CH646576GA3 - - Google Patents
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- Publication number
- CH646576GA3 CH646576GA3 CH634181A CH634181A CH646576GA3 CH 646576G A3 CH646576G A3 CH 646576GA3 CH 634181 A CH634181 A CH 634181A CH 634181 A CH634181 A CH 634181A CH 646576G A3 CH646576G A3 CH 646576GA3
- Authority
- CH
- Switzerland
- Prior art keywords
- value
- power supply
- supply source
- electromotive force
- internal resistance
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
- G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Stepping Motors (AREA)
- Electromechanical Clocks (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH634181A CH646576GA3 (zh) | 1981-10-02 | 1981-10-02 | |
DE8282810397T DE3276087D1 (en) | 1981-10-02 | 1982-09-23 | Process and device for controlling a stepping motor in a clock mechanism |
EP82810397A EP0077293B1 (fr) | 1981-10-02 | 1982-09-23 | Procédé et dispositif de commande d'un moteur pas à pas d'une pièce d'horlogerie |
US06/426,316 US4467256A (en) | 1981-10-02 | 1982-09-29 | Method and device for controlling a stepping motor of a timepiece |
JP57171103A JPS58144770A (ja) | 1981-10-02 | 1982-10-01 | 時計のステツプ・モ−タを制御する方法および装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH634181A CH646576GA3 (zh) | 1981-10-02 | 1981-10-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH646576GA3 true CH646576GA3 (zh) | 1984-12-14 |
Family
ID=4308043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH634181A CH646576GA3 (zh) | 1981-10-02 | 1981-10-02 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4467256A (zh) |
EP (1) | EP0077293B1 (zh) |
JP (1) | JPS58144770A (zh) |
CH (1) | CH646576GA3 (zh) |
DE (1) | DE3276087D1 (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH653206GA3 (zh) * | 1983-09-16 | 1985-12-31 | ||
CH656776GA3 (zh) * | 1984-07-27 | 1986-07-31 | ||
JPS62237384A (ja) * | 1986-04-08 | 1987-10-17 | Seiko Instr & Electronics Ltd | 充電機能付きアナログ電子時計 |
CH672572B5 (zh) * | 1988-06-01 | 1990-06-15 | Detra Sa | |
US5247235A (en) * | 1988-06-01 | 1993-09-21 | Detra Sa | Method of supplying power to a single phase step motor |
JPH0332396A (ja) * | 1989-06-28 | 1991-02-12 | Sharp Corp | ステッピングモータ駆動装置 |
US5105140A (en) * | 1990-01-11 | 1992-04-14 | Baxer International Inc. | Peristaltic pump motor drive |
US5457365A (en) * | 1992-12-04 | 1995-10-10 | Integral Peripherals, Inc. | Disk drive power management system |
IT1306069B1 (it) * | 1998-11-20 | 2001-05-29 | Zapi Spa | Procedimento di alimentazione di motori asincroni con inverter,inparticolare per veicoli a batteria |
JP6145274B2 (ja) * | 2013-01-18 | 2017-06-07 | 日立オートモティブシステムズ株式会社 | ブラシレスモータの駆動装置 |
US20220385223A1 (en) * | 2021-05-25 | 2022-12-01 | Global Mixed-Mode Technology Inc. | Motor controller |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3812413A (en) * | 1972-03-06 | 1974-05-21 | Ibm | Drive circuit for inductive load |
GB2006995B (en) * | 1977-09-26 | 1982-11-17 | Citizen Watch Co Ltd | Drive system for pulse motor |
CH616813B (fr) * | 1977-12-28 | Ebauches Sa | Piece d'horlogerie electronique avec systeme de detection de fin de vie des piles. | |
DE2758853C2 (de) * | 1977-12-30 | 1979-08-16 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Vorrichtung zum Messen der Abmessung, z.B. Breite eines Körpers |
FR2458939A1 (fr) * | 1979-06-11 | 1981-01-02 | Seiko Instr & Electronics | Montre electronique |
JPS5619473A (en) * | 1979-07-27 | 1981-02-24 | Citizen Watch Co Ltd | Electronic timepiece |
JPS5643575A (en) * | 1979-09-18 | 1981-04-22 | Seiko Instr & Electronics Ltd | Electronic clock |
DE2944872C2 (de) * | 1979-11-07 | 1981-11-19 | Gebrüder Junghans GmbH, 7230 Schramberg | Anordnung zur Steuerung eines Schrittmotors für batteriebetriebene Geräte |
FR2471077A1 (fr) * | 1979-12-06 | 1981-06-12 | Ebauches Sa | Asservissement en temps reel avec detection dynamique de rotation pour moteur pas-a-pas |
CH632383B (fr) * | 1980-04-16 | Ebauchesfabrik Eta Ag | Piece d'horlogerie electronique. |
-
1981
- 1981-10-02 CH CH634181A patent/CH646576GA3/fr unknown
-
1982
- 1982-09-23 EP EP82810397A patent/EP0077293B1/fr not_active Expired
- 1982-09-23 DE DE8282810397T patent/DE3276087D1/de not_active Expired
- 1982-09-29 US US06/426,316 patent/US4467256A/en not_active Expired - Fee Related
- 1982-10-01 JP JP57171103A patent/JPS58144770A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
EP0077293B1 (fr) | 1987-04-15 |
EP0077293A1 (fr) | 1983-04-20 |
JPS58144770A (ja) | 1983-08-29 |
JPH0221757B2 (zh) | 1990-05-16 |
DE3276087D1 (en) | 1987-05-21 |
US4467256A (en) | 1984-08-21 |
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