CH641921GA3 - - Google Patents

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Publication number
CH641921GA3
CH641921GA3 CH132080A CH132080A CH641921GA3 CH 641921G A3 CH641921G A3 CH 641921GA3 CH 132080 A CH132080 A CH 132080A CH 132080 A CH132080 A CH 132080A CH 641921G A3 CH641921G A3 CH 641921GA3
Authority
CH
Switzerland
Prior art keywords
signal
motor
reference time
current
driving pulse
Prior art date
Application number
CH132080A
Other languages
English (en)
French (fr)
Other versions
CH641921B (fr
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Publication of CH641921B publication Critical patent/CH641921B/fr
Application filed filed Critical
Priority to CH132080A priority Critical patent/CH641921B/fr
Priority to DE19813104674 priority patent/DE3104674A1/de
Priority to US06/233,087 priority patent/US4425538A/en
Priority to GB8104056A priority patent/GB2070813B/en
Priority to FR8103086A priority patent/FR2476409A1/fr
Priority to JP2236181A priority patent/JPS56142475A/ja
Publication of CH641921GA3 publication Critical patent/CH641921GA3/fr

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)
CH132080A 1980-02-19 1980-02-19 Piece d'horlogerie avec un dispositif de controle du moteur pas a pas. CH641921B (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH132080A CH641921B (fr) 1980-02-19 1980-02-19 Piece d'horlogerie avec un dispositif de controle du moteur pas a pas.
DE19813104674 DE3104674A1 (de) 1980-02-19 1981-02-10 Zeitmessgeraet mit einem schrittschaltmotor und einer steuereinrichtung fuer denselben
US06/233,087 US4425538A (en) 1980-02-19 1981-02-10 Timepiece with a device for the control of a stepping motor
GB8104056A GB2070813B (en) 1980-02-19 1981-02-10 Timepiece with a device for the control of a stepping motor
FR8103086A FR2476409A1 (fr) 1980-02-19 1981-02-17 Piece d'horlogerie avec un dispositif de controle du moteur pas a pas
JP2236181A JPS56142475A (en) 1980-02-19 1981-02-19 Watch with stepping motor controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH132080A CH641921B (fr) 1980-02-19 1980-02-19 Piece d'horlogerie avec un dispositif de controle du moteur pas a pas.

Publications (2)

Publication Number Publication Date
CH641921B CH641921B (fr)
CH641921GA3 true CH641921GA3 (de) 1984-03-30

Family

ID=4207679

Family Applications (1)

Application Number Title Priority Date Filing Date
CH132080A CH641921B (fr) 1980-02-19 1980-02-19 Piece d'horlogerie avec un dispositif de controle du moteur pas a pas.

Country Status (6)

Country Link
US (1) US4425538A (de)
JP (1) JPS56142475A (de)
CH (1) CH641921B (de)
DE (1) DE3104674A1 (de)
FR (1) FR2476409A1 (de)
GB (1) GB2070813B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8203094A (nl) * 1982-08-04 1984-03-01 Philips Nv Werkwijze voor het analyseren van de in een bekrachtigingsspoel van een stappenmotor geinduceerde spanning.
CH653206GA3 (de) * 1983-09-16 1985-12-31
CH656776GA3 (de) * 1984-07-27 1986-07-31
US5142213A (en) * 1991-04-16 1992-08-25 Master Control Systems, Inc. Wye-delta open transition motor starter with leading phase monitor and method of use
NZ247030A (en) * 1992-03-12 1995-09-26 Kito Kk Indicating actual operating time of electric hoist motor
JP3256342B2 (ja) * 1993-08-04 2002-02-12 ティーアールダブリュ オートモーティブ ジャパン株式会社 ステッピングモータの脱調検出装置
JPH11127595A (ja) * 1997-08-11 1999-05-11 Seiko Epson Corp 電子機器
US7233125B2 (en) * 2005-09-01 2007-06-19 Stmicroelectronics, Inc. System and method for controlling an induction motor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH1372372A4 (de) * 1972-09-20 1976-09-15
JPS5345575A (en) * 1976-10-06 1978-04-24 Seiko Epson Corp Electronic wristwatch
JPS5345576A (en) * 1976-10-06 1978-04-24 Seiko Epson Corp Electronic wristwatch
JPS5477169A (en) * 1977-12-02 1979-06-20 Seiko Instr & Electronics Ltd Electronic watch
CH616813B (fr) * 1977-12-28 Ebauches Sa Piece d'horlogerie electronique avec systeme de detection de fin de vie des piles.
JPS5515054A (en) * 1978-07-19 1980-02-01 Seiko Instr & Electronics Ltd Electronic watch
DE2944872C2 (de) * 1979-11-07 1981-11-19 Gebrüder Junghans GmbH, 7230 Schramberg Anordnung zur Steuerung eines Schrittmotors für batteriebetriebene Geräte

Also Published As

Publication number Publication date
GB2070813B (en) 1984-04-04
FR2476409B1 (de) 1984-04-27
CH641921B (fr)
FR2476409A1 (fr) 1981-08-21
DE3104674C2 (de) 1990-08-02
GB2070813A (en) 1981-09-09
US4425538A (en) 1984-01-10
DE3104674A1 (de) 1982-01-07
JPS56142475A (en) 1981-11-06

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