JPS5536792A - Electronic timepiece - Google Patents

Electronic timepiece

Info

Publication number
JPS5536792A
JPS5536792A JP7694979A JP7694979A JPS5536792A JP S5536792 A JPS5536792 A JP S5536792A JP 7694979 A JP7694979 A JP 7694979A JP 7694979 A JP7694979 A JP 7694979A JP S5536792 A JPS5536792 A JP S5536792A
Authority
JP
Japan
Prior art keywords
motor
seconds
display unit
detection switch
supply circuit
Prior art date
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.)
Granted
Application number
JP7694979A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6342237B2 (en, 2012
Inventor
Betsuson Rene
Shiereru Igooru
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ebauches SA
Original Assignee
Ebauches SA
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
Application filed by Ebauches SA filed Critical Ebauches SA
Publication of JPS5536792A publication Critical patent/JPS5536792A/ja
Publication of JPS6342237B2 publication Critical patent/JPS6342237B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G04C10/04—Arrangements of electric power supplies in time pieces with means for indicating the condition of the power supply
    • 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)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
  • Credit Cards Or The Like (AREA)
JP7694979A 1978-06-20 1979-06-20 Electronic timepiece Granted JPS5536792A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH671578A CH616045B (fr) 1978-06-20 1978-06-20 Procede pour reduire la consommation d'une piece d'horlogerie electronique et piece d'horlogerie electronique mettant en oeuvre ce procede.

Publications (2)

Publication Number Publication Date
JPS5536792A true JPS5536792A (en) 1980-03-14
JPS6342237B2 JPS6342237B2 (en, 2012) 1988-08-22

Family

ID=4313910

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7694979A Granted JPS5536792A (en) 1978-06-20 1979-06-20 Electronic timepiece

Country Status (6)

Country Link
US (1) US4281405A (en, 2012)
JP (1) JPS5536792A (en, 2012)
CH (1) CH616045B (en, 2012)
DE (1) DE2919326C2 (en, 2012)
FR (1) FR2435076A1 (en, 2012)
GB (1) GB2023892B (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5582078A (en) * 1978-12-14 1980-06-20 Ricoh Elemex Corp Drive system for step motor for watch

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5612577A (en) 1979-07-13 1981-02-06 Seiko Instr & Electronics Ltd Electronic clock
CH640999B (fr) 1980-08-25 Ebauchesfabrik Eta Ag Procede et dispositif de commande d'une moteur pas a pas de piece d'horlogerie electronique.
CH646301GA3 (en, 2012) * 1981-12-23 1984-11-30
CH654170GA3 (en, 2012) * 1983-08-22 1986-02-14
CH653206GA3 (en, 2012) * 1983-09-16 1985-12-31
CH660279GA3 (en, 2012) * 1985-04-12 1987-04-15
JP2662785B2 (ja) * 1987-09-08 1997-10-15 セイコー電子工業株式会社 アクチュエータ駆動回路
JP2564739B2 (ja) * 1992-09-08 1996-12-18 株式会社精工舎 時 計
CN101454788A (zh) * 2006-05-31 2009-06-10 株式会社半导体能源研究所 半导体器件以及具有这种半导体器件的ic标贴、ic标签和ic卡

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5385467A (en) * 1976-12-30 1978-07-27 Seiko Epson Corp Electronic wristwatch
JPS5477162A (en) * 1977-12-02 1979-06-20 Seiko Instr & Electronics Ltd Electronic watch

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2125224C3 (de) * 1971-05-21 1980-12-18 Forschungsgesellschaft Fuer Uhren- Und Feingeraetetechnik E. V., 7000 Stuttgart Vorrichtung zur Korrektur des Ganges eines zeithaltenden Gerätes
JPS5319944B2 (en, 2012) * 1971-09-25 1978-06-23
CH1372372A4 (en, 2012) * 1972-09-20 1976-09-15
JPS5542356B2 (en, 2012) * 1972-12-22 1980-10-30
CH577209B5 (en, 2012) * 1973-10-04 1976-06-30 Suisse Horlogerie
JPS50120373A (en, 2012) * 1974-03-05 1975-09-20
JPS514519A (en) * 1974-07-02 1976-01-14 Yamatake Honeywell Co Ltd Sutetsupumootano kudokairo
US3963946A (en) * 1975-02-21 1976-06-15 Robertshaw Controls Company Driver circuit for step motor
CH600413B5 (en, 2012) * 1975-05-16 1978-06-15 Far Fab Assortiments Reunies
US4032827A (en) * 1976-03-15 1977-06-28 Timex Corporation Driver circuit arrangement for a stepping motor
JPS5345575A (en) * 1976-10-06 1978-04-24 Seiko Epson Corp Electronic wristwatch
JPS5428176A (en) * 1977-08-04 1979-03-02 Seiko Instr & Electronics Ltd Electronic watch
JPS5477169A (en) * 1977-12-02 1979-06-20 Seiko Instr & Electronics Ltd Electronic watch

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5385467A (en) * 1976-12-30 1978-07-27 Seiko Epson Corp Electronic wristwatch
JPS5477162A (en) * 1977-12-02 1979-06-20 Seiko Instr & Electronics Ltd Electronic watch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5582078A (en) * 1978-12-14 1980-06-20 Ricoh Elemex Corp Drive system for step motor for watch

Also Published As

Publication number Publication date
JPS6342237B2 (en, 2012) 1988-08-22
CH616045B (fr)
GB2023892A (en) 1980-01-03
CH616045GA3 (en, 2012) 1980-03-14
DE2919326C2 (de) 1982-11-25
DE2919326A1 (de) 1980-01-10
FR2435076A1 (fr) 1980-03-28
US4281405A (en) 1981-07-28
GB2023892B (en) 1982-12-22
FR2435076B1 (en, 2012) 1985-01-18

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