FR2458174B1 - - Google Patents
Info
- Publication number
- FR2458174B1 FR2458174B1 FR7913657A FR7913657A FR2458174B1 FR 2458174 B1 FR2458174 B1 FR 2458174B1 FR 7913657 A FR7913657 A FR 7913657A FR 7913657 A FR7913657 A FR 7913657A FR 2458174 B1 FR2458174 B1 FR 2458174B1
- Authority
- FR
- France
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/0007—Control devices or systems
- A61C1/0015—Electrical systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/0007—Control devices or systems
- A61C1/0038—Pneumatic systems
-
- 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
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/16—Controlling the angular speed of one shaft
-
- 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
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
- H02P7/288—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using variable impedance
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Water Supply & Treatment (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Veterinary Medicine (AREA)
- Power Engineering (AREA)
- Control Of Electric Motors In General (AREA)
- Actuator (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Control Of Direct Current Motors (AREA)
- Feedback Control In General (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7913657A FR2458174A1 (fr) | 1979-05-29 | 1979-05-29 | Dispositif pneumatique de commande de la vitesse d'un moteur electrique |
US06/149,647 US4316130A (en) | 1979-05-29 | 1980-05-14 | Pneumatic device to control the speed of an electric motor |
GB8016713A GB2051378B (en) | 1979-05-29 | 1980-05-21 | Pneumatic pressure to voltage conversion for electric motor control |
DE3019796A DE3019796C2 (de) | 1979-05-29 | 1980-05-21 | Anordnung zum Steuern der Drehzahl eines elektromotorischen Antriebs |
CA000353031A CA1162603A (fr) | 1979-05-29 | 1980-05-29 | Dispositif pneumatique regulateur de regime pour moteur electrique |
JP7364180A JPS561792A (en) | 1979-05-29 | 1980-05-29 | Motor speed control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7913657A FR2458174A1 (fr) | 1979-05-29 | 1979-05-29 | Dispositif pneumatique de commande de la vitesse d'un moteur electrique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2458174A1 FR2458174A1 (fr) | 1980-12-26 |
FR2458174B1 true FR2458174B1 (fr) | 1982-06-18 |
Family
ID=9225971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7913657A Granted FR2458174A1 (fr) | 1979-05-29 | 1979-05-29 | Dispositif pneumatique de commande de la vitesse d'un moteur electrique |
Country Status (6)
Country | Link |
---|---|
US (1) | US4316130A (fr) |
JP (1) | JPS561792A (fr) |
CA (1) | CA1162603A (fr) |
DE (1) | DE3019796C2 (fr) |
FR (1) | FR2458174A1 (fr) |
GB (1) | GB2051378B (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4413214A (en) * | 1981-11-12 | 1983-11-01 | The Singer Company | Vented pneumatic foot controller |
JPS6047434U (ja) * | 1983-09-06 | 1985-04-03 | 松下電器産業株式会社 | 調理機 |
US4583029A (en) * | 1984-07-06 | 1986-04-15 | The Babcock & Wilcox Company | Variable speed resistive network for a pneumatic servo assembly of an electro-pneumatic converter |
JPS61177242A (ja) * | 1985-02-04 | 1986-08-08 | 東洋紡績株式会社 | 樹脂シ−ト |
US4622503A (en) * | 1985-09-26 | 1986-11-11 | Medical Instrument Development Laboratories, Inc. | Variable pneumatic output means for use with ophthalmic micro-surgical instruments |
US4677357A (en) * | 1985-10-11 | 1987-06-30 | Spence Scott L | Furnace draft control with remote control feature |
EP0242494B1 (fr) * | 1986-04-23 | 1989-05-17 | Ake Timerdahl | Dispositif à soupapes pour contrôler l'alimentation en air comprimé, eau et/ou autres fluides des outils à main, de préférence pièces à main dentaires |
AT387461B (de) * | 1986-07-15 | 1989-01-25 | Sprecher Energie Oesterreich | Elektronische messeinrichtung |
JPS6413789A (en) * | 1987-07-08 | 1989-01-18 | Ajinomoto Kk | Sheet for printed wiring board |
SE8803756D0 (sv) * | 1988-10-20 | 1988-10-20 | Acg-Nystroem Ab | Fjaerrkontroll av maskinfunktioner med fotpedaler eller blaasmunstycke |
US5477116A (en) * | 1993-11-22 | 1995-12-19 | Textron Inc. | Golf car having modular accelerator pedal assembly with non-contacting position sensor |
DE19943474C2 (de) * | 1999-09-10 | 2001-08-02 | Sirona Dental Systems Gmbh | Pneumatisch-elektrischer Wandler für dentale Einrichtungen |
DE102008009623A1 (de) * | 2008-02-18 | 2009-08-20 | Kaltenbach & Voigt Gmbh | Vorrichtung zum Betreiben eines elektrisch betriebenen medizinischen Instruments |
US20170251522A1 (en) * | 2014-11-06 | 2017-08-31 | Hirschmann Car Communication Gmbh | Contact pin made of copper wire |
CN111664984A (zh) * | 2020-06-21 | 2020-09-15 | 盐城师范学院 | 高空大气气压传感器 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1047409A (fr) * | 1951-12-27 | 1953-12-14 | Perfectionnements apportés à des moteurs électromagnétiques à mouvement alternatif et avec chambre à volume variable pour le transport de fluides, la compression d'air, de gaz et similaires | |
US2980837A (en) * | 1959-04-28 | 1961-04-18 | Baldwin Lima Hamilton Corp | Position and stress controlling servosystem |
US3501687A (en) * | 1965-11-09 | 1970-03-17 | Gen Electric | Excitation of transducers and square wave generators employed therefor |
US3469164A (en) * | 1966-02-04 | 1969-09-23 | Eaton Yale & Towne | Hoist pushbutton control |
DE1287803B (fr) * | 1966-11-23 | |||
US3555405A (en) * | 1967-09-01 | 1971-01-12 | Bailey Meter Co | Movable core transformer transducer with compensated primary winding |
GB1267961A (en) * | 1969-02-28 | 1972-03-22 | Lansing Bagnall Ltd | Improvements in direct current motor circuits |
DE2046336A1 (de) * | 1970-09-19 | 1972-04-27 | Daimler Benz Ag | Elektronischer Weggeber |
US3818292A (en) * | 1972-11-17 | 1974-06-18 | Energy Dev Ass | Electronic accelerator control for electric vehicle |
US3848180A (en) * | 1973-01-17 | 1974-11-12 | Gulton Ind Inc | Pressure transducer |
DK143723A (fr) * | 1975-03-20 | |||
DE2712734C2 (de) * | 1977-03-23 | 1983-12-01 | MEDTRONIC medizinisch-elektronische Gerätegesellschaft mbH, 6390 Usingen | Anordnung zur Steuerung der elektrischen Leistung zahnärztlicher Handinstrumente |
US4624484A (en) * | 1984-06-13 | 1986-11-25 | Atlantic Richfield Company | Shrink-fit connector for electrical well subsurface heating processes |
-
1979
- 1979-05-29 FR FR7913657A patent/FR2458174A1/fr active Granted
-
1980
- 1980-05-14 US US06/149,647 patent/US4316130A/en not_active Expired - Lifetime
- 1980-05-21 DE DE3019796A patent/DE3019796C2/de not_active Expired
- 1980-05-21 GB GB8016713A patent/GB2051378B/en not_active Expired
- 1980-05-29 JP JP7364180A patent/JPS561792A/ja active Granted
- 1980-05-29 CA CA000353031A patent/CA1162603A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2458174A1 (fr) | 1980-12-26 |
US4316130A (en) | 1982-02-16 |
DE3019796A1 (de) | 1980-12-04 |
CA1162603A (fr) | 1984-02-21 |
JPS561792A (en) | 1981-01-09 |
GB2051378A (en) | 1981-01-14 |
GB2051378B (en) | 1983-07-20 |
JPS5718435B2 (fr) | 1982-04-16 |
DE3019796C2 (de) | 1986-05-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |