CN1695972A - Alarm Control device for pressure of car tire - Google Patents

Alarm Control device for pressure of car tire Download PDF

Info

Publication number
CN1695972A
CN1695972A CN 200410043189 CN200410043189A CN1695972A CN 1695972 A CN1695972 A CN 1695972A CN 200410043189 CN200410043189 CN 200410043189 CN 200410043189 A CN200410043189 A CN 200410043189A CN 1695972 A CN1695972 A CN 1695972A
Authority
CN
China
Prior art keywords
pressure
tire
emergency brake
alarm control
brake
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.)
Granted
Application number
CN 200410043189
Other languages
Chinese (zh)
Other versions
CN100478228C (en
Inventor
王德红
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.)
Wang Dexin
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 CNB2004100431899A priority Critical patent/CN100478228C/en
Publication of CN1695972A publication Critical patent/CN1695972A/en
Application granted granted Critical
Publication of CN100478228C publication Critical patent/CN100478228C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Regulating Braking Force (AREA)

Abstract

A pressure alarm controller for tyre of car is composed of tyre pressure detecting unit, pressure exception alarm device, emergency braking unit and reset unit for energency braking.

Description

The alarm control equipment of automotive tire pressure
Technical field
The present invention relates to a kind of alarm control equipment of automotive tire pressure, more specifically, the present invention relates to the alarm control equipment that a kind of motor tire is blown out.
Background technology
The current automobile industry that vehicle safety performance more and more comes into one's own, one of automotive safety very key factor remain protection and the relief problem of avoiding people's car serious accident to take place after the performance of tire and the tyre break.Along with the extension at full speed of China Higher level highway, the accident of blowing out of vehicle increases suddenly, the accident of blowing out thereby be called as " cold-blooded killers on the express highway ".According to statistics, at present on Chinese express highway, accounted for 70% of total number of accident by the traffic accident that causes of blowing out, in this ratio of the U.S. more up to 80%.The investigation statistics of AIAE American institute of automobile engineers shows, there is 260,000 traffic accidents every year in the U.S., and low or seepage causes owing to tire pressure, and 75% tire fault causes owing to low tyre or seepage.JAF Japan Automobile Federation (JAF) is in the express highway of calendar year 2001 is rescued, and the not enough caused accident of the explosion of tire and air pressure accounts for always rescues severally 21.4%, comes first that rescues in the number.2002.a.s.AutomotiveEmerging the result of Technologies Study.2002 U.S. up-to-date technology investigation.25 kinds of automobile pioneering technologys are investigated: the result shows among preceding 10 of care degree rank of safety product and has accounted for 9.And tire pressure telltale wherein makes number one.Most customers required passive safety system when having an accident, safety air bag is compared with safety strap, and tends to install the active safety equipment of the accident of preventing.Automobile has safety measure now; as ABS, EDS, EPS, safety air bag etc.; all are " passive afterwards " type securities; promptly when taking place, accident just plays the safety effect of the protection person and automobile; pneumatic pressure monitoring system of tire belongs to " in advance initiatively " type security, promptly in time reports to the police when dangerous sign appears in tire, takes measures; accident is eliminated in bud, guaranteed to be in a safe condition all the time in the vehicle traveling process.
Along with the accelerated development of Chinese Automobile Industry ' and improving constantly of people's level of consumption, automobile is more and more universal, and the emergentness of blowing out, can not meeting property and the significant damage on high speed becomes the problem that everybody is concerned about the most day by day.Blowing out, unreasonable and mis-application causes majority owing to tire pressure, often causes huge pernicious traffic accident after the tire blast, even a large amount of rear-end collisions.Because common people are finding that signal of tyre burst lights tail-light to taking the emergency brake measure prompting pursuit-type vehicle etc., generally be subjected to the restriction of people's physiological property, at least need 2-3 time second, because the cue of blowing out can not in time be obtained, make the generation that driver and nearby vehicle and pedestrian can not adopt an effective measure and try to forestall traffic accidents.
Summary of the invention
The objective of the invention is the problem that occurs in the top prior art in order to overcome, can be so that the driver and conductor in the very first time (in about 0.2 second), obtains the too high or too low signal of tire pressure, thereby in time changes spare tyre or take other counter-measures; Especially can be after the generation of blowing out, in time carrying out cautions such as sound (loudspeaker are from ring), light (stoplight stop lamp, four corner lamps, steering indicating light, fog lamp etc.) reminds, driver, pursuit-type vehicle and peripheral pedestrian can in time be taken emergency measures promptly dodge, thereby avoid great people's car casualty accident to take place.Because after automobile is blown out suddenly in the process of running at high speed, first-selected measure of paramount importance is exactly to slow down as early as possible under directionally controlled prerequisite, and keeping right promptly stops driving, changes or retread a tyre.The vehicle burst of running at high speed is blown out, to nearby vehicle especially about and the cruising of pursuit-type vehicle bring huge threat, in time countermeasure such as will cause traffick to hit mutually knocking into the back take place at great, pernicious traffic accident, therefore how in time to detect signal of tyre burst, and in time send alarm signal and make self can safety and steady to stop and just seem very crucial and necessary to driver and conductor and periphery and the pedestrian who trails and vehicle.
In order to realize the purpose of the invention described above, the present invention proposes a kind of alarm control equipment that is used for automotive tire pressure, it is characterized in that, comprise: tire inflation pressure determining apparatus, the warning device of reporting to the police according to the abnormal pressure signal of described pressure-detecting device, the emergency brake device of braking according to the abnormal pressure signal of described pressure-detecting device, the emergency brake decontrol that the braking of described emergency brake device is removed.
This pressure-detecting device comprises pressure sensor that is arranged in the tire and the detecting element that receives the pressure signal that transmits described pressure sensor.
This pressure sensor can be the assembly of elastic body and permanent magnet, the moving radially of elastomeric effect lower edge tire, described detecting element is arranged on the hall detection component of changes of magnetic field of the induction tire in-to-in permanent magnet of outside tires to wherein said permanent magnet according to the pressure in the tire.
Described pressure sensor is the sensor of piezoelectricity form, and described detecting element can be arranged on the passive magnetic-elastic body of inside tires or the electronic signal radiated element of active work.
Described warning device comprises the stoplight stop lamp of automobile configuration itself, four jiaos of Warning lights, steering indicating light, fog lamp, loudspeaker or special-purpose annunciators.
Described emergency brake device comprises the emergency brake control setup that basis is braked from the brake equipment of the abnormal pressure signal control automobile of pressure-detecting device.
Described emergency brake decontrol comprises removes starter gear and emergency brake releasing control setup, described emergency brake is removed control setup according to the brake equipment brake off from the ring off signal control vehicle of removing starter gear, perhaps drops at car speed to be lower than the control setup that automatically terminates the emergency brake function under the predetermined speed.Described vehicle braked device comprises original aerobraking power energy storage equipments such as utilizing truck, passenger vehicle, also can comprise the newly-increased in addition independent braking force energy storage equipments of needs such as car class).
Described tire inflation pressure determining apparatus also comprises the measurement mechanism of vehicle wheel rotational speed and cireular frequency and according to the discriminator of the auxiliary comparative tire pressure anomaly of observed reading of the rotating speed of described measurement mechanism and cireular frequency.
The brake pedal that described releasing starter gear is an automobile, be arranged in button on the steering column for vehicles handle and the brake release pedal.
Described permanent magnet and elastomeric components are the shapes of fine granularity, and its mode by binding turns, welding is fixed on the wheel hub.
The disclosed technique scheme of patent of the present invention, can be than manually in time detecting signal of tyre burst reliably and making full use of the existing various caution equipments of vehicle, send alarm signal in the very first time, about helping driver and conductor and nearby vehicle especially and pursuit-type vehicle and pedestrian obtain the blowing out alarm signal of vehicle, promptly dodge measure as early as possible, the automobile of running at high speed is just seemed very necessary, reliably saves cost again, economical and practical.
Description of drawings
Fig. 1 is the structural representation that closes elastomeric components according to the permanent magnet of the pressure-detecting device of one embodiment of the invention;
Fig. 2 is permanent magnet and the scheme of installation of elastomeric components on wheel hub of Fig. 1;
Fig. 3 utilizes emergency brake decontrol of the present invention and the schematic block diagram of removing emergency brake;
Fig. 4 is that the attached speed live signal of automobile that utilizes automatically terminates the emergency brake schematic block diagram by emergency brake releasing control setup.
The specific embodiment:
Tire inflation pressure determining apparatus according to an embodiment of the invention comprises permanent magnet and elastomeric assembly as shown in Figure 1, comprises permanent magnet 2, such as the elastic body 1 of spring with hold permanent magnet 2 and the housing 13 of elastic body 1.A side that contacts of permanent magnet 2 and elastic body 1 and housing 13 and elastic body 1 constitute an enclosure space, have atmospheric air 14 in this enclosure space, and the opposite side of permanent magnet 2 are communicated with space outerpace.In Fig. 2, shown that schematically permanent magnet and elastomeric assembly are installed on the wheel hub 4 of automobile, wherein permanent magnet and elastomeric assembly A and B represent to be installed in the state on the aluminium alloy wheel hub, be arranged on the inside tires that forms by outside tires rubber 5 and wheel hub 4 by integral body with B in it, the permanent magnet 2 of permanent magnet and elastomeric assembly A be positioned at elastic body 1 below, and the permanent magnet 2 of permanent magnet and elastomeric assembly B be positioned at elastic body 1 above.And permanent magnet and elastomeric assembly C represent to be installed in the state on the steel wheel hub, and wherein the part of permanent magnet and elastomeric assembly C is positioned at the inside of tire and the inboard of wheel hub, and another part is positioned at the outside of wheel hub and the outside of tire.A side relative with elastic body 1 of permanent magnet 2 and the internal high pressure gas 3 of tire are interconnected in Fig. 2.So these high pressure gas 3 will be in a certain and the corresponding balance position of tyre inner pressure in 1 compression of the elastic body in the atmospheric air 14 by permanent magnet 2.Magnetic induction sensor 6 such as Hall element is fixedly installed on the vehicle frame 8 of outside tires, and vehicle frame 8 links to each other with axletree 7, thereby keeps static with respect to wheel.Magnetic induction sensor 6 detects the magnetic field of certain intensity and exports correspondent voltage or other signals according to the balance position of this permanent magnet 2, thereby shows corresponding force value.When the tire internal pressure increased or reduces, then elastic body was further compressed or is stretched out, and then sensor receives the field signal that strengthens or weaken, and demonstrates cooresponding bigger or less pressure signal after treatment.Signal processing unit can be set low pressure, the alarm for high voltage value of different stage, reaches the abnormal pressure of different stage, then carries out sound, light and the audio alert prompting of different modes and character.Permanent magnet and elastomeric components have the shape of fine granularity, and its mode by binding turns, welding is fixed on the wheel hub.
In other embodiments of the invention, tire inflation pressure determining apparatus also can comprise the pressure sensor of all forms of piezoelectricity in this way, and the detecting element of the pressure signal of detected pressures sensor also can be arranged on the electronic signal radiated element of the passive or active work of inside tires.
In one embodiment of this invention, when detecting pressure bust is to certain minimum authorized pressure value rapidly, then can think the generation of blowing out, promptly pressure-detecting device detects the abnormal pressure signal of blowing out.So according to this abnormal pressure signal of blowing out, comprise that loudspeaker start warning automatically from the vehicle alarm device of ring, stoplight stop lamp, four corner lamps, steering indicating light, fog lamp and the special-purpose annunciator of blowing out that increases, make car inside and outside all personnel and vehicle cause great vigilance, to take the measure of effectively dodging.Simultaneously, emergency brake device of the present invention is braked vehicle at once automatically according to this abnormal pressure signal of blowing out, and reduces the moving velocity of vehicle.Like this, when vehicle was blown out generation, alarm control equipment of the present invention was reported to the police automatically and car speed is controlled, thus timely and effective avoiding accidents.After this, the chaufeur of the vehicle of blowing out should slow down immediately to keep right immediately under the controlled prerequisite of direction and stop as early as possible, and follow-up vehicle can promptly slow down behind the alarm signal of seeing the vehicle of blowing out and dodge, and the pedestrian also can take the measure of promptly dodging as early as possible.Because this operatorless device can be than manually in time detecting signal of tyre burst and make full use of the existing various cautions equipment of vehicle reliably, to the automobile of running at high speed just seem at the right time, reliably economical and practical again.
In one embodiment of the invention, also comprise the measurement mechanism of vehicle wheel rotational speed and cireular frequency and according to the discriminator of the auxiliary comparative tire pressure anomaly of measurement signal of the rotating speed of described measurement mechanism and cireular frequency.Just in case under the situation about not being subjected to displacement with pressure, this rotating speed/angular velocity signal can be used for auxiliaryly relatively having or not tire seriously to leak gas, so that guarantee in time to give the police when the elastic body body.
In one embodiment of the invention, emergency brake device comprises the emergency brake control setup, this control setup comprises it can being independent Logic control module such as micro controller system, it also can be a control module among the central process unit of vehicle, comprise that also special electromagnetic valve is used in time opening the braking force energy storage so that brake power is provided, or the like.This control setup is associated with the vehicle braked system, thereby according to abnormal pressure signal the controlling such as brake equipments such as brake pump, drg, braking force energy storage equipments the vehicle braked system from pressure-detecting device.In other embodiments of the invention, emergency brake device can also comprise newly-increased independent braking force energy storage equipment, for example dependence driver pin such as car class steps on that the hydraulic brake system that brake power is provided is general just to need in addition newly-increased braking force energy storage equipment, also can make full use of the original braking force energy storage equipment of automobile, the pneumatic energy storage equipment of truck, truck, passenger vehicle etc. for example, thus under the control of emergency brake control setup, drg is braked.
Emergency brake device of the present invention is after the generation of blowing out, when chaufeur is not taked braking maneuver and send braking force immediately automatically and make automobile begin in the urgent moderating process, can remove the emergency brake of emergency brake unit by emergency brake decontrol of the present invention.Like this, can avoid the tire explosion emergency braking device to continue emergency braking and make the vehicle of blowing out controllably not continue to slow down and cause follow-up vehicle rear-end collision or be parked in hazardous location such as passing track such as express highway, traveling lane and traffic accident occurs until parking.
In one embodiment of the invention, the emergency brake decontrol comprises releasing starter gear and emergency brake releasing control setup.Brake pedal that this releasing starter gear can be an automobile or special-purpose releasing pedal or be arranged on button on the steering column for vehicles handle.
In Fig. 3 and 4, shown the schematic block diagram of the mode of operation that emergency brake decontrol of the present invention is different respectively.In Fig. 3, chaufeur is removed starter gear by operation and is sent the signal of removing emergency brake, and after emergency brake releasing control received this signal, the brake system of control vehicle was removed emergency brake.In operation, the driver is as long as step on make a movement original brake pedal plate or special-purpose stretcher gently, the electric signal that the slight displacement action of stretcher is gathered by displacement pickup, also especially comprise the electric signal of when pin touches on the brake plate, in time lighting stoplight stop lamp that directly utilizes automobile itself just to have, remove the emergency brake that control setup is removed the tire explosion emergency braking device by emergency brake with this signal.In Fig. 4, after automobile enters the emergency brake state, the moving velocity that control setup obtains vehicle is in real time removed in emergency brake, and the real time running speed and a predetermined safe speed of vehicle compared, this car safety speed can be 60-80 kilometer/hour etc., when being reduced to safety speed in the speed of a motor vehicle when following, promptly the speed of vehicle is less than this safety speed, and this emergency brake is removed control unit and sent instruction control vehicle braked system and remove emergency brake.So, can avoid the tire explosion emergency braking unit to continue emergency braking and make the vehicle of blowing out controllably not continue to slow down and cause follow-up vehicle rear-end collision or be parked in hazardous location etc. and traffic accident occurs until parking.The mode of this releasing emergency brake function meets driver's operating habit, and is simple and practical, implements easily, can not influence direction because disturb driver's both hands under these abnormal condition and must guarantee controlled specific (special) requirements.
The above embodiment of the present invention is not restrictive, and the various changes and modifications that the those of ordinary skill in the technology of the present invention field is carried out under inventive concept of the present invention are all within protection scope of the present invention.

Claims (10)

1. alarm control equipment that is used for automotive tire pressure, it is characterized in that, comprise: tire inflation pressure determining apparatus, the warning device of reporting to the police according to the abnormal pressure signal of described pressure-detecting device, the emergency brake device of braking according to the abnormal pressure signal of described pressure-detecting device, the emergency brake decontrol that the braking of described emergency brake device is removed.
2. according to the described alarm control equipment of claim 1, it is characterized in that: described pressure-detecting device comprises pressure sensor that is arranged in the tire and the detecting element that receives the pressure signal that transmits described pressure sensor.
3. according to the described alarm control equipment of claim 2, it is characterized in that: described pressure sensor is the assembly of elastic body and permanent magnet, the moving radially of elastomeric effect lower edge tire, described detecting element is arranged on the hall detection component of changes of magnetic field of the induction tire in-to-in permanent magnet of outside tires to wherein said permanent magnet according to the pressure in the tire.
4. according to the described alarm control equipment of claim 2, it is characterized in that: described detecting element is arranged on the passive magnetic-elastomer element of inside tires or the electronic signal radiated element of active work.
5. according to the described alarm control equipment of claim 1, it is characterized in that: described warning device comprises the stoplight stop lamp of automobile configuration itself, four jiaos of Warning lights, steering indicating light, fog lamp, loudspeaker or special-purpose annunciators.
6. according to the described alarm control equipment of claim 1, it is characterized in that: described emergency brake device comprises the emergency brake control setup that basis is braked from the brake equipment of the abnormal pressure signal control automobile of pressure-detecting device.
7. according to the described alarm control equipment of claim 1, it is characterized in that: described emergency brake decontrol comprises removes starter gear and emergency brake releasing control setup, described emergency brake is removed control setup according to the brake equipment brake off from the ring off signal control vehicle of removing starter gear, perhaps is lower than automatic guidance vehicle braked device under the predetermined speed at car speed.
8. according to the described alarm control equipment of claim 1, it is characterized in that: described tire inflation pressure determining apparatus also comprises the measurement mechanism of vehicle wheel rotational speed and cireular frequency and according to the discriminator of the auxiliary comparative tire pressure anomaly of observed reading of the rotating speed of described measurement mechanism and cireular frequency.
9. according to the described alarm control equipment of claim 7, it is characterized in that: the brake pedal that described releasing starter gear is an automobile, be arranged in button on the steering column for vehicles handle and the brake release pedal.
10. according to the described alarm control equipment of claim 1, it is characterized in that: described permanent magnet and elastomeric components are the shapes of fine granularity, and its mode by binding turns, welding is fixed on the wheel hub.
CNB2004100431899A 2004-05-14 2004-05-14 Alarm Control device for pressure of car tire Expired - Fee Related CN100478228C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2004100431899A CN100478228C (en) 2004-05-14 2004-05-14 Alarm Control device for pressure of car tire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2004100431899A CN100478228C (en) 2004-05-14 2004-05-14 Alarm Control device for pressure of car tire

Publications (2)

Publication Number Publication Date
CN1695972A true CN1695972A (en) 2005-11-16
CN100478228C CN100478228C (en) 2009-04-15

Family

ID=35348925

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100431899A Expired - Fee Related CN100478228C (en) 2004-05-14 2004-05-14 Alarm Control device for pressure of car tire

Country Status (1)

Country Link
CN (1) CN100478228C (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101786406B (en) * 2009-01-22 2012-05-02 傅黎明 Tire burst safety prompting system
CN101574961B (en) * 2008-05-09 2012-09-26 浙江吉利汽车研究院有限公司 Control system for preventing rear-end collisions from tire burst
CN102951135A (en) * 2011-08-22 2013-03-06 王德红 Safety driving control and rescue system for wheel diameter variation and high-speed tire burst
CN103921796A (en) * 2013-01-14 2014-07-16 博世汽车部件(苏州)有限公司 Control method and device of vehicle dynamics states when tires burst
CN105082899A (en) * 2015-08-06 2015-11-25 北汽福田汽车股份有限公司 Vehicle tire burst emergency device, vehicle including same and vehicle control method
CN109591523A (en) * 2017-09-30 2019-04-09 比亚迪股份有限公司 Tire pressure detecting device and tire pressure detection method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101574961B (en) * 2008-05-09 2012-09-26 浙江吉利汽车研究院有限公司 Control system for preventing rear-end collisions from tire burst
CN101786406B (en) * 2009-01-22 2012-05-02 傅黎明 Tire burst safety prompting system
CN102951135A (en) * 2011-08-22 2013-03-06 王德红 Safety driving control and rescue system for wheel diameter variation and high-speed tire burst
CN102951135B (en) * 2011-08-22 2017-01-18 王德红 Safety driving control and rescue system for wheel diameter variation and high-speed tire burst
CN103921796A (en) * 2013-01-14 2014-07-16 博世汽车部件(苏州)有限公司 Control method and device of vehicle dynamics states when tires burst
CN103921796B (en) * 2013-01-14 2017-07-28 博世汽车部件(苏州)有限公司 The control method and equipment of dynamics of vehicle state during blowout
CN105082899A (en) * 2015-08-06 2015-11-25 北汽福田汽车股份有限公司 Vehicle tire burst emergency device, vehicle including same and vehicle control method
CN109591523A (en) * 2017-09-30 2019-04-09 比亚迪股份有限公司 Tire pressure detecting device and tire pressure detection method

Also Published As

Publication number Publication date
CN100478228C (en) 2009-04-15

Similar Documents

Publication Publication Date Title
CN1876409B (en) Tyre pressure monitoring system functional improvement and enlargement technology
US20060022520A1 (en) Exterior indicator of the activation of an anti-lock braking system
CN102774378A (en) Vehicle rear-end collision warning and protecting method and system
CN101074014A (en) Safety tyre-burst brake deviation-rectifying system for automobile
US10950131B1 (en) Impact-induced lighting to mitigate post-accident risk
CN201105725Y (en) Automobile tyre gas pressure observation system
CN100478228C (en) Alarm Control device for pressure of car tire
CN101354833A (en) Safe alarming method of road traffic
CN2732520Y (en) Alarm and control equipment for automobile tire pressure
USH2001H1 (en) Vehicular deceleration-responsive center high-mounted stoplight
CN215417017U (en) Vehicle overspeed detection early warning system
Moravčík et al. Integrated intelligent safety systems
CN106427938A (en) Device for parking automobile at shortest distance and preventing overturning
CN101195329A (en) Emergency gas flushing device for tire of vehicle in running
CN103625223A (en) Tire burst protection system and operating method thereof
CN211196032U (en) Vehicle side object detecting and warning device
CN113635832B (en) Control method for preventing collision during parking and door opening
CN108790817A (en) Intelligent drunk-driving prevention system
CN200964038Y (en) Automobile tyre emergency aerating device when running
CN103358984A (en) Intelligent control method for both turn signal lamps and warning light
CN201208887Y (en) Automotive tire pressure monitoring device
CN106494386B (en) With redundancy blow out monitoring with automobile of speeding
CN104191912A (en) Following automobile tire burst monitoring device
KR0136708Y1 (en) Brake light auto flasher
KR0134880Y1 (en) Alarming device when a vehicle is bumping

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
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20191231

Address after: Cai Yuan Zhen San Ba Cun, Tangyin County, Henan Province 455000

Patentee after: Wang Dexin

Address before: 455000 No. 328, south section of west iron road, Henan, Anyang

Patentee before: Wang Dehong

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

Granted publication date: 20090415

Termination date: 20210514