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CN1336297A - Digital registration plate for motor vehicle and its detection system and vehicle anti-fake method - Google Patents

Digital registration plate for motor vehicle and its detection system and vehicle anti-fake method Download PDF

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Publication number
CN1336297A
CN1336297A CN 00117287 CN00117287A CN1336297A CN 1336297 A CN1336297 A CN 1336297A CN 00117287 CN00117287 CN 00117287 CN 00117287 A CN00117287 A CN 00117287A CN 1336297 A CN1336297 A CN 1336297A
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China
Prior art keywords
vehicle
plate
data
power actuated
digital registration
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CN 00117287
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Chinese (zh)
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朱正怀
朱正懿
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Individual
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Individual
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Priority to CN 00117287 priority Critical patent/CN1336297A/en
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Abstract

The present invention relates to digital number plate of vehicle and its detecting system. Inside the digital number plate is instaleld with electron chip which includes processor, read-only storage, dynamic storage, microwave emitter, microwave receiver, waking timer, identifier discriminating region in which the base information of vehicle is wrote. The identification plate detecting system proceeds non contact R/W by microwave to determine true or faulse of vehicle.

Description

Power actuated vehicle digital registration plate and checking system thereof and vehicle method for anti-counterfeit
The present invention relates to a kind of vehicle Antiforge system and method, particularly power actuated vehicle digital registration plate and checking system thereof and the vehicle method for anti-counterfeit that utilizes this car plate and checking system.
The stolen problem of self-propelled vehicle is social now a great problem.Current management process to self-propelled vehicle is to utilize license plate number to manage now.But license plate number is very easily forged, and this gives and steal car, plunders, disposes of stolen goods, black market bargain has brought opportunity.Because existing car plate is simple in structure, very easily forge, steal and rob vehicle group and smuggling ring and be mostly the car plate that will forge or steal the car plate that comes to hang over the up state of the stolen car of robbing, smuggling and cross the mansion, unblocked; Sometimes owing to poor management, indivedual law enfrocement officials take bribes and bend the law, and collusion from both within and without is easy to send out family on the car plate; Because very easily in black market bargain, dispose of stolen goods easily in family on the false license plates, it is also easy to buy stolen goods; The traffic police on duty personnel can't carry out instant declaring to the vehicle in advancing and distinguish its legitimacy or illegal property.
Purpose of the present invention is exactly in order to overcome the above problems, a kind of power actuated vehicle digital registration plate and checking system thereof and vehicle method for anti-counterfeit are provided, solve the uniqueness and the unforgeable of car plate, and the traffic police on duty personnel are easy to running vehicle under the situation of not stopping, declare immediately and distinguish legitimacy or the illegal property of being looked into vehicle.
The present invention realizes that the scheme of above-mentioned purpose comprises a kind of power actuated vehicle digital registration plate and checking system and vehicle method for anti-counterfeit.
Described power actuated vehicle digital registration plate comprises the car plate body, car plate has license plate number on the surface, it is characterized in that: the material that described car plate body and function radio wave energy penetrates is made, packaged microwave electron chip is arranged in the car plate body, and it includes treater CPU, read only memory ROM, dynamic memory RAM, microwave transmitter, microwave receiver, wakeup time device, identifier cog region described microwave electron chip; The unique number of dispatching from the factory that a chip is arranged in the identifier cog region of each Sign Board; Store following various code among the described dynamic memory RAM: " ID code of vehicle ", car owner's identification card number, license plate number, Motor Number, vehicle frame number; Microwave transmitter, receiver are used for linking with external device, write the data in data or the read-out mark board in Sign Board; The wakeup time device is used to control " dormancy " and mode of operation conversion of Sign Board.
Described power actuated vehicle digital registration plate checking system is used for sending data to the power actuated vehicle digital registration plate, and also reception is from the acknowledge signal of anti-counterfeiting mark board, and it is characterized in that: it comprises digital circuit blocks, radio-frequency (RF) circuit module and antenna; Digital circuit blocks comprises control part and data demodulates part again, the radio-frequency (RF) circuit module modulate emission is to the data of anti-counterfeiting mark board, provide a continuous carrier to be used for the back scattering wave of anti-counterfeiting mark board, receive to conciliate and transfer from the back scattering wave signal of anti-counterfeiting mark board.
It is false proof that described method utilizes above-mentioned power actuated vehicle digital registration plate and power actuated vehicle digital registration plate checking system to carry out vehicle, it is characterized in that may further comprise the steps: 1) utilize power actuated vehicle digital registration plate checking system that the power actuated vehicle digital registration plate is detected, read wherein canned data, comprising: ID code of vehicle, car owner's identification card number, license plate number, Motor Number, vehicle frame number; 2) utilize detected signal to judge the legitimacy of vehicle.
The present invention writes an intelligentized electronic medium with critical physical data of power actuated vehicle and feature by computer technology owing to adopted such scheme, has solved the uniqueness and the unforgeable of car plate; Because native system adopts microwave technology, the law enfrocement official also can be under the situation of not stopping at remote (15 meters), detect with the shortest time and easy operating mode, also solved the traffic police on duty personnel and be easy to running vehicle under the situation of not stopping, declared immediately and distinguish legitimacy or the illegal property of being looked into vehicle; Because the uniqueness and the unforgeable of car plate, a car one board can significantly reduce black market bargain, sells stolen goods, buys stolen goods, controls from the source and steals the profit inducement of robbing vehicle, smuggling vehicle.
Fig. 1 is a power actuated vehicle digital registration plate function block diagram of the present invention.
Fig. 2 is an electronic mark board checking system read-write detecting unit function block diagram of the present invention.
Also the present invention is described in further detail in conjunction with the accompanying drawings below by specific embodiment.
One, digital registration plate:
Digital registration plate is the car plate body made from glass fibre or plastics steel of 47cm * 17cm size.Anti-folding, anticracking, crashproof, anti-temperature difference deformation, the radio wave energy penetrates.Wrongly written or mispronounced character of the blue end.
On the car plate body license plate number is arranged, China's car plate is with a Chinese character (representative province, municipality directly under the Central Government), 2 English words of 1 ∽ (representing the following area in city and city), 5 Arabic number of 4 ∽ (representing the car plate numbering).
At the embedded 10cm * 7cm packaged " microwave electron chip " (work in the 2.45GHZ frequency, or other frequencies, guarantee and in certain distance, can contactlessly read and write data) that is pressed into of car plate.Chip is active, and power supply has 5 year service life.
The functional block diagram of " microwave electron chip " is seen Fig. 1.Chip contains 8-bit microprocessor MCU, 4K byte ROM, 256K byte user RAM, clock recovery system, modulated backscattering wave transmitter, receiver, forward chaining 2.44GHZ central frequency DSSS, and the data transmission rate of forward chaining is 189K bps; Backward chaining is at 2.44GHZ, the above DPSK of subcarrier 596Khz, and the data transmission rate of backward chaining: 92Kbps, power are 300mw, are 15M with the communication distance of read-write equipment; Working temperature range is-40 ℃ to+85 ℃.
Write following data by the computing machine card sending system in " microwave electron chip ":
* the unique number of " chip "
* " Vehicle identification number " of uniqueness (comprising that world's originating firm identification code name, vehicle identification explanation part, vehicle indication are partly)
* license plate number
* car owner's cermet of identification
* Motor Number
* vehicle frame number
" Vehicle identification number " of uniqueness, license plate number, car owner's cermet of identification three item numbers are handled (time of a test key encryption should about 3mS) according to the test key of the unidirectional secret function algorithm of the essential SHF of employing.Alter according to not forging guaranteeing above three item numbers.
For guaranteeing a car one board, the front and back car plate promptly can not arbitrarily take off once installing and fixing, otherwise chip in data perturbation, can not decipher, also can't read.Its implementation is: a data self-destruction control end is arranged in the chip, at ordinary times, one on a resistance inserts crypto key memory, other end ground connection.When ground terminal destroys, the self-destruction control end is " virtual height " state, and the 48 bit encryption keys that produce at random in the key storage change, thus to the CPU/ memory device through the data encryption disorder of bus transfer to memory device/CPU, can not decipher, also can't read.There is the tested vehicle of this phenomenon to surely belong to the doubtful point vehicle, further detects the back and determine that it is legal or illegal.
Two, send data-signal and receive read/write checking system to " microwave electron chip " from " microwave electron chip " acknowledge signal.It comprises digital circuit blocks, radio-frequency (RF) circuit module and antenna; Digital circuit blocks comprises control part and data demodulates part again, the radio-frequency (RF) circuit module modulate emission is to the data of anti-counterfeiting mark board, provide a continuous carrier to be used for the back scattering wave of anti-counterfeiting mark board, receive to conciliate and transfer from the back scattering wave signal of anti-counterfeiting mark board.
Concrete as Fig. 2.The read/write checking system is made up of digital circuit blocks and radio-frequency (RF) circuit module two major parts: be divided into digital CCA and RFCCA, digital CCA partly is made up of control part and data demodulates; RFCCA finishes the data of modulate emission to the long-distance intelligent communication unit.Finishing provides a continuous wave to carry the back scattering wave that is used for the RIC unit; Finish to receive to conciliate and transfer from the back scattering wave signal of RIC unit.
Its main technical details is:
Forward chaining---
Master clock frequency: 19.075MHz
Data pass speed: 307.66bps (effectively 189.33K bps)
Frequency: 24.42GHZ
Modulation: filtering 00K
Emissive power: maximum 500mw (+27 decibel referred to one milliwatt)
Direct spread spectrum: cut apart for every 31
Cut apart speed: 9.537MHz/ second
Code length: 31
Error recovery/detection: 16 bit checks and 5 bit parity checks.
Demodulation techniques: diode detector
Backward chaining---
Data rate: 149bps (effectively 91.75K bps)
Frequency range: low section 24.18GHZ; Stage casing 24.42GHZ; High section 24.65GHZ
Modulation: back scattering wave differential phase keying (DPSK) subcarrier.
Subcarrier frequency: 596KHZ
Frequency agility: every section 75 numbers, 400KHZ at interval
Jump speed: each information once
Message length: conversion is up to 104 bytes
Receiving sensitivity: minimum-80 decibel referred to one milliwatts
Sub-carrier modulation: use the DSP differential phase keying (DPSK)
Error recovery: 16 bit checks and, 5 bit parity checks.
The gain of double antenna is 12db, can be in an angle of 90 degrees scope, and data message in the car plate when the reception speed of a motor vehicle is 20km/ on the vehicle.
Three, " microwave electron chip " initialization and personalized card sending system
Card sending system is made up of card sender and card sending system software, authorizes start simultaneously by subscriber authorisation password and power user's licencing key during hair fastener.Initialization and personalization system software comprise index number, distribution " microwave electron chip " and the management software that generates according to card number; Data query (browsing, check inquiry) software; Under adorn data software; The doubtful point vehicle data is handled (typing, generation data file, data query); Systemic-function: the configuration-system parameter, nullify, log off) software etc.
Four, automatic Recognition of License Plate system
Automatic Recognition of License Plate is to utilize fine resolution (1680 * 1280) digital camera as (KODAK290); Vehicle detector is as JAVEUN; The illumination photosensitive device, capture preceding license plate image or the back license plate image (comprising vehicle) that obtains vehicle as hardware devices such as WOC with [image processing and number-plate number identification software], appliance computer image acquisition/disposal system is carried out digitized processing to this image, orient symbols such as Chinese character above the car plate, numeral, letter, application mode identification and artificial intelligence technology automatically identify these symbols on the car plate again, and information such as the number-plate number that identifies, time that vehicle passes through, place are saved in the Computer Database.
Trigger--image acquisition--image recognition--image storage--image processing--image-erasing
The present the key technical indexes of automatic Recognition of License Plate system is:
The speed of a motor vehicle<20KM/ hour; Speed of response: 0.3 second/car; Be 1 second the averaging time of identification vehicle license plate; Correct recognition rata>95%;
Misclassification rate<5%; Reject rate is about about 3.5%.
Five, " doubtful point vehicle data storehouse "
Be security reason, adopt the DM2 data bank (operation scale and performance are roughly suitable with ORACLE7) of China's autonomous copyright.By U.S. Department of Defense's safe class standard, external UNIX, NT, the database security grades such as ORACLE, SYBASE of general-duty only are the C2 level now, and DM2 has reached the B1 level, presses on towards the security level of IBM main frame.
The function characteristics of DM2 is as follows: be the DEMS of client, support local and remote data processing function.Support the multiserver collaborative work, DM2 has the multithread scheduling processing capacity.Be supported in the operating system process and handle a plurality of users' services request.DM2 supports the work of multiserver concurrent collaborative, for the user provides transparent distribution inquiry and distribution or renewal.The security mechanism of DM2 has adopted the mechanism of separation of the three powers.Realized data base administrator, database security person, data bank auditor separation of the three powers, intersected and control, act in accordance with the division of their functions and duties.DM2 has realized the main function of distributed data base system, utility routines such as concurrent control, Deadlock Detection, fault recovery system monitoring are provided, the DM2 server is supported all data types of SQL92 standard, support is to data managements such as figure, images, DM2 supporting database storing process is supported local and remote data handing; The DM2 server can with C language and VB, VC language interface; DM2 allows to on-the-fly modify pattern, can revise pattern by ccasual after promptly data bank generates.
Another characteristic of DM2 data bank is the multimedia information management technology, can very conveniently set up complicated multimedia information management system efficiently.DM2 has expanded multimedia data type----picture data type IMAGE, provides stores processor to comprise the ability of complex objects such as figure, image and elongated literal.
Used the DM2 data bank just and done [doubtful point vehicle data storehouse], storage and processing:
1. data portion---
Stolen [vehicle electric cermet of identification] unique card number of robbing and smuggling illegal vehicle, ID code of vehicle of uniqueness, car owner's cermet of identification, car color, factory plate model, Motor Number, vehicle frame number etc.
2. figure, image are partly---
License plate image, license plate number, vehicle; Image is through the multimedia information management system of digitized processing with laggard DM2.
The server of DM2 data bank is placed on Traffic Warden Subteam (vehicle administration office) one-level, and user terminal then is placed in fixed type detection and the motor driven checking system microcomputer.
Six, the method for inspection of self-propelled vehicle digital registration plate checking system (utilizing the method for anti-counterfeit of digital registration plate)
Adopt double-channel to detect comparison simultaneously, declare the mode of distinguishing.
1. adopt the RFID technology, send an interrogation signal by " the microwave electron chip " of read/write detecting unit in car plate, write the unique number of chip, unique Vehicle identification number, three master datas of license plate number in the time of will individualizing by " microwave electron chip " again and reply to the read/write detecting unit.With the comparison of the corresponding data in [doubtful point vehicle data storehouse], as identical substantially, then to be looked into vehicle be " doubtful point vehicle " to preliminary judgement in the checking system microcomputer.Immediately take treatment measures, further compare all other data, finally declare and distinguish the illegal property of being looked into vehicle.
2. adopt the automatic Recognition of License Plate system
When being looked into vehicle and crossing sense channel, the ground sense coil of wire of automotive vehicle detector sends an induced signal, and device and system microcomputer start image candid photograph, collection, disposal system after testing.Clapped license plate image in 0.04 second time with image digitazation.Image processing and number-plate number recognition software system can automatically identify the character on the car plate in about 1 second time, obtain the number-plate number of this car.
The comparison of car plate has three kinds of modes:
A kind of is that the license plate number in " microwave electron chip " is compared with the doubtful point license plate number in [doubtful point vehicle data storehouse] in the on-the-spot detected vehicle license plate.
A kind of is that the license plate number in " microwave electron chip " is compared with the license plate number of on-the-spot tested vehicle in the on-the-spot tested vehicle car plate.
A kind of is license plate number [doubtful point vehicle data storehouse] interior license plate number comparison together of on-the-spot detected vehicle.
In the gangway, main thoroughfare, road and bridge fixed type check point such as gangway, expressway entrance and exit, gangway, critical point, system microcomputer enters network by modem, data bank.
On urban district, road, residential area etc. sets up motor driven to detect, system's dress of being about to will detect vehicle between advancing onboard, system microcomputer enters network by [long haul radio access system], data bank.

Claims (9)

1, a kind of power actuated vehicle digital registration plate, comprise the car plate body, car plate has license plate number on the surface, it is characterized in that: the material that described car plate body and function radio wave energy penetrates is made, packaged microwave electron chip is arranged in the car plate body, and described microwave electron chip includes treater CPU, read only memory ROM, dynamic memory RAM, microwave transmitter, microwave receiver, wakeup time device, identifier cog region; The unique number of dispatching from the factory that a chip is arranged in the identifier cog region of each Sign Board; Store following various code among the described dynamic memory RAM: " ID code of vehicle ", car owner's identification card number, license plate number, Motor Number, vehicle frame number; Microwave transmitter, receiver are used for linking with external device, write the data in data or the read-out mark board in Sign Board; The wakeup time device is used to control " dormancy " and mode of operation conversion of Sign Board.
2, power actuated vehicle digital registration plate as claimed in claim 1 is characterized in that: also have encryption device, " ID code of vehicle ", license plate number and car owner's cermet of identification data are encrypted, key is stored in the crypto key memory; Be provided with data self-destruction terminal in the Sign Board, the one end is connected on the crypto key memory through resistance, other end ground connection, and when meeting destruction or being taken away by force, the storage data disappear automatically.
3, power actuated vehicle digital registration plate as claimed in claim 1 or 2 is characterized in that: the material of described car plate body is glass fibre or plastics steel.
4, a kind of power actuated vehicle digital registration plate checking system, also reception is from the acknowledge signal of anti-counterfeiting mark board to be used for sending data to the power actuated vehicle digital registration plate, and it is characterized in that: it comprises digital circuit blocks, radio-frequency (RF) circuit module and antenna; Digital circuit blocks comprises control part and data demodulates part again, the radio-frequency (RF) circuit module modulate emission is to the data of anti-counterfeiting mark board, provide a continuous carrier to be used for the back scattering wave of anti-counterfeiting mark board, receive to conciliate and transfer from the back scattering wave signal of anti-counterfeiting mark board.
5, power actuated vehicle digital registration plate checking system as claimed in claim 4, it is characterized in that: also comprise the car plate automatic identification equipment, it comprises digital camera, image processing and number-plate number means of identification, the vehicle plate image that digital camera is captured is carried out digitized processing through image-processing system, send number-plate number means of identification.
6, as claim 4 or 5 described power actuated vehicle digital registration plate checking systems, it is characterized in that: also comprise doubtful point vehicle data storehouse, the data of wherein storing the doubtful point vehicle.
7, a kind of described power actuated vehicle digital registration plate of claim 1 and the described power actuated vehicle digital registration plate of claim 4 checking system of utilizing carries out the false proof method of vehicle, it is characterized in that may further comprise the steps: 1) utilize power actuated vehicle digital registration plate checking system that the power actuated vehicle digital registration plate is detected, read wherein canned data, comprising: ID code of vehicle, car owner's identification card number, license plate number, Motor Number, vehicle frame number; 2) utilize detected signal to judge the legitimacy of vehicle.
8, vehicle method for anti-counterfeit as claimed in claim 7 is characterized in that: encrypted " ID code of vehicle ", license plate number and car owner's cermet of identification data are decrypted; With the contrast of the data in resulting vehicle data and the doubtful point vehicle data storehouse, whether be the doubtful point vehicle to differentiate.
9, as claim 7 or 8 described vehicle method for anti-counterfeit, it is characterized in that: when utilizing power actuated vehicle digital registration plate checking system that the power actuated vehicle digital registration plate is detected, utilize automatic Recognition of License Plate that the license plate number on the car plate body is discerned automatically, and the number-plate number and the detected number of digital registration plate checking system that recognizes compared.
CN 00117287 2000-07-27 2000-07-27 Digital registration plate for motor vehicle and its detection system and vehicle anti-fake method Pending CN1336297A (en)

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Application Number Priority Date Filing Date Title
CN 00117287 CN1336297A (en) 2000-07-27 2000-07-27 Digital registration plate for motor vehicle and its detection system and vehicle anti-fake method

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Application Number Priority Date Filing Date Title
CN 00117287 CN1336297A (en) 2000-07-27 2000-07-27 Digital registration plate for motor vehicle and its detection system and vehicle anti-fake method

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1922054B (en) * 2004-02-26 2010-06-23 佛莱迪米亚·乔万诺维奇 Wireless electronic license plate system
CN101976371A (en) * 2010-09-27 2011-02-16 刘海涛 Intelligent electronic number plate with double storage modules
CN106778716A (en) * 2017-03-29 2017-05-31 天津永兴泰科技有限公司 Internet of Things license plate system and device
CN106529619B (en) * 2016-10-25 2018-04-10 罗伟坚 Detect the positive pseudo- method and system of motor vehicle identity
CN109476262A (en) * 2016-05-13 2019-03-15 3M创新有限公司 Anti-counterfeiting detection is carried out to optical activity product using security factor
CN110705661A (en) * 2019-09-27 2020-01-17 刘海涛 Double-storage module intelligent electronic license plate
CN114724382A (en) * 2021-01-06 2022-07-08 宝能汽车集团有限公司 License plate identification method, license plate identification device and license plate identification system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1922054B (en) * 2004-02-26 2010-06-23 佛莱迪米亚·乔万诺维奇 Wireless electronic license plate system
CN101976371A (en) * 2010-09-27 2011-02-16 刘海涛 Intelligent electronic number plate with double storage modules
CN109476262A (en) * 2016-05-13 2019-03-15 3M创新有限公司 Anti-counterfeiting detection is carried out to optical activity product using security factor
CN109476262B (en) * 2016-05-13 2022-04-26 3M创新有限公司 Anti-counterfeit detection of optically active articles using security elements
CN106529619B (en) * 2016-10-25 2018-04-10 罗伟坚 Detect the positive pseudo- method and system of motor vehicle identity
CN106778716A (en) * 2017-03-29 2017-05-31 天津永兴泰科技有限公司 Internet of Things license plate system and device
CN110705661A (en) * 2019-09-27 2020-01-17 刘海涛 Double-storage module intelligent electronic license plate
CN114724382A (en) * 2021-01-06 2022-07-08 宝能汽车集团有限公司 License plate identification method, license plate identification device and license plate identification system

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