JPS4985514A - - Google Patents

Info

Publication number
JPS4985514A
JPS4985514A JP47128923A JP12892372A JPS4985514A JP S4985514 A JPS4985514 A JP S4985514A JP 47128923 A JP47128923 A JP 47128923A JP 12892372 A JP12892372 A JP 12892372A JP S4985514 A JPS4985514 A JP S4985514A
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.)
Granted
Application number
JP47128923A
Other languages
Japanese (ja)
Other versions
JPS5542356B2 (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
Priority to GB5915173A priority patent/GB1425840A/en
Priority to US00427208A priority patent/US3855781A/en
Publication of JPS4985514A publication Critical patent/JPS4985514A/ja
Priority to HK46/78A priority patent/HK4678A/en
Priority to MY77/78A priority patent/MY7800077A/en
Publication of JPS5542356B2 publication Critical patent/JPS5542356B2/ja
Expired legal-status Critical Current

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
    • 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
JP12892372A 1972-12-22 1972-12-22 Expired JPS5542356B2 (en)

Priority Applications (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
US00427208A US3855781A (en) 1972-12-22 1973-12-21 Step motor mechanism for electronic timepiece
HK46/78A HK4678A (en) 1972-12-22 1978-01-19 Electronic timepiece
MY77/78A MY7800077A (en) 1972-12-22 1978-12-30 Electronic timepiece

Applications Claiming Priority (1)

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

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP3014680A Division JPS55129786A (en) 1980-03-10 1980-03-10 Step motor mechanism for electronic watch
JP3014580A Division JPS55129785A (en) 1980-03-10 1980-03-10 Step motor mechanism for electronic watch

Publications (2)

Publication Number Publication Date
JPS4985514A true JPS4985514A (en) 1974-08-16
JPS5542356B2 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 (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010433A (en) * 1973-06-04 1975-02-03
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
JPS5243006U (en) * 1975-09-23 1977-03-26
JPS5389776A (en) * 1977-01-19 1978-08-07 Seiko Epson Corp Electronic wristwatch
JPS53132383A (en) * 1977-04-23 1978-11-18 Seiko Instr & Electronics Ltd Electronic watch circuit
JPS5482268A (en) * 1977-12-14 1979-06-30 Citizen Watch Co Ltd Electronic watch with alarm
JPS54133382A (en) * 1978-04-07 1979-10-17 Seiko Epson Corp Crystal wristwatch
JPS5696270A (en) * 1980-11-05 1981-08-04 Citizen Watch Co Ltd Electronic timepiece
JPS5724586U (en) * 1981-07-06 1982-02-08
JPS61135288U (en) * 1985-02-13 1986-08-23

Families Citing this family (31)

* 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
JPS50120373A (en) * 1974-03-05 1975-09-20
JPS604666B2 (en) * 1974-04-04 1985-02-05 セイコーエプソン株式会社 Converter for crystal watches
JPS525566A (en) * 1975-07-02 1977-01-17 Citizen Watch Co Ltd Electric clock
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
JPS5345575A (en) * 1976-10-06 1978-04-24 Seiko Epson Corp Electronic wristwatch
JPS53114467A (en) * 1977-03-16 1978-10-05 Seiko Instr & Electronics Ltd Electronic watch
JPS53132380A (en) * 1977-04-23 1978-11-18 Seiko Instr & Electronics Ltd Electronic watch
JPS53132382A (en) * 1977-04-23 1978-11-18 Seiko Instr & Electronics Ltd Electronic watch
JPS53132385A (en) * 1977-04-23 1978-11-18 Seiko Instr & Electronics Ltd Electronic watch
JPS53136870A (en) * 1977-04-23 1978-11-29 Seiko Instr & Electronics Ltd Electronic watch
JPS53132386A (en) * 1977-04-23 1978-11-18 Seiko Instr & Electronics Ltd Electronic watch
JPS53132384A (en) * 1977-04-23 1978-11-18 Seiko Instr & Electronics Ltd Electronic watch
GB2064834B (en) * 1977-09-26 1982-12-08 Citizen Watch Co Ltd Drive system for stepping motor in a timepiece
JPS5477169A (en) * 1977-12-02 1979-06-20 Seiko Instr & Electronics Ltd Electronic watch
CH616045B (en) * 1978-06-20 Ebauches Sa PROCESS FOR REDUCING THE CONSUMPTION OF AN ELECTRONIC WATCH PART AND ELECTRONIC WATCH PART IMPLEMENTING THIS PROCESS.
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 セイコーインスツルメンツ株式会社 Watch gear train load measuring device
CH629356B (en) * 1979-06-28 Ebauchesfabrik Eta Ag ELECTRONIC WATCH WHOSE GEAR FEATURES A MOBILE METER.
DE2937838C2 (en) * 1979-09-19 1986-08-28 Braun Ag, 6000 Frankfurt Method and arrangement for regulating speed and phase position in synchronous motors
FR2469037A1 (en) * 1979-10-31 1981-05-08 Sonceboz Sa DRIVE DEVICE FOR APPARATUS REQUIRING INTERMITTENT DRIVE
GB2079493B (en) * 1980-01-30 1983-09-07 Portescap Electric motor control device
CH640999B (en) * 1980-08-25 Ebauchesfabrik Eta Ag METHOD AND DEVICE FOR CONTROLLING A STEP MOTOR OF AN ELECTRONIC CLOCK PART.
CH647383GA3 (en) * 1981-02-04 1985-01-31
JPH0379469U (en) * 1989-12-05 1991-08-13
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
JP7023124B2 (en) * 2018-01-26 2022-02-21 セイコーインスツル株式会社 Movement and watches

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH205066A4 (en) * 1966-02-10 1969-08-15
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 (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010433A (en) * 1973-06-04 1975-02-03
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
JPS5243006U (en) * 1975-09-23 1977-03-26
JPS6126034B2 (en) * 1977-01-19 1986-06-18 Suwa Seikosha Kk
JPS5389776A (en) * 1977-01-19 1978-08-07 Seiko Epson Corp Electronic wristwatch
JPS53132383A (en) * 1977-04-23 1978-11-18 Seiko Instr & Electronics Ltd Electronic watch circuit
JPS629876B2 (en) * 1977-04-23 1987-03-03 Seiko Denshi Kogyo Kk
JPS5482268A (en) * 1977-12-14 1979-06-30 Citizen Watch Co Ltd Electronic watch with alarm
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
JPS5696270A (en) * 1980-11-05 1981-08-04 Citizen Watch Co Ltd Electronic timepiece
JPS6123487B2 (en) * 1980-11-05 1986-06-06 Citizen Watch Co Ltd
JPS5724586U (en) * 1981-07-06 1982-02-08
JPH0228477Y2 (en) * 1981-07-06 1990-07-31
JPS61135288U (en) * 1985-02-13 1986-08-23

Also Published As

Publication number Publication date
HK4678A (en) 1978-01-27
GB1425840A (en) 1976-02-18
JPS5542356B2 (en) 1980-10-30
MY7800077A (en) 1978-12-31
US3855781A (en) 1974-12-24

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