warn in advance, in order to the vehicle security drive prompting instrument of the security that improves car steering and the behavior that cooperates the standard driver of traffic control department.
The utility model vehicle security drive prompting instrument comprises camera and mini-size neutral spirit concentration detector, wherein: at indoor installation one monitoring host computer of car steering, be contained in camera, wireless connections mini-size neutral spirit concentration detector in the pilothouse by wired connection.
The utility model vehicle security drive prompting instrument, wherein: described monitoring host computer is by digital signal processor, wireless transceiver circuit, alcohol probe and loudspeaker are formed, be divided into the collection modular converter in the described digital signal processor, people's face detection module, face recognition module, the driver fatigue detection module, data processing module, timer module, the alcohol concentration detection module, false proof module of voice cue module mini-size neutral spirit and violation and the logging modle of travelling, described collection modular converter connects described camera outward, in connect described people's face detection module and driver fatigue degree detection module, described people's face detection module connects data processing module by face recognition module, described driver fatigue detection module connects data processing module, described data processing module connects described transport condition detection module respectively, timer module, the alcohol concentration detection module, voice cue module, false proof module of mini-size neutral spirit and violation and the logging modle of travelling, described data processing module also connects a reversing module interface, described alcohol probe connects described alcohol concentration detection module, described violation is connected described wireless transceiver circuit respectively with the false proof module of logging modle and mini-size neutral spirit of travelling, and described voice cue module connects loudspeaker.
The utility model vehicle security drive prompting instrument, wherein: described mini-size neutral spirit concentration detector is made up of gas pressure sensor, alcohol concentration sensor, single-chip microcomputer and wireless transceiver circuit, described gas pressure sensor is connected single-chip microcomputer respectively with alcohol concentration sensor, described single-chip microcomputer connects wireless transceiver circuit, and the outside design of described mini-size neutral spirit concentration detector has equipment figure identity code.
The utility model vehicle security drive prompting instrument, wherein: in the described monitoring host computer accelerometer is set, the transport condition detection module is set in the described digital signal processor, described transport condition detection module connects described data processing module and accelerometer respectively.
The utility model vehicle security drive prompting instrument, wherein: described data processing module also connects a reversing module interface, and described reversing processing module interface connects a radar for backing car sensor groups.
The utility model vehicle security drive prompting instrument, people's face and facial expression that can identification of driver, and by continuously, intermittently drive the time, monitoring driver's degree of fatigue, detect the transport condition of vehicle, start the preceding driver's of detection of vehicle the interior alcohol concentration of body, voice suggestion is also write down driver's dangerous driving information, and pass through wireless access technology, compile the dangerous of driver and violation drive recorder, so that traffic control department carries out safety education and punishment to the driver, finally improve the car steering safe coefficient, reduce traffic hazard.In addition, also reserve ultrasound wave reversing suggestion device interface.
Description of drawings
Fig. 1 is the topological diagram of the utility model vehicle security drive prompting instrument;
Fig. 2 is the circuit block diagram of the utility model vehicle security drive prompting instrument;
Fig. 3 is the false proof circuit theory diagrams of alcohol of the utility model vehicle security drive prompting instrument.
Embodiment
For further setting forth the utility model vehicle security drive prompting instrument, do more detailed explanation below in conjunction with embodiment.
The utility model vehicle security drive prompting instrument, by the camera that is contained in the car, monitoring host computer, form (see figure 1) with the mini-size neutral spirit concentration detector of monitoring host computer wireless connections, monitoring host computer is by digital signal processor, wireless transceiver circuit, alcohol probe and loudspeaker are formed (see figure 2), be divided into the collection modular converter in the digital signal processor, people's face detection module, face recognition module, the driver fatigue detection module, data processing module, timer, the alcohol concentration detection module, false proof module of voice cue module mini-size neutral spirit and violation and the logging modle of travelling, gather modular converter and connect camera outward, in connect people's face detection module and driver fatigue degree detection module, people's face detection module connects data processing module by face recognition module, the driver fatigue detection module connects data processing module, data processing module connects the transport condition detection module respectively, timer, the alcohol concentration detection module, voice cue module, false proof module of mini-size neutral spirit and violation and the logging modle of travelling, data processing module also connects a reversing module interface, the alcohol probe connects the alcohol concentration detection module, be connected wireless transceiver circuit respectively with the false proof module of logging modle and mini-size neutral spirit of travelling in violation of rules and regulations, voice cue module connects loudspeaker.
The mini-size neutral spirit concentration detector is formed (see figure 3) by gas pressure sensor, alcohol concentration sensor, single-chip microcomputer and wireless transceiver circuit, described gas pressure sensor is connected single-chip microcomputer respectively with alcohol concentration sensor, single-chip microcomputer connects wireless transceiver circuit, and the design of mini-size neutral spirit concentration detector outside has equipment figure identity code.
In the utility model, to driver identity identification checking, detect driver's frequency of wink and driving time continuously, judging whether can safe driving, by the prompting driver generation of preventing accident, and by threshold value being set as examination criteria.If surpass threshold value, do in violation of rules and regulations and handle, note, by wireless transmission the violation data are passed to traffic control department.
Its concrete workflow is seen Fig. 2.Behind the automobile starting, gather driver's video image earlier, carry out people's face and detect, face tracking is discerned people's face, if judge the fresh driver, registers and set up this driver's database data.Previous drive recorder to this driver is judged, if record is arranged, this driver's previous drive recorder is judged, still is in fatigue state if determine, and prompting is stopped.If the driver after prompting is stopped, is not stopped, surpass certain hour, system is judged to be fatigue and drives, and regularly the driver is verified the driver's that upgrades in time data.Previous drive recorder to this driver is judged, still is in the state of not waking up after drinking if determine, and prompting is stopped.If the driver after prompting is stopped, is not stopped, surpass certain hour, system is judged to be and drives when intoxicated, and regularly the driver is verified the driver's that upgrades in time data.Previous drive recorder to this driver is judged, if the driver is in healthy driving condition, starts the fatigue detecting module, and to alcohol concentration detection in the compartment, if exceed standard, the prompting driver is stopped and carried out alcohol content detection in driver's body; Detect if exceed standard, record driver genus is driven when intoxicated, and prompting is changed the driver or stopped and has a rest.
The principle of work of driver fatigue degree detection module
At first judge driving Time of Day record the driving driver, when twice drive time of this driver exceeds the legal time of having a rest at interval, tired timer zero clearing, surpassing the appointed time need continue timing to specific timer, improves the efficient of program by adding a series of zone bits during the practical programs operation.
The percentage, the frequency of wink that surpass special time by the eyes closed time to the driver detect degree of fatigue.
Frequency of wink estimation degree of fatigue experimental formula:
f＝(a/x)+b
A represents a people's normal number of winks, and we obtain empirical data a=27 through experiment, is 27 times/minute by experiment people's number of winks promptly, and x is exactly a fatigue strength.Relation between frequency of wink f and the fatigue strength x often is subjected to the influence of parameter b.When x＜1.5, penalty coefficient b=0; When 1.5＜=x＜4, penalty coefficient b=3; When 4＜=x＜8, penalty coefficient b=2; When x＞=8, penalty coefficient b just is 0.
The f value surpasses at 80% o'clock the driver is carried out voice suggestion, and detects the continuous driving of driver above the fixed time, the voice warning driver, and make record in violation of rules and regulations.
The multiaxis accelerometer: the running car condition detection is judged automobile starting, is stopped, quickening, slow down by the multiaxis accelerometer, and travelling of vehicle carried out record, and writes down corresponding driver's data.
Accelerometer belongs to high-precision sensor, according to test its output valve is revised, and the document of revised result and accelerometer contrasts, and meets scope as exporting (filtering) the row-coordinate conversion of going forward side by side.By integral algorithm, draw the parameter of travelling of automobile.
Radar reversing module mainly is to be used for detecting the module of vehicle apart from the rear obstacle distance.Spare interface in the system can be selected for use.
Vehicle is apart from the obstacle distance detection method:
Utilize ultrasound wave to record the distance of vehicle and barrier in real time, and the distance of test is delivered to signal processor.Ultrasonic signal is sent by the output port of processor, amplify through level translator, another delivery outlet detects the mistiming that receives signal, the distance of computed range barrier, by light emitting diode combined or LCDs mode range of a signal, when the distance that tests out is lower than threshold value, the sound and light alarm prompting.
Data processing module:
Set up data file, preserve the travel situations of vehicle, driver's feature, the startup moment of driving, cut-off time.Traffic violation person's face feature, license plate number (with the binding of equipment identities identification code), the rest data of each driver in the time recently, and automobilism but machine are cut off the zero-time date (machine has built-in power) of external power supply and wait and illegally brokenly beltly be.
The principle of work of alcohol concentration detector and alcohol detection image false-proof (seeing Fig. 4, Fig. 5):
Adopt the mini-size neutral spirit concentration detector.This detector separates with supervision subjects, and the mini-size neutral spirit concentration detector is by wireless mode and supervision subjects communication.
The formation of mini-size neutral spirit concentration detector is by draft tube, and alcohol is popped one's head in, flow sensor, and gas pressure sensor, analog-digital converter is formed.
Driver's breath enters from draft tube, detects the pressure of the gas that the driver oral cavity blows out by gas pressure sensor, converts the gas flow that passes through to, differentiates the amount of driver blow gas; In conjunction with alcohol sensor sample detecting alcohol concentration, and be converted to digital signal by analog-digital converter.Analyze the amount and the sample detecting alcohol concentration value of blow gas and calculate the interior alcohol content of driver's body.
For false proof, the concentration detection module posts equipment figure identity code behind, detects by video image and judges the true and false.
At first gather the driver carries out alcohol detection with the alcohol concentration concentration detector video image, by face tracking, recognition of face, write down current information of carrying out the driver of alcohol detection, and, be used to discern the mini-size neutral spirit concentration detector by gathering specific mini-size neutral spirit concentration detector recognition image.Simultaneously, driver's breath enters from particular microchannel alcohol concentration detector draft tube, detect the pressure of the gas that the driver oral cavity blows out by gas pressure sensor, through alcohol sensor sampled measurements alcohol concentration, send to processor by unlimited transmission mode, judge in conjunction with the facial image of gathering whether alcohol content exceeds standard in driver's body.Driver's breath intensity is detected by gas pressure sensor, if intensity does not reach standard, voice suggestion detects again.When being in low electric weight, transmit a signal to the prompting instrument, the loudspeaker prompting user by the prompting instrument in time changes mini-size neutral spirit concentration detector battery.
Prevent barbarous destruction
Compare by the recording unit on annual limited annuity inspection consultation record and the car, and regularly in the whether operate as normal of crossing sampling check vehicle security drive prompting instrument, but the wireless transmitter module of low-power consumption detects near the communication apparatus of unusual fixed time broadcast sending data to.
Data acquisition:
Wireless data write down exactly system data, be respectively: driver's numbering, feature number, running time date, date time of having a rest, data, contact method in violation of rules and regulations.
Driver's numbering: the driver numbers in monitoring host computer.
Feature number: record driver's characteristic image.
The running time date: the time parameter of record running car.
Date time of having a rest: the time parameter that the record automobile stops.
The violation data: record is type and Time of Day in violation of rules and regulations.
The violation data that traffic control department transmits by the data collection point collection vehicle of setting up at the traffic main crossroads.The utility model adopts the ultrahigh frequency communication, transmits each driver's of this vehicle violating the regulations, information warning is distributed in the crossing to traffic control department data acquisition system (DAS).Communication module is by serial peripheral interface communication mode connection processing device.
Traffic control department notifies client violating the regulations by modes such as note, phone, mails, behind the penalty note vehicle-mounted data is carried out mark.
The utility model provides a kind of driver's of detection the people's face and the face identification system of facial expression, and by the continuous driving time, monitoring driver's degree of fatigue, detect the transport condition of vehicle, start alcohol concentration in the body that detects the driver before the vehicle, voice suggestion is also write down driver's dangerous driving information, and pass through wireless access technology, compile the dangerous of driver and violation drive recorder, so that traffic control department carries out safety education and punishment to the driver.In addition, also reserve ultrasound wave reversing suggestion device interface.
Claims (6)
1, a kind of vehicle security drive prompting instrument, comprise camera and mini-size neutral spirit concentration detector, it is characterized in that:, be contained in camera, wireless connections mini-size neutral spirit concentration detector in the pilothouse by wired connection at indoor installation one monitoring host computer of car steering.
2, vehicle security drive prompting instrument according to claim 1, it is characterized in that: described monitoring host computer is by digital signal processor, wireless transceiver circuit, alcohol probe and loudspeaker are formed, be divided into the collection modular converter in the described digital signal processor, people's face detection module, face recognition module, the driver fatigue detection module, data processing module, timer module, the alcohol concentration detection module, voice cue module, false proof module of mini-size neutral spirit and violation and the logging modle of travelling, described collection modular converter connects described camera outward, in connect described people's face detection module and driver fatigue degree detection module, described people's face detection module connects data processing module by face recognition module, described driver fatigue detection module connects data processing module, described data processing module connects described transport condition detection module respectively, timer module, the alcohol concentration detection module, voice cue module, false proof module of mini-size neutral spirit and violation and the logging modle of travelling, described data processing module also connects a reversing module interface, described alcohol probe connects described alcohol concentration detection module, described violation is connected described wireless transceiver circuit respectively with the false proof module of logging modle and mini-size neutral spirit of travelling, and described voice cue module connects loudspeaker.
3, vehicle security drive prompting instrument according to claim 2, it is characterized in that: described mini-size neutral spirit concentration detector, form by gas pressure sensor, alcohol concentration sensor, single-chip microcomputer and wireless transceiver circuit, described gas pressure sensor is connected single-chip microcomputer respectively with alcohol concentration sensor, described single-chip microcomputer connects wireless transceiver circuit, and the outside design of described mini-size neutral spirit concentration detector has equipment figure identity code.
4, vehicle security drive prompting instrument according to claim 3, it is characterized in that: in the described monitoring host computer accelerometer is set, the transport condition detection module is set in the described digital signal processor, and described transport condition detection module connects described data processing module and and accelerometer respectively.
5, vehicle security drive prompting instrument according to claim 4, it is characterized in that: described data processing module also connects a reversing module interface, and described reversing processing module interface connects a radar for backing car sensor.
6, vehicle security drive prompting instrument according to claim 5 is characterized in that: described violation is travelled will break rules and regulations to write down after logging modle connection wireless transceiver circuit regularly is triggered and is sent to server violating the regulations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200784644U CN201142112Y (en) | 2008-01-08 | 2008-01-08 | Vehicle safety drive reminding instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008200784644U CN201142112Y (en) | 2008-01-08 | 2008-01-08 | Vehicle safety drive reminding instrument |
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| CN201142112Y true CN201142112Y (en) | 2008-10-29 |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957353A (en) * | 2009-07-17 | 2011-01-26 | 彭钢 | multifunctional capacity-for-liquor comparing and monitoring device and method |
| CN102029909A (en) * | 2010-12-06 | 2011-04-27 | 无锡文美科技有限公司 | Intelligent traffic safety system for avoiding drunk driving |
| CN102555804A (en) * | 2012-02-21 | 2012-07-11 | 浙江吉利汽车研究院有限公司 | Drunk driving prevention control system of automatable and control method |
| CN101624015B (en) * | 2009-06-29 | 2013-10-16 | 浙江理工大学 | Drunk-driving-resistant vehicle system capable of recognizing drunken driver |
| TWI419804B (en) * | 2008-11-28 | 2013-12-21 | Chi Mei Comm Systems Inc | A drive safety monitoring device and method |
| TWI424379B (en) * | 2010-08-23 | 2014-01-21 | Univ Ishou | Vehicle anti - drowsiness system and its method |
| CN104900011A (en) * | 2015-05-26 | 2015-09-09 | 贵州大学 | Alarming method for preventing fatigue driving of motor vehicle through iris identifying and alarming system |
| CN106097657A (en) * | 2016-08-09 | 2016-11-09 | 乐视控股（北京）有限公司 | A kind of based reminding method, device and vehicle |
| CN106373388A (en) * | 2016-10-25 | 2017-02-01 | 先锋智道（北京）科技有限公司 | Vehicle management method, device and system |
| CN106571133A (en) * | 2015-10-12 | 2017-04-19 | 百度在线网络技术（北京）有限公司 | Speech recognition-based brake instruction generation method and device and vehicle-mounted system |
| CN108010272A (en) * | 2017-12-25 | 2018-05-08 | 芜湖宏景电子股份有限公司 | A kind of fatigue drive prompting device |
| CN108357488A (en) * | 2018-04-18 | 2018-08-03 | 安徽安凯汽车股份有限公司 | A kind of hybrid electric vehicle driver leaves the post to warn and protect system |
| CN108734941A (en) * | 2018-07-09 | 2018-11-02 | 利辛县江淮扬天汽车有限公司 | A kind of informationization body of a motor car safety detection device |
| CN109859438A (en) * | 2019-01-30 | 2019-06-07 | 北京津发科技股份有限公司 | Safe early warning method, system, vehicle and terminal device |
| CN109965889A (en) * | 2019-04-01 | 2019-07-05 | 北京理工大学 | A kind of method for detecting fatigue driving using smart phone loudspeaker and microphone |
| CN110570623A (en) * | 2018-06-05 | 2019-12-13 | 宁波欧依安盾安全科技有限公司 | An Unsafe Behavior Prompt System |
| CN110733342A (en) * | 2019-11-22 | 2020-01-31 | 浙江梵隆汽车部件有限公司 | automobile steering wheel with detection system and detection method thereof |
-
2008
- 2008-01-08 CN CNU2008200784644U patent/CN201142112Y/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI419804B (en) * | 2008-11-28 | 2013-12-21 | Chi Mei Comm Systems Inc | A drive safety monitoring device and method |
| CN101624015B (en) * | 2009-06-29 | 2013-10-16 | 浙江理工大学 | Drunk-driving-resistant vehicle system capable of recognizing drunken driver |
| CN101957353A (en) * | 2009-07-17 | 2011-01-26 | 彭钢 | multifunctional capacity-for-liquor comparing and monitoring device and method |
| TWI424379B (en) * | 2010-08-23 | 2014-01-21 | Univ Ishou | Vehicle anti - drowsiness system and its method |
| CN102029909A (en) * | 2010-12-06 | 2011-04-27 | 无锡文美科技有限公司 | Intelligent traffic safety system for avoiding drunk driving |
| CN102029909B (en) * | 2010-12-06 | 2015-10-21 | 无锡文美科技有限公司 | A kind of Intelligent traffic safety system for avoiding drunk driving |
| CN102555804A (en) * | 2012-02-21 | 2012-07-11 | 浙江吉利汽车研究院有限公司 | Drunk driving prevention control system of automatable and control method |
| CN104900011A (en) * | 2015-05-26 | 2015-09-09 | 贵州大学 | Alarming method for preventing fatigue driving of motor vehicle through iris identifying and alarming system |
| CN106571133A (en) * | 2015-10-12 | 2017-04-19 | 百度在线网络技术（北京）有限公司 | Speech recognition-based brake instruction generation method and device and vehicle-mounted system |
| CN106097657A (en) * | 2016-08-09 | 2016-11-09 | 乐视控股（北京）有限公司 | A kind of based reminding method, device and vehicle |
| CN106373388A (en) * | 2016-10-25 | 2017-02-01 | 先锋智道（北京）科技有限公司 | Vehicle management method, device and system |
| CN108010272A (en) * | 2017-12-25 | 2018-05-08 | 芜湖宏景电子股份有限公司 | A kind of fatigue drive prompting device |
| CN108357488A (en) * | 2018-04-18 | 2018-08-03 | 安徽安凯汽车股份有限公司 | A kind of hybrid electric vehicle driver leaves the post to warn and protect system |
| CN110570623A (en) * | 2018-06-05 | 2019-12-13 | 宁波欧依安盾安全科技有限公司 | An Unsafe Behavior Prompt System |
| CN108734941A (en) * | 2018-07-09 | 2018-11-02 | 利辛县江淮扬天汽车有限公司 | A kind of informationization body of a motor car safety detection device |
| CN109859438A (en) * | 2019-01-30 | 2019-06-07 | 北京津发科技股份有限公司 | Safe early warning method, system, vehicle and terminal device |
| CN109965889A (en) * | 2019-04-01 | 2019-07-05 | 北京理工大学 | A kind of method for detecting fatigue driving using smart phone loudspeaker and microphone |
| CN110733342A (en) * | 2019-11-22 | 2020-01-31 | 浙江梵隆汽车部件有限公司 | automobile steering wheel with detection system and detection method thereof |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20081029 |
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| CX01 | Expiry of patent term |