CN1133123C - Driving test system for driver - Google Patents

Driving test system for driver Download PDF

Info

Publication number
CN1133123C
CN1133123C CN 00123645 CN00123645A CN1133123C CN 1133123 C CN1133123 C CN 1133123C CN 00123645 CN00123645 CN 00123645 CN 00123645 A CN00123645 A CN 00123645A CN 1133123 C CN1133123 C CN 1133123C
Authority
CN
China
Prior art keywords
examination
place
signal
ground
road
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 00123645
Other languages
Chinese (zh)
Other versions
CN1282029A (en
Inventor
许维健
邹行德
宋立昌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 00123645 priority Critical patent/CN1133123C/en
Publication of CN1282029A publication Critical patent/CN1282029A/en
Application granted granted Critical
Publication of CN1133123C publication Critical patent/CN1133123C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Traffic Control Systems (AREA)

Abstract

The present invention relates to a driving test system for a motor vehicle driver on a road, which comprises a vehicular system and a road system, wherein a central processor of the vehicular system is connected with a liquid crystal display screen, a keyboard, a printer, a voltage halt monitor, a speech prompting device, an interface circuit, a ground surface sensor, two ground signal receivers, a speed sensor, an engine sensor, a brake sensor and a back action sensor. A mark signal generator of the road system is respectively connected with a signal lamp and a ground signal transmitter which is connected with a road section information generator, and the ground surface sensor is connected with a ground surface sensing receiver through a magnetic field. Because the present invention is additionally provided with the road system, the vehicle control capability, the traffic law and regulation understanding capability and the judging and processing capability for various road conditions and obstacles of a driver can be tested, and a language prompting device can be used for communicating with students in time.

Description

Driving test system for driver
The present invention relates to a kind of examination system, especially relate to driving test system for driver a kind of robotization, computer evaluating.Type of the present invention belongs to automobile driver driving test monitoring and control technology.
According to the regulation of the Ministry of Public Security, the examination of automobile driver is divided into three subjects, and promptly subject one: theory examination (being called for short reason examines); Subject two: place examination (being called for short stake examines); Subject three: road examination (abbreviation road test).For preceding two subjects, domestic many producers (company) release computing machine examination and points-scoring system, and be applied to vast driver and examine department, advanced the robotization of driver's examination, human and material resources have been saved, improve efficient, and helped the construction of a clean government of relevant functional department, received good society and economy benefit.But in road test, mostly drive the pipe department of artificial examination mode traditional backwardness still follows in to(for) the road test of automobile driver.Old examination mode disadvantage is conspicuous: it is subjected to the interference of human factor easily, and examination lacks fairness, unitarity.
Robotization road test technology can not obtain popularizing reason in an all-round way always and be: in road test, because big, the randomness in examination place is strong, involve a wide range of knowledge, the road test system of domestic many units development more or less exists defective, has hindered implementing in full of road test automatic technology.As application number be: 90107979 denominations of invention are: Computerized comprehensive monitor system for driving examination, though examine and loaded computing machine and various sensor on the car, can realize the automatic judgement of driver's multi-mode operation, but on the examination road surface, corresponding sensing device is not set, examine car can't know through all information in highway section, as whether being the crossroad, whether signal lamp is arranged, whether lines are arranged, whether traffic violation (as is made a dash across the red light in driver's driving procedure thereby can't evaluate and test, roll lines, turn right and do not enter right-turn lane etc.), and the traffic law examination is a big event of automobile driver examination, and the automatic evaluation and test that lacks this has had a strong impact on the practicality of this invention.Secondly, examination person is absorbed in driving and observes the road surface situation with the student in road test, at any time preparing to deal with various situations, can not watch attentively for a long time in vehicle-mounted monitoring screen or other indication facilities, also is a defective that influences this invention practicality so lack voice suggestion.Once more, though computer technology is maked rapid progress, road conditions is ever-changing, and student's operation also varies with each individual.So computing machine can't replace examination person's all operations fully at present, and foregoing invention does not leave the artificial interface of passing judgment on of examination person, has influenced the practicality of this invention yet.At last, the Ministry of Public Security has issued the new automobile driver method of examination, and road examination has been proposed new regulation and requirement, and some part of this invention can not satisfy new examination demand.
The objective of the invention is to: design and a kind ofly not only have onboard system and also be provided with roadnet, speech prompting system, examination person judges that manually student's various wrong interfaces and examination system can be provided with examination highway section and and the driving test system for driver of every false judgment according to relevant regulations.
The present invention is achieved in that it comprises onboard system and roadnet, and the place sender unit of roadnet sends information and will be received by the place signal receiver of onboard system by send wireless signal with radio frequency or infrared mode.And onboard system comprise central processing unit it respectively with LCD screen, keyboard, printer, voltage, deadlock monitoring, voice prompting device and interface circuit are connected, and interface circuit respectively with ground sensing receiver, place signal receiver, velocity pick-up, engine sensing, brake sensing, reverse gear sensing are connected; The marker generator of roadnet respectively with signal lamp, the place sender unit connects, the road section information generator connects the place sender unit, ground transaucer links to each other with ground sensing receiver by magnetic field.
Described examination place subsurface is buried the sensor of promising magnetic material underground, examine car wheel inside front and bumper below ground sensing receiver is installed, this be one at a distance near detector, can detect the magnetic signal that ground transaucer sends at a distance apace, realize examining the accurate judgement of car position.Examine and be furnished with the place signal generator on the bus or train route section, with radio frequency or infrared mode transmit coded signals, examine place signal receiver received RF or infrared coding are installed on the car front bumper, obtain after the decoding and examine car and sail through the place in highway section traffic sign signal message, the place sender unit is the portable, battery powered structure.Examine voice prompting device is installed on the car, examination person's instruction and various operation and miscue are all sent by prompting device between language, wrong project is strong to be realized writing down and deduction of points the mistake that can not differentiate automatically in the examination by manually selecting on the keyboard, the judgement of examining the car stop position is the ratio of the transmission shaft rotating speed that records of the engine speed that records by the calculation engine sensor and speed pickup, searches that the gear ratio of each gear of motor vehicle realizes.
The present invention and prior art compare, and the advantage that has is:
At first, it not only has onboard system, also be provided with roadnet, the two is in conjunction with the ability that can examine the pilot control vehicle, to the degree of understanding of traffic law and to the judgement and the processing power of various road conditions, obstacle, if simple onboard system is only arranged, can only judge that the student drives correctness, the standardization of motor vehicle action, can not judge the correctness of vehicle ' position, for example, the student turns in the place that does not allow to turn, but his action is standard very, at this moment only depends on onboard system just can not judge student's mistake.If simple roadnet is only arranged have technical difficulty owing to distinguish the examination car with non-examination car, so roadnet judge certain examine car in violation of rules and regulations after, not and examine the car communication, be not difficult to determine the vehicle of specifically breaking the rules.
Secondly, has speech prompting system, the various operation indicatings of system's operation, the various false judgment results of student, all notify student and examination person with voice mode, make the two all be absorbed in the road surface situation and in time handle all situations, and needn't watch attentively, improved the security of system's operation in screen or other indicating device.
The 3rd, have the various wrong interfaces that examination person manually adjudicates the student, under the situation that system can not adjudicate automatically, examination person can manually specify the student to make mistakes, and is deducted points automatically by system again.Like this, avoided simplifying all judgements, shortened system operation time, reduced cost, improved the reliability and the practicality of system greatly examining the numerous sensor of laying on the car.
The 4th, the setting in native system examination highway section and the foundation of every false judgment are all worked out with reference to the new automobile driver method of examination relevant regulations of Ministry of Public Security's promulgation, meet related standards.Do not conflict, help examination person and successfully carry out the transition to the utilization native system from manual examination and take an examination automatically with the existing manual method of examination of judging.
Onboard system and roadnet are with radio frequency, infrared mode wireless connections.
The present invention has adopted wireless telecommunications, remote near technology such as monitoring, the compensation of warm skin, reduced instruction (RISC), voice suggestions, makes the present invention have characteristics reliable and practical, that be swift in response, judge promptly and accurately, can work under various rugged surroundings.
Below will be by the specific embodiment of the invention is described in further detail:
Fig. 1 is an onboard system block scheme of the present invention.
Fig. 2 is a roadnet block scheme of the present invention.
Fig. 3 is an interface circuit schematic diagram of the present invention.
Fig. 4 is a ground of the present invention sensing receiver schematic diagram.
Group 5 is brake of the present invention, reverse gear Fundamentals of Sensors figure.
Fig. 6 is a voltage monitoring circuit schematic diagram of the present invention.
Fig. 7 is a ground of the present invention sensing receiver operation synoptic diagram.
Fig. 8 is onboard system of the present invention, roadnet work synoptic diagram.
Fig. 9 is an onboard sensor arrangenent diagram of the present invention.
As Fig. 1, shown in Figure 9, onboard system of the present invention is made up of central processing unit 5 and external circuits (equipment), and external circuits (equipment) includes LCD 1, keyboard 2, printer 3, voltage, deadlock monitoring 4, voice prompting device 6, ground sensing receiver 7, interface circuit 8, place signal receiver 9, velocity pick-up 10, engine sensing 11, brake sensing 12, reverse gear sensing 13.LCD 1, keyboard 2, printer 3 are installed in examines windshield bottom, car counter-base the place ahead.Link to each other with central processing unit 5 by cable, voltage, deadlock supervisory circuit 4, interface circuit 8 are installed in same-individual antidetonation cabinet with central processing unit 5, and this cabinet is positioned over examines the car rear portion, links to each other by internal bus between each circuit.Voice prompting device 5 is installed in examines the car rear portion, links to each other with central processing unit 5 by cable.Five identical ground sensing receivers 7 are installed under the wheel shaft and bumper of examining car, link to each other with interface circuit 8 by cable.Place signal receiver 9 is installed in examines car front bumper place, link to each other with interface circuit 8 by cable, velocity pick-up 10 is installed on the transmission shaft rear axle propeller shaft, engine sensing 11 is contained in examines car engine main shaft radiator fan place, brake sensing 12 links to each other with the brake lamp switch of examining car, reverse gear sensing 13 links to each other with the reverse gear lamp switch of examining car, and the sensor all links to each other with interface circuit 8 by cable.
As shown in Figure 2, roadnet of the present invention is made up of signal lamp 14, marker generator 15, place sender unit 16, road section information generator 17, ground transaucer 18.Signal lamp 14, marker generator 15, place sender unit 16, road section information generator 17 are arranged on the highway section of examination process, link to each other with cable each other.Ground transaucer 18 is embedded under the examination road surface, place.
As shown in Figure 3, interface circuit 8 is by bus interface J4, address comparator U2, bus buffer U1, address decoder U3, latch U6, input buffer U5, oscillator divider U7, form with door U4 and other capacitance resistance ware.The input of U2 and the address bus of J4, latch and allow AEN and dial switch S1 to link to each other, output links to each other with U1, U3.The input end of U1 with the data bus of J4, read to allow IOR and U2 to link to each other, output links to each other with U5, U6.The input of U3 links to each other with the address bus of J4 and U2, and output links to each other with U4.The input of U5 is connected to U1, U4, and each sensing circuit is received in input port 10~17.The input of U6 links to each other with the RES that resets of U1, U4 and J4, and delivery outlet O0~O7 receives each sensing circuit and U7.U6 is received in the input of U7, and the reset terminal of central processing unit 5 is received in output.Interface circuit is connected with the bus form of central processing unit 5 with standard by J4.When central processing unit 5 need be read the external circuits data, at first output needs the address of read port, after U2 is relatively more correct with the Input Address of setting with dial switch S1 in advance, by U2 decoding and with on read to allow IOR, produce read strobe signal I_CS, thereby open U5 the outer signal input is delivered to data bus again after the U1 buffering, finish a process that reads signal.Similarly, when central processing unit 5 need be delivered to external circuits to data, also be to produce OPADD earlier, through decoding backgating U6, then output data is to external circuits.Because onboard system is installed in and examines on the car, work under bad environment is subjected to various interference (as high tension ignition pulse) easily, program fleet can take place unavoidably or be absorbed in endless loop situations such as (deadlocks), and what influence was taken an examination normally carries out.So comprise the watch dog monitoring circuit of forming by U7 in the interface circuit, when program is normally moved, regularly export a reset pulse by U6 and give U7, stop the output of U7 frequency division.In case program crashes, U6 can not receive reset signal, and the counting frequency division overflows, and produces reset pulse at 15 pin central processing unit is resetted.Restart working procedure, guarantee normally carrying out of examination.
00237376.9), photoelectrical coupler U1A, not gate U4B, trigger U5B form as shown in Figure 4, sensing receiver in ground is by at a distance near switch (application number:.Ground sensing receiver output links to each other with interface circuit, and controlled by interface circuit.When at a distance near switch process ground transaucer 18, export a signal pulse, after U1A isolation, U4B buffering disappear burr, trigger U5B and latch this signal (output low level), wait for that central processing unit reads.Like this, even it is very fast to examine vehicle speed, remote very narrow near the pulse of inductive switching, central processing unit can not in time read, but after latching, central processing unit can not leak this signal yet, causes erroneous judgement, fails to judge.After this signal was read, central processing unit output reset signal was prepared for trigger to latch next time to the 8 pin set latch (output high level) of U5B.
As shown in Figure 7, above-mentioned ground sensing receiver 7 is installed in the inboard axletree of wheel 21 times, directly with examine chassis and be connected, when avoiding examining jolting that garage advances, because the buffer action of tire 23 shock absorbers, cause the distance between ground sensing receiver and the ground transaucer 18 that bigger variation is arranged, influence ground 22 sensing receiver sensitivities.Because ground sensing receiver is installed in the wheel inboard, when examining the car wheel and scratching higher barrier, can not contact receiver, be unlikely to be broken.
As shown in Figure 5, brake, reverse gear sensor are made up of brake switch S11, reverse gear switch S12, photoelectrical coupler U1B, U1C, and its output is connected to interface circuit.Brake switch, reverse gear switch directly utilize the switch of examining on the car, after the brake of examining car is operated, and brake switch closure, U1B conducting, output low level.In like manner, after examining car and hanging reverse gear, also can make the U1C output low level.Owing to adopt photoelectric coupler isolation automobile circuit and onboard system circuit, avoided the interference of automobile circuit to onboard system, improve the reliability of system.
Onboard system is installed in to be examined on the car, and with Vehicular accumulator cell power supply, system normally moves for assurance, must monitor the voltage of accumulator at any time, need in time report to the police during undertension and carries out respective handling.As shown in Figure 5, voltage monitoring circuit is made up of voltage stabilizer U12, voltage comparator U13A, photoelectrical coupler U2C, time base circuit U14, hummer B1.U12 produces the 5V benchmark, is added to the anode of U13A, and cell voltage is added to the negative terminal of U13 after the potentiometer dividing potential drop.If cell voltage abundance, the positive terminal voltage of U13A be less than negative terminal voltage, the U13A output low level, photoelectrical coupler U2C conducting low level is to interface circuit.The resetting pin 4 of U14 also is a low level simultaneously, and 3 pin do not have pulse output, and hummer B1 does not pipe.In case dropping into, cell voltage sets below the threshold values, the positive terminal voltage of U13A is greater than negative terminal voltage, U13A exports high level, photoelectrical coupler U2C ends, the output high level is to interface circuit, central processing unit reads back prompting cell voltage deficiency on screen, and the examination person of voice suggestion simultaneously in time charges the battery or changes battery.4 pin of U4 also raise and are high level, and 3 pin output pulsed drive hummer B1 pipes, and sends alerting signal.Like this, even voltage is low to moderate processor is normally moved, examination person also can obtain the under-voltage warning of battery.
The present embodiment course of work is described below: after examining car on the student, earlier by examination person's identity verification.Then, can begin examination by the automatic generation of system or by the topic that examination person specifies the student to finish.Cross in the journey examining garage, be installed in the velocity pick-up 10 on the transmission shaft, constantly measure transmission shaft angle of rotation and rotation direction, through can obtaining examining the travel speed and the travel direction of car after central processing unit 5 computings, and can accumulate distance travelled.In conjunction with reverse gear sensing 13, whether hang reverse gear according to examining car, can determine to examine car and whether slip and the back slips distance the back, when slipping distance, the back surpasses limit value, and system deducts points automatically, and notifies examination person and students by voice prompting device 5.Be installed in and examine engine sensing 11 on the car engine main shaft, measure the angular velocity of engine rotation, thereby obtain the rotating speed of engine.Can obtain the ratio of the two according to the rotating speed of engine, the rotating speed of transmission shaft, central processing unit 5 is searched the specific gear ratio of examining each gear of car wheel box, can obtain the current residing gear of car of examining after comparing.In case engine stoping operation, engine sensing 11 can not get trigger pulse, sends the signal of engine kill, and system judges that in view of the above examining car stops working, and deducts points accordingly, equally also notifies examination person and student.Be arranged on the ground sensing receiver 7 that reaches under the wheel shaft under the bumper, be by at a distance near switch (application number: 00237376.9) constitute, they constantly survey examine four wheels of car and through four wheels in highway section and the magnetic field under the bumper, be embedded with ground transaucer 18 if examine the subsurface in the highway section of car process, just can be detected by ground sensing receiver 7, after calculating of reduced instruction set computer (RISC) single-chip microcomputer and temperature compensation, determine promptly whether wheel ground specified line or entered the specific region, thereby judge and examine whether more line of car, whether stop position is correct etc.
Be laid in that road section information generator 17 sends the place information (is sloping road as this highway section) of present position on the examination place, this information sends with radio frequency, infrared mode after the packing of place sender unit 16 coding.Be installed in the place signal receiver 9 of examining car front bumper place, after receiving the wireless signal of place sender unit 16 transmissions, give central processing unit 5 through decoding, if the student is required to finish the examination in this highway section, system points out examination person and student to enter examination zone automatically, and according to this highway section pass through require, as can not line ball cross the border, how many speed stages is defined as etc., pass judgment on student's operation, combined ground sensing receiver 7 is examined the car present position with ground transaucer 18 judgements.Provide corresponding evaluation result, by or deduction of points (containing reason), and with voice mode real-time informing examination person and student.
At specific road section (as signal lamp intersection), be provided with marker generator 15, it constantly produces various marking signals as requested, through power amplification rear drive signal lamp 14, produces various traffic signals (as traffic lights).Simultaneously give place sender unit 16 current signal lamp state and send to the central processing unit of examining on the car 5, thereby judge whether the student defers to the signal lamp indication and drive, and whether violates corresponding traffic law.
If in the examination process, the student has made the mistake that system can not judge automatically (stretch out outside window watch from a height or a distance as head), and examination person can operation keyboard, according to screen display, select to be stored in advance the error entries in the system, central processing unit 5 is manually deducted points according to selected clauses and subclauses.
If the student has made the mistake of failing (containing accumulated deduction fails) or by all topics that requires examination, system will print total marks of the examination and notify the student, also can send achievement to host computer when needing or write storage card (IC-card).

Claims (4)

1, a kind of driving test system for driver: it comprises onboard system, it is characterized in that, it also comprises roadnet, wherein, roadnet comprises signal lamp, marker generator, place sender unit, road section information generator and ground transaucer, the place sender unit sends information with radio frequency, infrared ray and three kinds of modes of the magnetic line of force, sends wireless signal, allows the place signal receiver of onboard system receive; Onboard system comprises central processing unit, it links to each other with LCDs, keyboard, printer, voltage deadlock monitoring, voice prompting device and interface circuit respectively, and interface circuit is connected with ground sensing receiver, place signal receiver, velocity pick-up, engine sensing, brake sensing, reverse gear sensing respectively; The marker generator of roadnet links to each other with signal lamp, place sender unit respectively, and the road section information generator connects the place sender unit, and ground transaucer links to each other with ground sensing receiver by magnetic field.
2, examination system according to claim 1, it is characterized in that: described ground transaucer is a magnetic material, be embedded in examination place subsurface, examine car wheel inside front and bumper below ground sensing receiver is installed, this be one at a distance near detector, the magnetic signal that sends of fast detecting ground transaucer realizes examining the accurate judgement of car position at a distance.
3, examination system according to claim 1, it is characterized in that: described place signal generator is arranged on the examination highway section, with radio frequency or infrared mode transmit coded signals, the place signal receiver that is used in its signal of reception is installed in to be examined on the car front bumper, and the place sender unit is the portable power structure.
4, examination system according to claim 1 is characterized in that: described keyboard, the wrong project key of manual selection is arranged on it, and the mistake that can not differentiate automatically that is used for taking an examination realizes record and deduction of points.
CN 00123645 2000-08-28 2000-08-28 Driving test system for driver Expired - Fee Related CN1133123C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 00123645 CN1133123C (en) 2000-08-28 2000-08-28 Driving test system for driver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 00123645 CN1133123C (en) 2000-08-28 2000-08-28 Driving test system for driver

Publications (2)

Publication Number Publication Date
CN1282029A CN1282029A (en) 2001-01-31
CN1133123C true CN1133123C (en) 2003-12-31

Family

ID=4590024

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 00123645 Expired - Fee Related CN1133123C (en) 2000-08-28 2000-08-28 Driving test system for driver

Country Status (1)

Country Link
CN (1) CN1133123C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102509491B (en) * 2011-10-17 2016-03-02 荣莘电子科技(上海)有限公司 Subject two instruction examines the region detection system and method for utilization of area LFMC
CN102800222B (en) * 2012-07-23 2014-04-30 湖州金博电子技术有限公司 Agricultural vehicle driving skill examination device and examination method thereof
CN103218934A (en) * 2012-09-15 2013-07-24 海宁伊满阁太阳能科技有限公司 Driving training ground with digital radio broadcast traffic management system
CN106781818A (en) * 2017-02-22 2017-05-31 株洲嘉源电气有限公司 A kind of railway assumes signal lamp device and monitoring method

Also Published As

Publication number Publication date
CN1282029A (en) 2001-01-31

Similar Documents

Publication Publication Date Title
CN103150907B (en) Highway operation safety-based mobile monitoring and early warning system and method
CN103112451B (en) A kind of Automobile automatic collision avoidance system and method
CN101488238A (en) Coach running data recording device and method for accident analysis by applying the device
CN203102592U (en) Mobile monitoring and early warning system based on expressway operation safety
CN108645628A (en) Autonomous driving vehicle based on driving path technical ability tests system
CN107195201A (en) A chain of collision early warning system is prevented on highway
CN104408941A (en) System and method of vehicle management based on Beidou satellite navigation
US20210350699A1 (en) Method for Vehicle Classification Using Multiple Geomagnetic Sensors
CN108091139A (en) A kind of traffic safety automatic evaluation system based on big data
CN102629415A (en) Automatic active early warning system for highway rescue
CN101882379A (en) Highway system with vehicle position detection and telling device
CN209085953U (en) A kind of tele-control system of intelligent driving test target vehicle
CN110599025A (en) Method for evaluating reliability index of driving behavior of automatic driving automobile
CN102842235A (en) Device and method for measuring traffic flow and travel speed by using infrared technology
CN107180533A (en) Road method for early warning and device
CN1133123C (en) Driving test system for driver
CN206049559U (en) A kind of vehicle DAS (Driver Assistant System) based on computer technology
CN111284401A (en) Multi-sensor vehicle right turning blind area detection early warning system
CN104260640B (en) Engineering special purpose vehicle intelligence instrument and using method
CN103198670B (en) A kind of device and detection method thereof detecting the reversing automobile behavior of high speed fork in the road
CN202563657U (en) Self-propelled active early warning system for highway rescue
CN112141041A (en) Intelligent vehicle-mounted system based on Internet of things
CN1272752C (en) Automatic monitoring system for model driving train and exam of car driver
CN111292527A (en) System and method for testing traffic capacity of special lane of unmanned vehicle
CN203204840U (en) Taxi overspeed driving supervision system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
DD01 Delivery of document by public notice

Addressee: Xu Weijian

Document name: Notification to Pay the Fees

DD01 Delivery of document by public notice

Addressee: Song Lichang

Document name: Notification of Termination of Patent Right

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20031231

Termination date: 20130828