CN1011822B - 电容式旋转型传感器 - Google Patents
电容式旋转型传感器Info
- Publication number
- CN1011822B CN1011822B CN87106077A CN87106077A CN1011822B CN 1011822 B CN1011822 B CN 1011822B CN 87106077 A CN87106077 A CN 87106077A CN 87106077 A CN87106077 A CN 87106077A CN 1011822 B CN1011822 B CN 1011822B
- Authority
- CN
- China
- Prior art keywords
- coating
- moving plate
- stator
- track
- rotary
- 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
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 19
- 238000000576 coating method Methods 0.000 claims description 118
- 239000011248 coating agent Substances 0.000 claims description 105
- 238000005259 measurement Methods 0.000 claims description 72
- 239000004020 conductor Substances 0.000 claims description 46
- 239000011247 coating layer Substances 0.000 claims description 33
- 239000003990 capacitor Substances 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 6
- 230000001939 inductive effect Effects 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000002950 deficient Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007620 mathematical function Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
- H03M1/16—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps
- H03M1/161—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps in pattern-reading type converters, e.g. with gearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
- G01D5/241—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
- G01D5/2412—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes by varying overlap
- G01D5/2415—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes by varying overlap adapted for encoders
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/64—Analogue/digital converters with intermediate conversion to phase of sinusoidal or similar periodical signals
- H03M1/645—Analogue/digital converters with intermediate conversion to phase of sinusoidal or similar periodical signals for position encoding, e.g. using resolvers or synchros
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3629792 | 1986-09-02 | ||
| DEP3629792.5 | 1986-09-02 | ||
| DE19863637529 DE3637529A1 (de) | 1986-09-02 | 1986-11-04 | Kapazitiver linear- oder drehgeber zum steuern und positionieren von bewegten gegenstaenden |
| DEP3637529.2 | 1986-11-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN87106077A CN87106077A (zh) | 1988-06-01 |
| CN1011822B true CN1011822B (zh) | 1991-02-27 |
Family
ID=25847126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN87106077A Expired CN1011822B (zh) | 1986-09-02 | 1987-09-02 | 电容式旋转型传感器 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4851835A (enExample) |
| EP (1) | EP0258725B1 (enExample) |
| CN (1) | CN1011822B (enExample) |
| DE (2) | DE3637529A1 (enExample) |
Families Citing this family (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3824534A1 (de) * | 1988-07-20 | 1990-01-25 | Bosch Gmbh Robert | Messeinrichtung zur beruehrungslosen bestimmung einer weg- und/oder winkelaenderung |
| DE3832929C1 (enExample) * | 1988-09-28 | 1989-08-24 | Voest-Alpine Automotive Ges.M.B.H., Linz, At | |
| EP0447405B1 (en) * | 1988-12-06 | 1995-08-02 | Boral Johns Perry Industries Pty. Ltd. | Control system for a motor |
| DE3921756C1 (enExample) * | 1989-07-01 | 1991-01-03 | Teldix Gmbh, 6900 Heidelberg, De | |
| DE69014577T2 (de) * | 1989-10-10 | 1995-07-27 | Mitutoyo Corp | Verfahren und Vorrichtung zur gleichzeitigen Messung der Winkel- und Axialposition. |
| DE4118218A1 (de) * | 1990-11-03 | 1992-12-10 | Valeo Borg Instr Verw Gmbh | Kapazitive messeinrichtung zum elektrischen erfassen eines stellwinkels, insbesondere einer drosselklappe |
| CA2070739A1 (en) * | 1991-06-21 | 1992-12-22 | Stephen C. Jacobsen | Rotary displacement measuring apparatus |
| DE9112592U1 (de) * | 1991-10-10 | 1993-02-04 | Papst-Motoren GmbH & Co KG, 7742 St Georgen | Kapazitiv arbeitende Positionsmeßvorrichtung |
| AT398245B (de) * | 1991-12-30 | 1994-10-25 | Brasseur Georg Dr Techn | Kapazitiver drehwinkelsensor |
| DE4215701C1 (en) * | 1992-05-13 | 1993-07-22 | Teldix Gmbh, 6900 Heidelberg, De | Capacitive angle encoder - contains correction capacitor set up to correct for reproducible, angle dependent errors before sealing housing |
| DE4215702A1 (de) * | 1992-05-13 | 1993-11-25 | Teldix Gmbh | Kapazitiver Winkelenkoder |
| IT1260509B (it) * | 1992-06-02 | 1996-04-09 | Roberto Cerini | Sensore intelligente con uscita e controllo digitali comprendente un trasduttore per misure assolute di spostamenti lineari ed angolari |
| SE9202005L (sv) * | 1992-06-29 | 1993-12-20 | Johansson Ab C E | Skalsystem för absolutmätning |
| DE4228719A1 (de) * | 1992-08-28 | 1994-03-03 | Schaeffler Waelzlager Kg | Kapazitiver Lenkwinkelsensor für ein Kraftfahrzeug |
| DE4232864A1 (de) * | 1992-09-30 | 1994-03-31 | Thomson Brandt Gmbh | Drehwinkel-, Drehzahl- und Drehrichtungsmessung |
| US5457890A (en) * | 1993-03-22 | 1995-10-17 | Mooty; Glenn J. | Scalable measuring apparatus and displacement display device, system and method |
| US5574442A (en) * | 1993-07-12 | 1996-11-12 | Murata Manufacturing Co., Ltd. | Inclination angle sensor |
| DE4410918A1 (de) * | 1994-03-29 | 1995-10-05 | R & R Ges Fuer Rationalisierun | Vorrichtung zur kapazitiven Wegmessung und/oder Positionsbestimmung |
| JP3256443B2 (ja) * | 1996-09-20 | 2002-02-12 | 株式会社ミツトヨ | 静電容量式変位測定装置 |
| DE19719354C2 (de) * | 1997-05-07 | 2000-12-07 | Tyco Electronics Logistics Ag | Magneto-elektronischer Winkelsensor, insbesondere Reluktanz-Resolver |
| US6073713A (en) * | 1998-03-25 | 2000-06-13 | Ford Global Technologies, Inc. | Crankshaft position sensing with combined starter alternator |
| DE19838045A1 (de) * | 1998-08-21 | 2000-02-24 | Mercedes Benz Lenkungen Gmbh | Drehwinkelsensor |
| US6492911B1 (en) * | 1999-04-19 | 2002-12-10 | Netzer Motion Sensors Ltd. | Capacitive displacement encoder |
| US6211641B1 (en) * | 1999-05-12 | 2001-04-03 | Trw Inc. | Capacitive resolver |
| US6170162B1 (en) | 1999-05-27 | 2001-01-09 | Sarcos, L.C. | Rotary displacement system using differential measuring |
| RU2236080C2 (ru) * | 2002-07-10 | 2004-09-10 | Государственное унитарное предприятие "Конструкторское бюро приборостроения" | Способ определения фазовой связи каналов и блок для его реализации (варианты), двумерный способ управления и двумерная система для его реализации |
| CN101218512A (zh) * | 2004-06-23 | 2008-07-09 | Fe技术服务公司 | 电容传感技术 |
| US7075317B2 (en) * | 2004-08-06 | 2006-07-11 | Waters Investment Limited | System and method for measurement of small-angle or small-displacement |
| US7259695B2 (en) * | 2004-09-17 | 2007-08-21 | Andermotion Technologies Llc | Low-profile multi-turn encoder systems and methods |
| US20060176189A1 (en) * | 2005-02-06 | 2006-08-10 | David Bar-On | Two Dimensional Layout, High Noise Immunity, Interleaved Channels Electrostatic Encoder |
| DE102005011197B4 (de) * | 2005-03-09 | 2013-03-07 | Komet Group Gmbh | Drehübertrager und damit ausgerüstetes Maschinengestell |
| CN101534630A (zh) * | 2006-05-24 | 2009-09-16 | Tt电子技术有限公司 | 多圈旋转传感器 |
| DE102007055189A1 (de) * | 2007-11-19 | 2009-05-20 | Robert Bosch Gmbh | Kapazitive Messeinrichtung mit einem zwischen Elektrodenplatten angeordnetem Element mit Abschnitten unterschiedlicher Dielektrizitätskonstanten |
| DE102009019172A1 (de) * | 2009-04-28 | 2010-11-04 | Hengstler Gmbh | Kapazitiver Drehsensor |
| CN101988837A (zh) * | 2009-08-07 | 2011-03-23 | 鸿富锦精密工业(深圳)有限公司 | 旋转感应装置及具有旋转感应装置的便携式电子装置 |
| DE102010036006A1 (de) * | 2010-08-31 | 2012-03-01 | Continental Automotive Gmbh | Drehsteller |
| DE102010046778B4 (de) * | 2010-09-28 | 2017-11-02 | Trw Automotive Electronics & Components Gmbh | Kapazitiver Drehgeber |
| GB201311400D0 (en) * | 2013-06-27 | 2013-08-14 | Deregallera Holdings Ltd | Position Sensor |
| EP3040689B1 (de) | 2014-12-04 | 2017-07-19 | Hexagon Technology Center GmbH | Absoluter kapazitiver Winkelencoder |
| US9505140B1 (en) * | 2015-06-02 | 2016-11-29 | Irobot Corporation | Contact sensors for a mobile robot |
| DE102015121432A1 (de) * | 2015-12-09 | 2017-06-14 | Sick Ag | Vorrichtung zur kontaktlosen Übertragung von Daten und zur Ermittlung einer Winkeländerung zwischen zwei sich relativ zueinander bewegenden Gegenständen |
| CN106289043B (zh) * | 2016-08-10 | 2019-04-12 | 成都芯通软件有限公司 | 一种电容式距离测量方法、装置及其定标方法 |
| CN106643824B (zh) * | 2016-09-18 | 2019-05-03 | 芯愿景软件有限公司 | 一种提高电容编码器测量密度的方法及电容编码器 |
| CN106643470B (zh) * | 2016-12-26 | 2019-04-23 | 清华大学 | 一种绝对式电容角位移测量传感器 |
| WO2018205260A1 (en) * | 2017-05-12 | 2018-11-15 | Texas Instruments Incorporated | Capacitive-sensing rotary encoders and methods |
| CN110869709B (zh) | 2017-05-12 | 2022-01-21 | 德州仪器公司 | 用以确定电机的可旋转轴的位置的方法及设备 |
| RU2766687C2 (ru) * | 2017-09-01 | 2022-03-15 | Сосьете Де Продюи Нестле С.А. | Устройство для определения частоты сердечных сокращений и связанные с ним системы и способы |
| CN109211092B (zh) * | 2017-12-15 | 2019-06-21 | 重庆理工大学 | 一种基于交变电场的绝对式时栅角位移传感器 |
| RU2724150C1 (ru) * | 2019-09-05 | 2020-06-22 | Открытое акционерное общество "Специальное Конструкторское Бюро Измерительных Систем" | Емкостной абсолютный преобразователь угловых перемещений |
| DE102021106879A1 (de) | 2021-03-19 | 2022-09-22 | HELLA GmbH & Co. KGaA | Positionserfassung für einen Drehwinkelsensor |
| CN118548917B (zh) * | 2024-07-23 | 2024-11-08 | 基合半导体(宁波)有限公司 | 角度检测装置及角度检测方法 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1248961B (enExample) * | ||||
| US3068457A (en) * | 1957-11-01 | 1962-12-11 | Telecomputing Corp | Displacement measuring device |
| US3172023A (en) * | 1959-10-08 | 1965-03-02 | Benjamin P Blasingame | Variable capacitor |
| CH397261A (de) * | 1960-10-15 | 1965-08-15 | Continental Elektro Ind Ag | Einrichtung zur absatzweisen Winkelstellungsmessung, mit einem aus Rotor und Stator bestehenden elektromechanischen Wandler |
| DE1850201U (de) * | 1962-01-16 | 1962-04-19 | Continental Elektroindustrie | Elektromechanischer wandler. |
| FR1427243A (fr) * | 1965-01-07 | 1966-02-04 | Inductosyn Corp | Connexions encastrées pour un transformateur de mesure de position |
| FR1453408A (fr) * | 1965-07-30 | 1966-09-23 | Crouzet Sa | Nouveau codeur capacitif avec circuits d'amplification et de mise en forme intégrés |
| CH539837A (de) * | 1972-03-22 | 1973-07-31 | Ulrich Meyer Hans | Kapazitive Längenmesseinrichtung |
| US3760392A (en) * | 1972-05-15 | 1973-09-18 | Allis Chalmers | Capacitive position sensor |
| US3961318A (en) * | 1975-01-17 | 1976-06-01 | Inductosyn Corporation | Electrostatic position-measuring transducer |
| CA1060925A (en) * | 1975-01-17 | 1979-08-21 | Massey-Ferguson Inc. | Tractor cab and safety frame mounting |
| US4429308A (en) * | 1976-09-30 | 1984-01-31 | Charles J. Cain | Electrode or pole piece array for creating prescribed electric or magnetic fields |
| US4092579A (en) * | 1976-12-15 | 1978-05-30 | Contraves Goerz Corporation | Brushless printed circuit resolver |
| AT353513B (de) * | 1977-07-15 | 1979-11-26 | List Hans | Einrichtung zur messung des drehwinkels einer umlaufenden welle |
| SE411392B (sv) * | 1977-12-09 | 1979-12-17 | Inst Mikrovagsteknik Vid Tekni | Metanordning for kapacitiv bestemning av det inbordes leget hos tva relativt varandra rorliga delar |
| US4268889A (en) * | 1978-05-31 | 1981-05-19 | Automatic Systems Laboratories Limited | Rotary displacement capacitive transducers |
| US4238781A (en) * | 1979-02-09 | 1980-12-09 | Westinghouse Electric Corp. | Capacitive angular displacement transducer for remote meter reading |
| CH648929A5 (fr) * | 1982-07-07 | 1985-04-15 | Tesa Sa | Dispositif de mesure capacitif de deplacement. |
| JPS6093312A (ja) * | 1983-10-27 | 1985-05-25 | Mitsutoyo Mfg Co Ltd | 容量式変位測定機 |
| DE3340782C2 (de) * | 1983-11-11 | 1985-12-05 | Mauser-Werke Oberndorf Gmbh, 7238 Oberndorf | Kapazitive Längen- und Winkelmeßeinrichtung |
| GB2176013B (en) * | 1985-05-23 | 1989-07-19 | Mitutoyo Mfg Co Ltd | Variable capacitance type encoder |
| US4755731A (en) * | 1987-01-15 | 1988-07-05 | Mcdonnell Douglas Corporation | Optical scanning transducer |
-
1986
- 1986-11-04 DE DE19863637529 patent/DE3637529A1/de active Granted
-
1987
- 1987-08-17 DE DE8787111904T patent/DE3786431D1/de not_active Expired - Fee Related
- 1987-08-17 EP EP87111904A patent/EP0258725B1/de not_active Expired - Lifetime
- 1987-08-31 US US07/091,507 patent/US4851835A/en not_active Expired - Fee Related
- 1987-09-02 CN CN87106077A patent/CN1011822B/zh not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0258725A2 (de) | 1988-03-09 |
| CN87106077A (zh) | 1988-06-01 |
| DE3637529C2 (enExample) | 1990-02-01 |
| DE3786431D1 (de) | 1993-08-12 |
| DE3637529A1 (de) | 1988-03-17 |
| EP0258725B1 (de) | 1993-07-07 |
| US4851835A (en) | 1989-07-25 |
| EP0258725A3 (en) | 1990-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1011822B (zh) | 电容式旋转型传感器 | |
| CN1053533C (zh) | 经济的宽范围速度控制系统 | |
| CN1276235C (zh) | 用于测量高线性磁通密度的角位置传感器 | |
| CN1188663C (zh) | 绝对编码器 | |
| CN101876556B (zh) | 位置检测装置及其信号处理装置 | |
| CN105675027B (zh) | 绝对电容式旋转编码器、确定角度的方法、机器可读介质 | |
| CN101583850B (zh) | 用于电路板元件插入机的电容式角度编码器和供件盒 | |
| CN1255974A (zh) | 静电电容-电压转换器及转换方法 | |
| CN1347493A (zh) | 电容式位移编码器 | |
| CN85108622A (zh) | 用于脆性材料制成的电容传感器的电路 | |
| DK2270433T3 (en) | Capacitive rotary angle sensor | |
| CN1218150A (zh) | 无轴承旋转机械 | |
| CN1894571A (zh) | 用在电容位移感测系统和方法中的信号平衡屏蔽电极构造 | |
| CN1769844A (zh) | 编码器输出信号校正设备和方法 | |
| JP2008051827A (ja) | 角度変換器 | |
| CN1789920A (zh) | 角度检测传感器的补偿值计算方法以及使用其的角度检测传感器 | |
| CN110932514B (zh) | 一种无刷电机及电机转子位置的检测方法 | |
| CN1517666A (zh) | 电机的测量装置和测量方法 | |
| CN112414322B (zh) | 一种转台定位误差分离方法 | |
| CN1487519A (zh) | 伺服轨道写入设备及其方法 | |
| CN208818228U (zh) | 一种分体式编码器的调节设备 | |
| CN115589180B (zh) | 一种基于正余弦位置编码器的正交误差补偿方法 | |
| CN115031769B (zh) | 动力模组和位置校正方法 | |
| CN1026937C (zh) | 控制电机速度的系统与方法 | |
| CN1874140A (zh) | 矢量控制的交流电动机的速度控制装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |