CH628489B - Montre electronique, notamment montre-bracelet electronique. - Google Patents

Montre electronique, notamment montre-bracelet electronique.

Info

Publication number
CH628489B
CH628489B CH828378A CH828378A CH628489B CH 628489 B CH628489 B CH 628489B CH 828378 A CH828378 A CH 828378A CH 828378 A CH828378 A CH 828378A CH 628489 B CH628489 B CH 628489B
Authority
CH
Switzerland
Prior art keywords
watch
stepping motor
response
electronic
pulses
Prior art date
Application number
CH828378A
Other languages
English (en)
Other versions
CH628489GA3 (fr
Inventor
Makoto Ueda
Makaharu Shida
Masataka Ikenishi
Joichi Miyazaki
Hiromasa Nakanishi
Shozo Kushida
Original Assignee
Seiko Instr & Electronics
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 of CH628489B publication Critical patent/CH628489B/fr
Application filed by Seiko Instr & Electronics filed Critical Seiko Instr & Electronics
Publication of CH628489GA3 publication Critical patent/CH628489GA3/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)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Adornments (AREA)
CH828378A 1977-08-04 1978-08-03 Montre electronique, notamment montre-bracelet electronique. CH628489B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9366977A JPS5428176A (en) 1977-08-04 1977-08-04 Electronic watch

Publications (2)

Publication Number Publication Date
CH628489B true CH628489B (fr)
CH628489GA3 CH628489GA3 (fr) 1982-03-15

Family

ID=14088800

Family Applications (1)

Application Number Title Priority Date Filing Date
CH828378A CH628489B (fr) 1977-08-04 1978-08-03 Montre electronique, notamment montre-bracelet electronique.

Country Status (6)

Country Link
US (1) US4241433A (fr)
JP (1) JPS5428176A (fr)
CH (1) CH628489B (fr)
DE (1) DE2831213A1 (fr)
FR (1) FR2399689A1 (fr)
GB (1) GB2005053B (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH616045B (fr) * 1978-06-20 Ebauches Sa Procede pour reduire la consommation d'une piece d'horlogerie electronique et piece d'horlogerie electronique mettant en oeuvre ce procede.
FR2459579A1 (fr) * 1979-06-21 1981-01-09 Suisse Horlogerie Detecteur d'avance d'un moteur pas a pas
FR2461399A1 (fr) * 1979-07-09 1981-01-30 Suisse Horlogerie Detecteur de position d'un moteur pas a pas
US4300085A (en) * 1979-07-18 1981-11-10 Hitachi Koki Company, Limited Failure detection method and circuit for stepping motors
FR2464478A1 (fr) * 1979-09-04 1981-03-06 Suisse Horlogerie Detecteur d'avance d'un moteur pas a pas
US4362981A (en) * 1980-09-12 1982-12-07 Kabushiki Kaisha Daini Seikosha Driving circuit for a stepping motor
CH646301GA3 (fr) * 1981-12-23 1984-11-30
JPH0240103B2 (ja) * 1982-11-26 1990-09-10 Okura Industrial Co Ltd Sokukoseisetsuchakuzaisoseibutsu
JPS6258189A (ja) * 1985-09-09 1987-03-13 Seiko Instr & Electronics Ltd アナログ電子時計
DE3600515C1 (de) * 1986-01-10 1993-05-13 Fraunhofer Ges Forschung Elektronische Uhr
JP2503423Y2 (ja) * 1988-04-28 1996-07-03 カシオ計算機株式会社 指針式電子時計のステップモ―タ駆動回路
US6343050B1 (en) 2000-04-06 2002-01-29 Moneray International Ltd. Analog clock driven by radio signals with automatic resetting means
JP2002039808A (ja) * 2000-07-25 2002-02-06 Denso Corp 車両用指示計器
WO2008004605A1 (fr) * 2006-07-06 2008-01-10 Citizen Holdings Co., Ltd. Horloge électronique
US8841875B2 (en) * 2009-10-07 2014-09-23 Citizen Holdings Co., Ltd. Electronic watch
JP6653181B2 (ja) * 2016-01-21 2020-02-26 セイコーインスツル株式会社 トゥールビヨン、ムーブメント及び時計

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5319944B2 (fr) * 1971-09-25 1978-06-23
US4150536A (en) * 1976-01-28 1979-04-24 Citizen Watch Company Limited Electronic timepiece
US4129981A (en) * 1976-02-06 1978-12-19 Citizen Watch Company Limited Electronic timepiece
US7032827B2 (en) * 2004-06-18 2006-04-25 Super Talent Electronics, Inc. Combination SD/MMC flash memory card with thirteen contact pads

Also Published As

Publication number Publication date
CH628489GA3 (fr) 1982-03-15
GB2005053A (en) 1979-04-11
DE2831213A1 (de) 1979-02-15
GB2005053B (en) 1982-01-27
JPS5428176A (en) 1979-03-02
FR2399689A1 (fr) 1979-03-02
US4241433A (en) 1980-12-23
FR2399689B1 (fr) 1984-08-10

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