FR2143891B1 - - Google Patents
Info
- Publication number
- FR2143891B1 FR2143891B1 FR727223609A FR7223609A FR2143891B1 FR 2143891 B1 FR2143891 B1 FR 2143891B1 FR 727223609 A FR727223609 A FR 727223609A FR 7223609 A FR7223609 A FR 7223609A FR 2143891 B1 FR2143891 B1 FR 2143891B1
- 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
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/20—Moving record carrier backwards or forwards by finite amounts, i.e. backspacing, forward spacing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/46—Controlling, regulating, or indicating speed
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712132783 DE2132783B2 (de) | 1971-07-01 | 1971-07-01 | Anordnung zur erzeugung des taktes fuer die aufzeichnung von digitaler information auf einem datentraeger, insbesondere einem magnetband |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2143891A1 FR2143891A1 (fr) | 1973-02-09 |
FR2143891B1 true FR2143891B1 (fr) | 1973-07-13 |
Family
ID=5812399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR727223609A Expired FR2143891B1 (fr) | 1971-07-01 | 1972-06-29 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3848167A (fr) |
CH (1) | CH551062A (fr) |
DE (1) | DE2132783B2 (fr) |
FR (1) | FR2143891B1 (fr) |
GB (1) | GB1392643A (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1485524A (en) * | 1973-10-26 | 1977-09-14 | Matsushita Electric Ind Co Ltd | Electric motors |
DE2745116C2 (de) * | 1977-10-07 | 1982-11-04 | Klimsch & Co, 6000 Frankfurt | Vorrichtung zur digitalen Größen- und Schärfeneinstellung von Reproduktionskameras |
GB2039095B (en) * | 1978-12-07 | 1982-11-24 | Hansen J S | Electric motors speed regulation |
US4376914A (en) * | 1980-03-11 | 1983-03-15 | Olympus Optical Company Ltd. | Motor control device |
CH650366A5 (de) * | 1980-07-18 | 1985-07-15 | Papst Motoren Kg | Kollektorloser gleichstromaussenlaeufermotor. |
IE53346B1 (en) * | 1981-06-30 | 1988-10-26 | Rodime Ltd | A method of and apparatus for,generating a unique index mark from the commutation signal of alpha d.c.brushless motor |
JPS58131571A (ja) * | 1982-01-14 | 1983-08-05 | Victor Co Of Japan Ltd | ホ−ルモ−タの速度検出方法 |
JPS59114553A (ja) * | 1982-12-22 | 1984-07-02 | Toshiba Corp | 原稿送り装置 |
DE4215812A1 (de) * | 1992-05-15 | 1993-11-18 | Thomson Brandt Gmbh | Verfahren und Vorrichtung zur Motorregelung mittels Hall-Sensor |
DE4311349A1 (de) * | 1993-04-06 | 1994-10-13 | Rolf Dr Strothmann | Elektrische Kraftübertragungseinrichtung |
US5469033A (en) * | 1994-05-20 | 1995-11-21 | Sl Montevideo Technology, Inc. | Virtual hall-effect signal generating for a brushless sensorless electrical rotary machine |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1563399A1 (de) * | 1966-09-14 | 1970-07-09 | Siemens Ag | Kollektorloser Gleichstrommotor |
US3576584A (en) * | 1967-11-13 | 1971-04-27 | Calma Co | Digital incremental magnetic tape recorder |
FR2031858A5 (fr) * | 1969-02-11 | 1970-11-20 | Thomson Csf | |
NL7113075A (fr) * | 1970-10-13 | 1972-04-17 |
-
1971
- 1971-07-01 DE DE19712132783 patent/DE2132783B2/de not_active Ceased
-
1972
- 1972-06-05 CH CH825472A patent/CH551062A/xx not_active IP Right Cessation
- 1972-06-27 US US00266642A patent/US3848167A/en not_active Expired - Lifetime
- 1972-06-29 FR FR727223609A patent/FR2143891B1/fr not_active Expired
- 1972-07-03 GB GB3111772A patent/GB1392643A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2132783B2 (de) | 1972-10-05 |
FR2143891A1 (fr) | 1973-02-09 |
GB1392643A (en) | 1975-04-30 |
CH551062A (de) | 1974-06-28 |
DE2132783A1 (fr) | 1972-10-05 |
US3848167A (en) | 1974-11-12 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |