CN101672237B - Ignition angle gauge of pointer type engine - Google Patents
Ignition angle gauge of pointer type engine Download PDFInfo
- Publication number
- CN101672237B CN101672237B CN2009101144042A CN200910114404A CN101672237B CN 101672237 B CN101672237 B CN 101672237B CN 2009101144042 A CN2009101144042 A CN 2009101144042A CN 200910114404 A CN200910114404 A CN 200910114404A CN 101672237 B CN101672237 B CN 101672237B
- Authority
- CN
- China
- Prior art keywords
- pin
- capacitor
- diode
- dead center
- top dead
- 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
Links
Images
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The invention provides an ignition angle gauge of a pointer type engine, which is used for detecting and displaying an ignition advanced angle of the engine in various work conditions. When the engine is started, the ignition angle gauge detects the position of an air cylinder where a piston is located and the time of the piston moving to a point on a compression stroke, the running time is converted to a high level integration time by a bistable trigger, the high level integration time is converted to an integration current by a current integration circuit, and the integration current is displayed by an ammeter. The ignition angle gauge is formed by the connection of a top dead center signal sensor 21, an ignition high voltage lead 23, an engine distributor 22, a spark plug 25, a top dead center signal amplifying and shaping circuit 26, an ignition signal sensor 24, the bistable trigger 27, the current integration circuit 28, the ammeter 29 and a regulated power supply 30. The ignition angle gauge can conveniently detect and display the ignition advanced angle of the engine in various work conditions, with simple structure, low cost and convenient installation and use, thus being suitable for compatible use of various engines with different amounts of air cylinders.
Description
One, technical field
The invention belongs to the engine instruments field, is engine ignition angle gauge specifically.
Two, background technique
Degrees of ignition advance when the maximum oil consumption of engine output is minimum, the degrees of ignition advance that is called Cui, the motor of different model, best degrees of ignition advance is inequality, same motor is under different operating modes, and best degrees of ignition advance is also inequality.Also on the market at present and do not find that ignition angle gauge is arranged, do not know how many motor optimum igniting degrees of advance is and spends.Can not observe motor at any time under various operating modes, whether firing characteristic and former design coincide, so can not in time find the fault that motor exists.
Three, summary of the invention
The purpose of this invention is to provide a kind of detection, show the ignition angle gauge of pointer type engine of motor at various operating mode down-firing degrees of advance, this ignition angle gauge is the position of piston place cylinder when lighting a fire by detection of engine, run to the time of compression stroke top dead center, this piston working time is converted to high level intergration time through bistable trigger, this high level is directly proportional irrelevant with rotating speed intergration time with degrees of ignition advance, this high level converts integration current to through current integration circuit intergration time, shows with ammeter then.
The engine ignition angle gauge of pointer-type of the present invention, comprise the top dead center signal emitter, the igniting high-voltage conducting wires, the engine distributor and the spark plug that are connected with the igniting high-voltage conducting wires, it is characterized in that it comprises that also the top dead center signal amplifies and shaping circuit, the fire signal sensor, bistable trigger, current integration circuit, ammeter, stabilized power supply, described fire signal sensor is close coil L outside the high-voltage conducting wires isolation layer, the close pitch of the laps number of coil L is the 10-20 circle, coil L one end ground connection, the other end is by wiring terminal J2, capacitor C6 is connected with the S end of bistable trigger, the top dead center signal shaping amplifier is the IC1-3 by IC 1, IC1-4, capacitor C1, C2, C3, diode D1, diode D2, resistance R 1, resistance R 2, resistance R 3 connects and composes, bistable trigger is by the IC1-1 of IC 1 and IC1-2, diode D3, diode D4, capacitor C5, semifixed resistor W1 connects and composes, current integration circuit is by diode D5, semifixed resistor W2 and W3, capacitor C7, throw over switch K1 connects and composes, and described stabilized power supply is by IC 2, capacitor C8, C9, C10, C11, diode D6 connects and composes.The output terminal of top dead center signal emitter is connected with the input end of top dead center signal shaping amplifier, the output terminal of top dead center signal shaping amplifier is connected with the input end of bistable trigger, the output terminal of bistable trigger is connected with the input end of current integration circuit, and the output terminal of current integration circuit is connected with the input end of ammeter.
Described bistable trigger is by the IC1-1 of IC 1 and IC1-2; diode D3; diode D4; capacitor C5; semifixed resistor W1 connects and composes; the 1st pin of IC1-1 is the R end of bistable trigger; it is the top dead center signal input part; the 6th pin of IC1-2 is the S end; it is the fire signal input end; the 3rd pin of IC1-1 is connected to the Q end with the 5th pin of IC1-2 and is connected with the input end of current integration circuit; the negative pole of the D3 of diode is connected with the R end; the negative pole of D4 is connected with the Q end; the end of W1 is connected with the Q end; the end ground connection of capacitor C5; the other end of capacitor C5; the other end of W1; the positive terminal of D3; this four end of the positive terminal of D4 interconnects, and constitutes the automatic reset circuit of bistable trigger and the protective circuit of ammeter.
Described top dead center signal shaping amplifier is IC1-3 and the IC1-4 by IC 1, capacitor C1, C2, C3, resistance R 1, R2, R3, diode D1, diode D2 connects and composes, the end of capacitor C1 is connected with wiring terminal J1, the other end of C1 is connected with the end of R1, the other end of resistance R 1, the end of capacitor C2, the positive terminal of diode D1, the negative pole end of diode D2, the end of capacitor C3, this 5 end interconnects, the other end of C2, the negative pole end of D1, the positive terminal of D2 is ground connection respectively, the other end of capacitor C3, the end of R2, the end of R3, the 8 9th pin of IC1-3, this 5 end interconnects, the positive 5V power supply of another termination of R2, the other end ground connection of R3, the 10th pin of IC1-3, this 3 pin of the 12nd pin the 13rd pin of IC1-4 interconnects, and the 11st pin of IC1-4 is that the top dead center signal output part is connected with the end of capacitor C4.
The engine ignition angle gauge of described pointer-type, it is characterized in that described current integration circuit is to be connected and composed by diode D5, semifixed resistor W2, W3, capacitor C7, throw over switch K1, the positive terminal of D5 is connected with the 5th pin Q end of IC1-2, the negative pole end of D5 is connected with the end of W2, the end of W3, the other end of W2 is connected with the 2nd pin of K1, the other end of W3 is connected with the 3rd pin of K1, this 3 end of positive terminal of the 1st pin of K1, the end of capacitor C7, ammeter interconnects, the other end ground connection of capacitor C7, the negative pole end ground connection of ammeter.
Ignition angle gauge of pointer type engine of the present invention is fit to the compatible use of the different motor of various cylinder numbers, only detects the degrees of ignition advance of one of them cylinder in multicylinder engine uses, and top dead center signal and fire signal pick up from same cylinder.Motor has two kinds of firing mode, and a kind of is single cylinder separated ignition mode, and a kind of is twin-tub firing mode simultaneously, and the present invention has used a throw over switch K1 conversion, to adapt to this two kinds of firing mode.
Ignition angle gauge of pointer type engine of the present invention has solved the inconvenience that does not have dynamo ignition angle table to be brought originally, has simple in structurely, and cost is low, and is easy to install, is applicable to that to be that the different motor of various cylinder numbers is compatible use.Ignition angle gauge of pointer type engine of the present invention has been arranged, can detect conveniently, show that motor is at various operating mode down-firing degrees of advance, also can test the firing characteristic curve that obtains new work engine very exactly, the base timing adjustment and the ignition timing adjustment of motor all are very easy to; Also available ignition angle gauge of pointer type engine is observed motor under various operating modes, and whether firing characteristic and former design coincide, thereby finds the fault that motor exists.For example: automobile travels at the lowpressure low-temperature environment, and the ignition angle of motor need shift to an earlier date by designing requirement, observes ignition angle gauge and shows (comparing with normality, down together) in advance, and prompting baroceptor or air-temperature sensor are malfunctioning; And for example motor produces pinking, and observing ignition angle gauge does not have the post ignition angle, and the prompting detonation sensor is malfunctioning.The motor of non-computer control ignition produces pinking, observes ignition angle gauge, and ignition angle shows normal, and the combustion chamber deposit of prompting motor causes that too much compression ratio changes, or the gasoline that uses is substandard.Motor undercapacity and for example, it is normal to observe the ignition angle gauge degrees of ignition advance, and gas leakage of prompting engine cylinder or individual cylinder misfire.
Four, description of drawings
Accompanying drawing 1 is the engine ignition angle gauge schematic circuit of pointer-type of the present invention;
Accompanying drawing 2 is skeleton diagrams of the present invention's pointer-type ignition angle gauge.
Engine distributor among the figure (22) is connected with igniting high-voltage conducting wires (23), spark plug (25) is connected with igniting high-voltage conducting wires (23), the output terminal of fire signal sensor (24) is connected with the input end of bistable trigger (27), the output terminal of top dead center signal emitter (21) is connected with the input end of top dead center signal shaping amplifier (26), the output terminal of top dead center signal shaping amplifier (26) is connected with the input end of bistable trigger (27), the output terminal of bistable trigger (27) is connected with the input end of current integration circuit (28), and the output terminal of current integration circuit (28) is connected with the input end of ammeter (29).
Five, embodiment
Further specify the mode of execution of pointer ignition angle gauge of the present invention below in conjunction with accompanying drawing.
Referring to accompanying drawing, the engine ignition angle gauge of pointer-type of the present invention, comprise top dead center signal emitter 21, igniting high-voltage conducting wires 23, the engine distributor 22 and the spark plug 25 that are connected with igniting high-voltage conducting wires 23, the top dead center signal amplifies and shaping circuit 26, bistable trigger 27, current integration circuit 28, ammeter 29, stabilized power supply 30, described fire signal sensor is close coil L outside the high-voltage conducting wires isolation layer, the close pitch of the laps number of coil L is the 10-20 circle, coil L one end ground connection, and the other end is by wiring terminal J2, capacitor C6 is connected with the S end of bistable trigger 27.
IC 1 is a 4-2 input NOR gate CD4001 intergrated circuit, comprise IC1-1, IC1-2, IC1-3, IC1-4, wherein IC1-3 and IC1-4 are connected into phase inverter, as last stop signal amplifier, connect and compose the top dead center signal with capacitor C1, C2, C3, diode D1, diode D2, resistance R 1, resistance R 2, resistance R 3 and amplify and shaping circuit 26.The output terminal of top dead center signal emitter 21 is connected with wiring terminal J1, the end of capacitor C1 is connected with wiring terminal J1, the other end of capacitor C1 is connected with an end of resistance R 1, the other end of resistance R 1, the end of capacitor C2, the positive terminal of diode D1, the negative pole end of diode D2, the end of capacitor C3, this five terminal interconnects, the other end of capacitor C2, the negative pole of diode D1, the positive terminal ground connection of diode D2, the other end of capacitor C3, one end of resistance R 2, the end of R3, the 8th pin of IC1-3, this five terminal of the 9th pin interconnects, another termination positive source of resistance R 2, the other end ground connection of resistance R 3, the 10th pin of IC1-3, IC1-4 the 12nd pin the 13rd pin, this tripod interconnects, the 11st pin of IC1-4 is an output terminal of going up stop signal shaping amplification circuit 26, and be connected with the end of capacitor C4, the other end of capacitor C4 is connected with an end of resistance R 4, the other end ground connection of R4, and capacitor C4 is connected with the 1st pin of IC1-1 with the node of resistance R 4.
The automatic reset circuit that bistable trigger 27 comprises IC1-1, IC1-2 and is made of diode D3, diode D4, semifixed resistor W1, capacitor C5, wherein automatic reset circuit is again as the protective circuit of ammeter 29.Placement is: the 2nd pin of IC1-1 is connected with the 4th pin of IC1-2, and the 3rd pin of IC1-1 is connected with the 5th pin of IC1-2, and the 1st pin of IC1-1 is the R end of bistable trigger, and the 2nd pin is the non-end of Q, and the 6th pin of IC1-2 is the S end, and the 5th pin is the Q end; The end of the positive terminal of the positive pole of diode D3, diode D4, W1, the end of capacitor C5, this four end interconnect, the negative pole end of diode D3 is connected with the 1st pin R end of IC1-1, the other end of the negative pole end of diode D4, semifixed resistor W1 is connected the other end ground connection of capacitor C5 with the 5th pin Q end of IC1-2.When motor in starting or when shutting down; sometimes produced fire signal; but steam-cylinder piston does not produce the top dead center signal without top dead center; the Q of bistable trigger end is in high level always like this; can produce excessive electric current ammeter 29 is burnt, thereby design the protective circuit of above-mentioned ammeter 29.Principle is as follows; when the Q end is in high level; electric current charges to capacitor C5 through semifixed resistor W1; when the both end voltage of C5 reaches the break over voltage of bistable trigger 27; capacitor C5 exports high level through diode D3 to the R of bistable trigger 27 end; thereby bistable trigger 27 counter-rotatings, its Q end is low level and has protected ammeter 29, and the duration of charge of adjusting capacitor C5 with semifixed resistor W1 is 0.005 second.
The positive terminal of ammeter 29 is connected the minus earth of ammeter 29 with the 1st pin of K1.
Stabilized power supply 30 is connected and composed by IC 2, diode D6, capacitor C8, C9, C10, C11, IC2 uses 7805 intergrated circuit, the 1st pin is an input end, the 2nd pin is an output terminal, the 3rd pin ground connection, the positive 12V of anodal termination power of diode D6, the negative pole end of the 1st pin of IC2, the positive terminal of capacitor C10, diode D6, the end of capacitor C11, this four end interconnects, the negative pole end ground connection of capacitor C10, the other end ground connection of C11.This three end of an end of the 2nd pin of IC2, the positive terminal of capacitor C9, capacitor C8 interconnects, the negative pole end ground connection of capacitor C9, the other end ground connection of C8.
When ignition angle is connected power supply, automatic reset circuit makes bistable trigger 27 place 0 state, its Q end is low level, current integration circuit 28 does not have integration current, ammeter 29 is shown as 0, during spark plug 25 igniting, close coil L around igniting high-voltage conducting wires 23 produces the fire signal induced voltage, ignition signal voltage is through wiring terminal J2, be transported to the S end of bistable trigger 27 through C6, R5 differential, its Q end of bistable trigger 27 counter-rotatings is high level, and charges to C7 through diode D5, semifixed resistor W2, throw over switch K1, and ammeter has integration current to show.When piston runs to compression stroke top dead center, top dead center signal emitter 21 produces the top dead center signal voltage, be transported to the input end of top dead center signal shaping amplifier 26 through wiring terminal J1, the top dead center signal voltage amplifies through 26 shapings of top dead center signal shaping amplifier, the 11st pin output by IC1-4, be transported to the R end of bistable trigger 27 through C4 and R4 differential, thereby its Q end of bistable trigger 27 counter-rotatings is low level, current integration circuit 28 stops current integration, go round and begin again, can form the intergration time of high level at the Q of bistable trigger 27 end, it is irrelevant with rotating speed to be directly proportional with the advance angle of engine ignition degree intergration time of this high level, convert integration current by current integration circuit 28 intergration time of this high level, and integration current shows by ammeter 29.The maximum degrees of ignition advance of general motor is divided into 60 lattice so 0 of ammeter spent to the scale of full scale in 60 degree, on behalf of electronic spark advance 1, every lattice spend.
The debugging of pointer-type ignition angle gauge, top dead center signal with simulation is imported from wiring terminal J1, from wiring terminal J2 input, be applied in single cylinder separated ignition mode motor with the fire signals of 60 degree in advance of simulation, the 1st pin of throw over switch K1 is connected with the 2nd pin, adjust semifixed resistor W2, make pointed 60 degree of ammeter 29, be applied in twin-tub firing mode motor simultaneously, the 1st pin of K1 is connected with the 3rd pin, adjust semifixed resistor W3, make pointed 60 degree of ammeter 29.
Claims (4)
1. the engine ignition angle gauge of a pointer-type, comprise top dead center signal emitter (21), igniting high-voltage conducting wires (23), the engine distributor (22) and the spark plug (25) that are connected with igniting high-voltage conducting wires (23), it is characterized in that it also comprises top dead center signal shaping amplifier (26), fire signal sensor (24), bistable trigger (27), current integration circuit (28), ammeter (29), stabilized power supply (30), described fire signal sensor (24) is close coil L outside igniting high-voltage conducting wires (23) isolation layer, the close pitch of the laps number of coil L is the 10-20 circle, coil L one end ground connection, the other end is by wiring terminal J2, capacitor C6 is connected with the S end of bistable trigger (27), top dead center signal shaping amplifier (26) is the IC1-3 by IC 1, IC1-4, capacitor C1, C2, C3, diode D1, diode D2, resistance R 1, resistance R 2, resistance R 3 connects and composes, bistable trigger (27) comprises the IC1-1 of IC 1, IC1-2 and by diode D3, diode D4, semifixed resistor W1, the bistable trigger automatic reset circuit that capacitor C5 connects and composes, wherein automatic reset circuit is again as the protective circuit of ammeter (29); Current integration circuit (28) is to be connected and composed by diode D5, semifixed resistor W2 and W3, capacitor C7, throw over switch K1, and described stabilized power supply (30) is to be connected and composed by IC 2, capacitor C8, C9, C10, C11, diode D6; The output terminal of top dead center signal emitter (21) is connected with the input end of top dead center signal shaping amplifier (26), the output terminal of top dead center signal shaping amplifier (26) is connected with the input end of bistable trigger (27), the output terminal of bistable trigger (27) is connected with the input end of current integration circuit (28), and the output terminal of current integration circuit (28) is connected with the input end of ammeter (29).
2. according to the engine ignition angle gauge of the described pointer-type of claim 1, IC1-1 the 1st pin that it is characterized in that described bistable trigger (27) is the R end of bistable trigger (27), it is the top dead center signal input part, the 6th pin of IC1-2 is the S end, it is the fire signal input end, the 3rd pin of IC1-1 is connected to the Q end with the 5th pin of IC1-2 and is connected with the input end of current integration circuit (28), the negative pole of diode D3 is connected with the R end, the negative pole of diode D4 is connected with the Q end, the end of semifixed resistor W1 is connected with the Q end, the end ground connection of capacitor C5, the other end of capacitor C5, the other end of semifixed resistor W1, the positive terminal of diode D3, this four end of the positive terminal of diode D4 interconnects.
3. the engine ignition angle gauge of pointer-type according to claim 1, an end that it is characterized in that the capacitor C1 of described top dead center signal shaping amplifier (26) is connected with wiring terminal J1, the other end of capacitor C1 is connected with an end of resistance R 1, the other end of resistance R 1, the end of capacitor C2, the positive terminal of diode D1, the negative pole end of diode D2, the end of capacitor C3, this 5 end interconnects, the other end of capacitor C2, the negative pole end of diode D1, the positive terminal of diode D2 is ground connection respectively, the other end of capacitor C3, one end of resistance R 2, one end of resistance R 3, the 8th pin of IC1-3 and the 9th pin, this 5 end interconnects, the positive 5V power supply of another termination of resistance R 2, the other end ground connection of resistance R 3, the 10th pin of IC1-3, this 3 pin of the 12nd pin of IC1-4 and the 13rd pin interconnects, the 11st pin of IC1-4 is the top dead center signal output part, and the 11st pin of this IC1-4 is connected with the end of capacitor C4.
4. the engine ignition angle gauge of pointer-type according to claim 1, the positive terminal that it is characterized in that the diode D5 of described current integration circuit (28) is connected with the 5th pin Q end of IC1-2, the end of the negative pole end of diode D5 and semifixed resistor W2, the end of semifixed resistor W3 connects, the other end of semifixed resistor W2 is connected with the 2nd pin of throw over switch K1, the other end of semifixed resistor W3 is connected with the 3rd pin of throw over switch K1, the 1st pin of throw over switch K1, the end of capacitor C7, this 3 end of the positive terminal of ammeter (29) interconnects, the other end ground connection of capacitor C7, the negative pole end ground connection of ammeter (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101144042A CN101672237B (en) | 2009-09-16 | 2009-09-16 | Ignition angle gauge of pointer type engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101144042A CN101672237B (en) | 2009-09-16 | 2009-09-16 | Ignition angle gauge of pointer type engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101672237A CN101672237A (en) | 2010-03-17 |
| CN101672237B true CN101672237B (en) | 2010-12-08 |
Family
ID=42019602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101144042A Expired - Fee Related CN101672237B (en) | 2009-09-16 | 2009-09-16 | Ignition angle gauge of pointer type engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101672237B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9541052B2 (en) * | 2014-08-13 | 2017-01-10 | Ford Global Technologies, Llc | Misfire detection using ion current integration and RPM adaptation |
| KR101845907B1 (en) * | 2016-02-26 | 2018-04-06 | 피에스아이 주식회사 | Display including nano-scale led module |
| CN106382177B (en) * | 2016-12-01 | 2018-12-18 | 福建永强力加动力设备有限公司 | Petrol engine ignition advance angle trial work dress |
| CN107989735B (en) * | 2017-11-03 | 2020-07-10 | 浙江锋龙电气股份有限公司 | Ignition angle measuring system and method for realizing position correction or angle measurement |
| CN111120178A (en) * | 2019-12-26 | 2020-05-08 | 上海铿仕实业有限公司 | Ignition timing simulation device based on multi-cylinder engine electric control system and use method |
-
2009
- 2009-09-16 CN CN2009101144042A patent/CN101672237B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101672237A (en) | 2010-03-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101672237B (en) | Ignition angle gauge of pointer type engine | |
| CN105156211B (en) | A kind of electronic control system for small-sized single cylinder four-stroke gasoline engine | |
| CN102602294A (en) | Method and device for displaying fuel economy state of car engine | |
| CN105444947B (en) | A kind of gas engine pinking test system and method | |
| CN103422997B (en) | Fuel feed system, method and comprise the automobile of this system | |
| CN103512754B (en) | Device and method for pressure loss detection or valve sealing propertytest in the enterprising Mobile state of quartastroke engine | |
| CN105606367B (en) | A kind of engine steady operation catches fire detection and self adaptation decision method and device | |
| CN201075056Y (en) | Sensor simulation signal generator | |
| CN201241760Y (en) | Light vehicle electric spray petrol engine management system satisfying national III discharge standard | |
| CN102620938B (en) | Backfire detecting device and backfire testing method for reciprocating piston engine | |
| CN101021195B (en) | Intelligent motorcycle speed-limiting ignitor | |
| CN200975309Y (en) | Autobicycle adjustable advance angle of ignition tester | |
| CN202187823U (en) | Fuel gas generating set | |
| CN104948330A (en) | Control system of gas engine for power generation | |
| CN101660477B (en) | Digital engine ignition angle gauge | |
| CN101271042A (en) | Software miss-fire generator | |
| CN201982190U (en) | Gas engine ignition injection control device | |
| CN204493055U (en) | A kind of four-cylinder gasoline engine ignition system | |
| CN202370652U (en) | Gas engine | |
| CN100487409C (en) | Generating method and device for fire fault of electric control gasoline injection engine | |
| CN202348516U (en) | Controller area network (CNA) bus-based automobile engine ignition advance angle control device | |
| CN106321325B (en) | Ignition method and device capable of adjusting ignition time according to temperature | |
| CN202202955U (en) | Ignition system for gas generator set | |
| CN110344956A (en) | A kind of Hybrid Vehicle injection system | |
| CN204212862U (en) | Throttle valve body assembly |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20150916 |
|
| EXPY | Termination of patent right or utility model |