JPS5542356B2 - - Google Patents

Info

Publication number
JPS5542356B2
JPS5542356B2 JP12892372A JP12892372A JPS5542356B2 JP S5542356 B2 JPS5542356 B2 JP S5542356B2 JP 12892372 A JP12892372 A JP 12892372A JP 12892372 A JP12892372 A JP 12892372A JP S5542356 B2 JPS5542356 B2 JP S5542356B2
Authority
JP
Japan
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
Application number
JP12892372A
Other languages
Japanese (ja)
Other versions
JPS4985514A (en
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 filed Critical
Priority to JP12892372A priority Critical patent/JPS5542356B2/ja
Publication of JPS4985514A publication Critical patent/JPS4985514A/ja
Publication of JPS5542356B2 publication Critical patent/JPS5542356B2/ja
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • G04C3/143Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
JP12892372A 1972-12-22 1972-12-22 Expired JPS5542356B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12892372A JPS5542356B2 (en) 1972-12-22 1972-12-22

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP12892372A JPS5542356B2 (en) 1972-12-22 1972-12-22
GB5915173A GB1425840A (en) 1972-12-22 1973-12-20 Electronic timepiece
US42720873 US3855781A (en) 1972-12-22 1973-12-21 Step motor mechanism for electronic timepiece
HK4678A HK4678A (en) 1972-12-22 1978-01-19 Electronic timepiece
MY7800077A MY7800077A (en) 1972-12-22 1978-12-30 Electronic timepiece

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP3014580A Division JPS55129785A (en) 1980-03-10 1980-03-10 Step motor mechanism for electronic watch
JP3014680A Division JPS569669B2 (en) 1980-03-10 1980-03-10

Publications (2)

Publication Number Publication Date
JPS4985514A JPS4985514A (en) 1974-08-16
JPS5542356B2 true JPS5542356B2 (en) 1980-10-30

Family

ID=14996707

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12892372A Expired JPS5542356B2 (en) 1972-12-22 1972-12-22

Country Status (5)

Country Link
US (1) US3855781A (en)
JP (1) JPS5542356B2 (en)
GB (1) GB1425840A (en)
HK (1) HK4678A (en)
MY (1) MY7800077A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0379469U (en) * 1989-12-05 1991-08-13

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1451359A (en) * 1973-11-30 1976-09-29 Citizen Watch Co Ltd Pulse motor driven circuit
JPS5010433A (en) * 1973-06-04 1975-02-03
JPS50120373A (en) * 1974-03-05 1975-09-20
JPS604666B2 (en) * 1974-04-04 1985-02-05 Suwa Seikosha Kk
JPS5199077A (en) * 1975-02-26 1976-09-01 Seiko Instr & Electronics DENSHIDOKEINIOKERUKUDOSOCHI
JPS51123186A (en) * 1975-04-18 1976-10-27 Seiko Instr & Electronics Ltd Electronic watch
JPS525566A (en) * 1975-07-02 1977-01-17 Citizen Watch Co Ltd Electric clock
JPS5243006U (en) * 1975-09-23 1977-03-26
JPS5292560A (en) * 1976-01-29 1977-08-04 Seiko Instr & Electronics Ltd Switch box drive pulse width control circuit for electronic clocks
JPS5312669A (en) * 1976-07-21 1978-02-04 Seiko Instr & Electronics Ltd Hands reversing device of electronic watch
JPS6217198B2 (en) * 1976-10-06 1987-04-16 Seikoo Epuson Kk
JPS6126034B2 (en) * 1977-01-19 1986-06-18 Suwa Seikosha Kk
JPS6318148B2 (en) * 1977-03-16 1988-04-16 Seiko Denshi Kogyo Kk
JPS629877B2 (en) * 1977-04-23 1987-03-03 Seiko Denshi Kogyo Kk
JPS6115381B2 (en) * 1977-04-23 1986-04-23 Seiko Denshi Kogyo Kk
JPS6115382B2 (en) * 1977-04-23 1986-04-23 Seiko Denshi Kogyo Kk
JPS6115380B2 (en) * 1977-04-23 1986-04-23 Seiko Denshi Kogyo Kk
JPS6137588B2 (en) * 1977-04-23 1986-08-25 Seiko Denshi Kogyo Kk
JPS629876B2 (en) * 1977-04-23 1987-03-03 Seiko Denshi Kogyo Kk
JPS6120820B2 (en) * 1977-04-23 1986-05-23 Seiko Denshi Kogyo Kk
GB2006995B (en) * 1977-09-26 1982-11-17 Citizen Watch Co Ltd Drive system for pulse motor
JPS6115387B2 (en) * 1977-12-02 1986-04-23 Seiko Denshi Kogyo Kk
JPS613439B2 (en) * 1977-12-14 1986-02-01 Citizen Watch Co Ltd
JPS54133382A (en) * 1978-04-07 1979-10-17 Seiko Epson Corp Crystal wristwatch
CH616045A (en) * 1978-06-20 1980-03-14
US4221111A (en) * 1978-08-15 1980-09-09 Citizen Watch Company Limited Electronic timepiece having a voltage conversion circuit
JPS5921493B2 (en) * 1978-09-12 1984-05-21 Seikoo Denshi Kogyo Kk
CH629356A (en) * 1979-06-28 1982-04-30
DE2937838C2 (en) * 1979-09-19 1986-08-28 Braun Ag, 6000 Frankfurt, De
FR2469037B1 (en) * 1979-10-31 1983-08-12 Sonceboz Sa
WO1981002207A1 (en) * 1980-01-30 1981-08-06 Portescap Electric motor control device
CH640999A (en) * 1980-08-25 1984-02-15
JPS6123487B2 (en) * 1980-11-05 1986-06-06 Citizen Watch Co Ltd
CH647383A (en) * 1981-02-04 1985-01-31
JPH0228477Y2 (en) * 1981-07-06 1990-07-31
JPS61135288U (en) * 1985-02-13 1986-08-23
CN1132079C (en) * 1997-04-25 2003-12-24 精工电子有限公司 Electronic timepiece
US6088302A (en) 1997-04-25 2000-07-11 Seiko Instruments Inc. Electronic timepiece
US6262554B1 (en) * 1998-09-22 2001-07-17 Seiko Epson Corporation Electronic device and method of controlling the same
DE102012105362A1 (en) * 2012-06-20 2013-12-24 Trinamic Motion Control Gmbh & Co. Kg Method and circuit arrangement for controlling a stepper motor
JP2019128320A (en) * 2018-01-26 2019-08-01 セイコーインスツル株式会社 Movement and timepiece

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH490710A (en) * 1966-02-10 1969-08-15 Suisse Horlogerie Electronic timepiece
GB1205753A (en) * 1966-09-09 1970-09-16 Smiths Industries Ltd Horological instruments incorporating electrical oscillation generators
JPS5319944B2 (en) * 1971-09-25 1978-06-23

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0379469U (en) * 1989-12-05 1991-08-13

Also Published As

Publication number Publication date
US3855781A (en) 1974-12-24
MY7800077A (en) 1978-12-31
HK4678A (en) 1978-01-27
GB1425840A (en) 1976-02-18
JPS4985514A (en) 1974-08-16

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