DE3177268D1 - - Google Patents
Info
- Publication number
- DE3177268D1 DE3177268D1 DE86109617T DE3177268T DE3177268D1 DE 3177268 D1 DE3177268 D1 DE 3177268D1 DE 86109617 T DE86109617 T DE 86109617T DE 3177268 T DE3177268 T DE 3177268T DE 3177268 D1 DE3177268 D1 DE 3177268D1
- Authority
- DE
- Germany
- 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 - Lifetime
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N3/00—Regulating air supply or draught
- F23N3/08—Regulating air supply or draught by power-assisted systems
- F23N3/082—Regulating air supply or draught by power-assisted systems using electronic means
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/08—Control circuits or arrangements thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
- H02P6/085—Arrangements for controlling the speed or torque of a single motor in a bridge configuration
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
- H02P6/16—Circuit arrangements for detecting position
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/44—Current or voltage
- D06F2103/46—Current or voltage of the motor driving the drum
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2233/00—Ventilators
- F23N2233/02—Ventilators in stacks
- F23N2233/04—Ventilators in stacks with variable speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Control Of Washing Machine And Dryer (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14126780A | 1980-04-17 | 1980-04-17 | |
US06/141,268 US4390826A (en) | 1974-06-24 | 1980-04-17 | Laundering apparatus, method of operating a laundry machine, control system for an electronically commutated motor, method of operating an electronically commutated motor, and circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3177268D1 true DE3177268D1 (US20050271598A1-20051208-C00001.png) | 1992-01-30 |
Family
ID=26838942
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181301711T Expired DE3175366D1 (en) | 1980-04-17 | 1981-04-16 | Electronically commutated motors for laundering machines |
DE86109617T Expired - Lifetime DE3177268D1 (US20050271598A1-20051208-C00001.png) | 1980-04-17 | 1981-04-16 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181301711T Expired DE3175366D1 (en) | 1980-04-17 | 1981-04-16 | Electronically commutated motors for laundering machines |
Country Status (3)
Country | Link |
---|---|
US (1) | US4390826A (US20050271598A1-20051208-C00001.png) |
EP (3) | EP0146673B1 (US20050271598A1-20051208-C00001.png) |
DE (2) | DE3175366D1 (US20050271598A1-20051208-C00001.png) |
Families Citing this family (79)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5075608A (en) * | 1974-06-24 | 1991-12-24 | Erdman David M | Control system, electronically commutated motor system, draft inducer apparatus and method |
US4449079A (en) * | 1980-04-17 | 1984-05-15 | General Electric Company | Control system for an electronically commutated motor |
USRE35124E (en) * | 1974-06-24 | 1995-12-19 | General Electric Company | Control system, electronically commutated motor system, draft inducer apparatus and method |
US5023527A (en) | 1974-06-24 | 1991-06-11 | General Electric Company | Control circuits, electronically commutated motor systems and methods |
US4654566A (en) * | 1974-06-24 | 1987-03-31 | General Electric Company | Control system, method of operating an electronically commutated motor, and laundering apparatus |
US4806717A (en) * | 1979-09-21 | 1989-02-21 | General Electric Company | Drive for a laundry machine |
US4556827A (en) * | 1980-04-17 | 1985-12-03 | General Electric Company | Laundering apparatus, method of operating a laundry machine, control system for an electronically commutated motor, method of operating an electronically commutated motor, and circuit |
US4532459A (en) * | 1980-04-17 | 1985-07-30 | General Electric Company | Laundering apparatus, method of operating a laundry machine, control system for an electronically commutated motor and method of operating an electronically commutated motor |
JPS58172994A (ja) * | 1982-04-02 | 1983-10-11 | Sony Corp | ブラシレスモ−タ |
US4528485A (en) * | 1982-04-13 | 1985-07-09 | General Electric Company | Electronically commutated motor, method of operating such, control circuit, laundry machine and drive therefor |
US4642537A (en) * | 1983-12-13 | 1987-02-10 | General Electric Company | Laundering apparatus |
NZ207431A (en) * | 1984-03-08 | 1989-03-29 | Fisher & Paykel | Pulse with modulation controls current in dc motor |
US4540921A (en) * | 1984-04-19 | 1985-09-10 | General Electric Company | Laundry apparatus and method of controlling such |
US4642536A (en) * | 1984-04-19 | 1987-02-10 | General Electric Company | Control system for an electronically commutated motor, method of controlling such, method of controlling an electronically commutated motor and laundry apparatus |
US4636936A (en) * | 1984-04-19 | 1987-01-13 | General Electric Company | Control system for an electronically commutated motor |
JPS60261387A (ja) * | 1984-06-07 | 1985-12-24 | Sony Corp | モ−タのドライブ回路 |
US4687977A (en) * | 1984-10-22 | 1987-08-18 | General Electric Company | Electronically controlled motor and methods of operating same |
US4832576A (en) * | 1985-05-30 | 1989-05-23 | Sanyo Electric Co., Ltd. | Electric fan |
JPH0667258B2 (ja) * | 1985-08-12 | 1994-08-24 | 松下電器産業株式会社 | ブラシレスモ−タ |
US4644234A (en) * | 1985-09-13 | 1987-02-17 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Four quadrant control circuit for a brushless three-phase d.c. motor |
NZ213490A (en) * | 1985-09-16 | 1990-03-27 | Fisher & Paykel | Cyclic motor reversal by forced commutation |
USRE37360E1 (en) * | 1985-09-16 | 2001-09-11 | Fisher & Paykel | Electronic motor controls, laundry machines including such controls and/or methods of operating such controls |
US4638233A (en) * | 1985-10-24 | 1987-01-20 | General Electric Company | Method of establishing a preferred rate of air flow, method of determining torque, and apparatus |
US4668898A (en) * | 1986-04-21 | 1987-05-26 | General Electric Company | Electronically commutated motor |
US4745513A (en) * | 1986-09-15 | 1988-05-17 | General Electric Company | Protection of GTO converters by emitter switching |
US4806833A (en) * | 1986-09-22 | 1989-02-21 | General Electric Company | System for conditioning air, method of operating such, and circuit |
US4851744A (en) * | 1987-04-08 | 1989-07-25 | Windings, Inc. | Feedback circuitry for D.C. motor speed control |
US4856286A (en) * | 1987-12-02 | 1989-08-15 | American Standard Inc. | Refrigeration compressor driven by a DC motor |
US4814677A (en) * | 1987-12-14 | 1989-03-21 | General Electric Company | Field orientation control of a permanent magnet motor |
US4859921A (en) * | 1988-03-10 | 1989-08-22 | General Electric Company | Electronic control circuits, electronically commutated motor systems, switching regulator power supplies, and methods |
US4922169A (en) * | 1988-10-04 | 1990-05-01 | Miniscribe Corporation | Method and apparatus for driving a brushless motor |
DE3841147A1 (de) * | 1988-12-07 | 1990-06-13 | Mulfingen Elektrobau Ebm | Verfahren zum ansteuern eines wechselstrom-motors sowie nach diesem verfahren ansteuerbarer wechselstrom-motor |
GB2243504B (en) * | 1990-03-07 | 1994-08-31 | Matsushita Electric Ind Co Ltd | Drive apparatus for brushless motor |
US5423192A (en) * | 1993-08-18 | 1995-06-13 | General Electric Company | Electronically commutated motor for driving a compressor |
US5506487A (en) * | 1991-03-28 | 1996-04-09 | General Electric Company | Systems and methods for driving a compressor with a motor |
US5512805A (en) * | 1991-10-03 | 1996-04-30 | Sgs-Thomson Microelectronics, Inc. | Method and apparatus for determining reverse rotation of a polyphase DC motor |
US5221881A (en) * | 1991-10-03 | 1993-06-22 | Sgs-Thomson Microelectronics, Inc. | Method and apparatus for operating polyphase DC motors |
US5306988A (en) * | 1991-10-03 | 1994-04-26 | Sgs-Thomson Microelectronics, Inc. | Method and apparatus for operating polyphase dc motors |
EP0840439A1 (en) * | 1992-02-28 | 1998-05-06 | STMicroelectronics, Inc. | Amplifier and method for detecting the bemf of a coil of a polyphase sensorless dc motor |
US5492273A (en) * | 1992-05-27 | 1996-02-20 | General Electric Company | Heating ventilating and/or air conditioning system having a variable speed indoor blower motor |
US5473229A (en) * | 1992-05-27 | 1995-12-05 | General Electric Company | Interface between programmable electronically commutated motor and personal computer and method of operation |
US5592058A (en) * | 1992-05-27 | 1997-01-07 | General Electric Company | Control system and methods for a multiparameter electronically commutated motor |
US5486743A (en) * | 1992-11-19 | 1996-01-23 | Kabushiki Kaisha Toshiba | Inverter and air conditioner controlled by the same |
US5682826A (en) * | 1993-02-22 | 1997-11-04 | General Electric Company | Systems and methods for controlling a draft inducer for a furnace |
US5616995A (en) * | 1993-02-22 | 1997-04-01 | General Electric Company | Systems and methods for controlling a draft inducer for a furnace |
US5680021A (en) * | 1993-02-22 | 1997-10-21 | General Electric Company | Systems and methods for controlling a draft inducer for a furnace |
USRE37576E1 (en) | 1993-02-22 | 2002-03-12 | General Electric Company | Single phase motor with positive torque parking positions |
US5418438A (en) * | 1993-02-26 | 1995-05-23 | General Electric Company | Draft inducer air flow control |
US5676069A (en) * | 1993-02-22 | 1997-10-14 | General Electric Company | Systems and methods for controlling a draft inducer for a furnace |
KR950004717A (ko) * | 1993-07-15 | 1995-02-18 | 가나이 쯔또무 | 브러시리스 모터구동회로 |
US5646491A (en) * | 1995-05-11 | 1997-07-08 | General Electric Company | Electrical motor with a differential phase back EMF sensing circuit for sensing rotor position |
US5821722A (en) * | 1995-06-06 | 1998-10-13 | General Electric Company | Multiphase electrical motor, control and method using overlapping conduction periods in the windings |
US5675231A (en) * | 1996-05-15 | 1997-10-07 | General Electric Company | Systems and methods for protecting a single phase motor from circulating currents |
US5825597A (en) * | 1996-09-25 | 1998-10-20 | General Electric Company | System and method for detection and control of circulating currents in a motor |
US5838127A (en) * | 1996-12-05 | 1998-11-17 | General Electric Company | Single phase motor for laundering apparatus |
US5994869A (en) * | 1997-12-05 | 1999-11-30 | General Electric Company | Power conversion circuit for a motor |
US6189171B1 (en) * | 1999-03-16 | 2001-02-20 | General Electric Company | Washing machine having a variable speed motor |
GB0226317D0 (en) * | 2002-11-09 | 2002-12-18 | Cambridge Consultants | Controller for a synchronous motor |
KR100479087B1 (ko) * | 2002-11-28 | 2005-03-28 | 엘지전자 주식회사 | 세탁기의 제동저항 어셈블리 |
US7573217B2 (en) | 2005-05-31 | 2009-08-11 | Regal-Beloit Corporation | Methods and systems for automatic rotation direction determination of electronically commutated motor |
US7614262B2 (en) * | 2005-07-05 | 2009-11-10 | Whirlpool Corporation | Multiple directional clutch for washing machine |
US20080044314A1 (en) * | 2006-06-23 | 2008-02-21 | Cephalon, Inc. | Pharmaceutical measuring and dispensing cup |
US20080148492A1 (en) * | 2006-12-20 | 2008-06-26 | Hollenbeck Robert K | Washing machines having motor braking circuits |
US8672733B2 (en) * | 2007-02-06 | 2014-03-18 | Nordyne Llc | Ventilation airflow rate control |
US20080295543A1 (en) * | 2007-06-01 | 2008-12-04 | Justin Brubaker | Washing machine apparatus and method |
US20080297098A1 (en) * | 2007-06-01 | 2008-12-04 | Robert Keith Hollenbeck | Washing machine apparatus and method |
US20080307803A1 (en) * | 2007-06-12 | 2008-12-18 | Nordyne Inc. | Humidity control and air conditioning |
US7770806B2 (en) | 2007-06-19 | 2010-08-10 | Nordyne Inc. | Temperature control in variable-capacity HVAC system |
US8035332B2 (en) * | 2007-10-31 | 2011-10-11 | General Electric Company | Motor apparatus and method |
DE202011111030U1 (de) * | 2010-12-22 | 2018-07-05 | Fisher & Paykel Appliances Limited | verbesserte Vorrichtung, Motor oder Stator |
US8820433B2 (en) | 2011-08-30 | 2014-09-02 | Black & Decker Inc. | Axially compact power tool |
US9728967B2 (en) * | 2014-03-24 | 2017-08-08 | Advanced Fusion Systems Llc | System for improving power factor in an AC power system |
EP2999099A1 (en) * | 2014-08-07 | 2016-03-23 | E.G.O. ELEKTRO-GERÄTEBAU GmbH | Electric drive system for a household appliance and household appliance |
DE102014111720A1 (de) * | 2014-08-18 | 2016-02-18 | Miele & Cie. Kg | Elektrobürste für einen Staubsauger mit Wirbelstrombremse |
DE102015119797A1 (de) * | 2015-11-16 | 2017-05-18 | Volkswagen Ag | Statoranordnung |
US10330225B2 (en) * | 2017-01-28 | 2019-06-25 | Mark Eugene Goodson | Lightning resistant gas tubing system |
US10913550B2 (en) | 2018-03-23 | 2021-02-09 | The Boeing Company | System and method for position and speed feedback control |
US10911061B2 (en) * | 2018-03-23 | 2021-02-02 | The Boeing Company | System and method for demodulation of resolver outputs |
US10830591B2 (en) * | 2018-03-23 | 2020-11-10 | The Boeing Company | System and method for dual speed resolver |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1806620A1 (de) * | 1968-11-02 | 1970-05-21 | Licentia Gmbh | Durch einen elektronischen Schalter geregelter Gleichstrommotor |
DE2129272A1 (US20050271598A1-20051208-C00001.png) * | 1970-06-12 | 1971-12-16 | Tokyo Shibaura Electric Co | |
US3783359A (en) * | 1971-12-23 | 1974-01-01 | Bendix Corp | Brushless d. c. motor using hall generators for commutation |
US3999108A (en) * | 1972-08-16 | 1976-12-21 | Canon Kabushiki Kaisha | Speed regulation system for DC motors with hall generators |
DE2314257C2 (de) * | 1973-03-22 | 1982-10-21 | Papst-Motoren GmbH & Co KG, 7742 St Georgen | Schaltungsanordnung zur Drehzahlregelung eines kollektorlosen Gleichstrommotors |
US4169990A (en) * | 1974-06-24 | 1979-10-02 | General Electric Company | Electronically commutated motor |
US4005347A (en) * | 1974-06-24 | 1977-01-25 | General Electric Company | Electronically commutated motor and method of making same |
US4015182A (en) * | 1974-06-24 | 1977-03-29 | General Electric Company | Refrigeration system and control therefor |
JPS5128610A (en) * | 1974-09-04 | 1976-03-11 | Hitachi Ltd | Museiryushimoota no sokudoseigyokairo |
JPS6053556B2 (ja) * | 1974-12-13 | 1985-11-26 | 株式会社リコー | 直流モ−タ回転制御方式 |
US3969658A (en) * | 1975-01-17 | 1976-07-13 | Emerson Electric Co. | Motor and control system having cyclic reversal and unidirectional capabilities |
DE2508546B2 (de) * | 1975-02-27 | 1978-03-30 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Kollektorloser Gleichstrommotor |
US4016468A (en) * | 1975-03-18 | 1977-04-05 | General Electric Company | Controlled rectifier motor drive system including d.c. fault detection and commutation means |
US4103216A (en) * | 1976-05-28 | 1978-07-25 | Tally Corporation | Stepping motor closed loop constant velocity control system |
US4175409A (en) * | 1976-06-14 | 1979-11-27 | General Electric Company | Clothes washing machine |
JPS5345586U (US20050271598A1-20051208-C00001.png) * | 1976-09-22 | 1978-04-18 | ||
DE2658321C2 (de) * | 1976-12-22 | 1978-12-07 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Regelanordnung für einen kollektorlosen Gleichstrommotor |
DE2834523C2 (de) * | 1978-08-07 | 1986-05-07 | Indramat Gesellschaft für Industrie-Rationalisierung und Automatisierung mbH, 8770 Lohr | Kollektorloser Gleichstrommotor |
-
1980
- 1980-04-17 US US06/141,268 patent/US4390826A/en not_active Expired - Lifetime
-
1981
- 1981-04-16 EP EP84107030A patent/EP0146673B1/en not_active Expired
- 1981-04-16 EP EP81301711A patent/EP0038694B2/en not_active Expired - Lifetime
- 1981-04-16 DE DE8181301711T patent/DE3175366D1/de not_active Expired
- 1981-04-16 EP EP86109617A patent/EP0218017B1/en not_active Expired - Lifetime
- 1981-04-16 DE DE86109617T patent/DE3177268D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0218017A1 (en) | 1987-04-15 |
DE3175366D1 (en) | 1986-10-30 |
EP0038694A1 (en) | 1981-10-28 |
EP0218017B1 (en) | 1991-12-18 |
EP0038694B1 (en) | 1986-09-24 |
US4390826A (en) | 1983-06-28 |
EP0146673A1 (en) | 1985-07-03 |
EP0038694B2 (en) | 1990-12-12 |
EP0146673B1 (en) | 1989-03-08 |
Similar Documents
Legal Events
Date | Code | Title | Description |
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8328 | Change in the person/name/address of the agent |
Free format text: VOIGT, R., DIPL.-ING., PAT.-ANW., 6232 BAD SODEN |
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8364 | No opposition during term of opposition |