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 (enrdf_load_stackoverflow
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/xx
Priority to MY77/78A priority patent/MY7800077A/xx
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
JP12892372A 1972-12-22 1972-12-22 Expired JPS5542356B2 (enrdf_load_stackoverflow)

Priority Applications (5)

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

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 JPS55129786A (en) 1980-03-10 1980-03-10 Step motor mechanism for electronic watch

Publications (2)

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

Family

ID=14996707

Family Applications (1)

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

Country Status (5)

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

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010433A (enrdf_load_stackoverflow) * 1973-06-04 1975-02-03
JPS5199077A (ja) * 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 (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) * 1981-07-06 1982-02-08
JPS61135288U (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) * 1974-03-05 1975-09-20
JPS604666B2 (ja) * 1974-04-04 1985-02-05 セイコーエプソン株式会社 水晶腕時計用変換器
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
JPS53132384A (en) * 1977-04-23 1978-11-18 Seiko Instr & Electronics Ltd Electronic watch
JPS53132380A (en) * 1977-04-23 1978-11-18 Seiko Instr & Electronics Ltd Electronic watch
JPS53132386A (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
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
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 (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.
US4221111A (en) * 1978-08-15 1980-09-09 Citizen Watch Company Limited Electronic timepiece having a voltage conversion circuit
JPS5921493B2 (ja) * 1978-09-12 1984-05-21 セイコーインスツルメンツ株式会社 時計の輪列負荷測定器
CH629356B (fr) * 1979-06-28 Ebauchesfabrik Eta Ag Montre electronique dont le rouage comporte un mobile de comptage.
DE2937838C2 (de) * 1979-09-19 1986-08-28 Braun Ag, 6000 Frankfurt Verfahren und Anordnung zur Regelung von Drehzahl und Phasenlage bei Synchronmotoren
FR2469037A1 (fr) * 1979-10-31 1981-05-08 Sonceboz Sa Dispositif d'entrainement pour appareil necessitant un entrainement intermittent
WO1981002207A1 (en) * 1980-01-30 1981-08-06 Portescap Electric motor control device
CH640999B (fr) * 1980-08-25 Ebauchesfabrik Eta Ag Procede et dispositif de commande d'une moteur pas a pas de piece d'horlogerie electronique.
CH647383GA3 (enrdf_load_stackoverflow) * 1981-02-04 1985-01-31
JPH0379469U (enrdf_load_stackoverflow) * 1989-12-05 1991-08-13
US6088302A (en) 1997-04-25 2000-07-11 Seiko Instruments Inc. Electronic timepiece
CN1132079C (zh) * 1997-04-25 2003-12-24 精工电子有限公司 电子表
US6262554B1 (en) * 1998-09-22 2001-07-17 Seiko Epson Corporation Electronic device and method of controlling the same
DE102012105362A1 (de) * 2012-06-20 2013-12-24 Trinamic Motion Control Gmbh & Co. Kg Verfahren und Schaltungsanordnung zur Ansteuerung eines Schrittmotors
JP7023124B2 (ja) * 2018-01-26 2022-02-21 セイコーインスツル株式会社 ムーブメントおよび時計

Family Cites Families (3)

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

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010433A (enrdf_load_stackoverflow) * 1973-06-04 1975-02-03
JPS5199077A (ja) * 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 (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) * 1981-07-06 1982-02-08
JPS61135288U (enrdf_load_stackoverflow) * 1985-02-13 1986-08-23

Also Published As

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

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