GB1344648A - Electronic timepieces - Google Patents

Electronic timepieces

Info

Publication number
GB1344648A
GB1344648A GB5848971A GB5848971A GB1344648A GB 1344648 A GB1344648 A GB 1344648A GB 5848971 A GB5848971 A GB 5848971A GB 5848971 A GB5848971 A GB 5848971A GB 1344648 A GB1344648 A GB 1344648A
Authority
GB
United Kingdom
Prior art keywords
pulses
motor
pulse
switch
divider
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.)
Expired
Application number
GB5848971A
Other languages
English (en)
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.)
Suwa Seikosha KK
Original Assignee
Suwa Seikosha KK
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 Suwa Seikosha KK filed Critical Suwa Seikosha KK
Publication of GB1344648A publication Critical patent/GB1344648A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G5/00—Setting, i.e. correcting or changing, the time-indication
    • G04G5/02—Setting, i.e. correcting or changing, the time-indication by temporarily changing the number of pulses per unit time, e.g. quick-feed method
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
GB5848971A 1970-12-26 1971-12-16 Electronic timepieces Expired GB1344648A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45118908A JPS5127151B1 (enrdf_load_stackoverflow) 1970-12-26 1970-12-26

Publications (1)

Publication Number Publication Date
GB1344648A true GB1344648A (en) 1974-01-23

Family

ID=14748131

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5848971A Expired GB1344648A (en) 1970-12-26 1971-12-16 Electronic timepieces

Country Status (3)

Country Link
US (1) US3754391A (enrdf_load_stackoverflow)
JP (1) JPS5127151B1 (enrdf_load_stackoverflow)
GB (1) GB1344648A (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939643A (en) * 1973-06-07 1976-02-24 Citizen Watch Co., Ltd. Crystal-controlled electronic timepiece with CMOS switching and frequency-dividing circuits
CH1181874A4 (enrdf_load_stackoverflow) * 1974-08-30 1977-03-31
US4133169A (en) * 1974-08-30 1979-01-09 Ebauches S.A. Electronic circuit for a quartz crystal watch
JPS5256570A (en) * 1975-11-04 1977-05-10 Seiko Instr & Electronics Ltd Electronic timepiece
US4150536A (en) * 1976-01-28 1979-04-24 Citizen Watch Company Limited Electronic timepiece
JPS6041745B2 (ja) * 1976-04-16 1985-09-18 セイコーインスツルメンツ株式会社 電子腕時計
JPS5922192B2 (ja) * 1976-07-09 1984-05-24 セイコ−光機株式会社 リセツト解除時に生ずる時間誤差を補償する時計用回路
US4277841A (en) * 1979-03-14 1981-07-07 General Time Corporation Elapsed time indicator
JPS5773652A (en) * 1980-10-24 1982-05-08 Ashida Seisakusho:Kk Method and device for measuring vaporing water of timber decompressing dryer
JP3584233B2 (ja) * 2001-11-13 2004-11-04 エーシーテクノロジーズ株式会社 振動型アクチュエータの駆動装置
CN102355244B (zh) * 2011-07-28 2013-04-24 四川和芯微电子股份有限公司 分频器复位电路及系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3363410A (en) * 1966-01-25 1968-01-16 Suwa Seikosha Kk Apparatus for adjusting electric timepieces
US3541779A (en) * 1968-03-19 1970-11-24 Corning Glass Works Electronic timepiece
CH524850A (fr) * 1969-05-29 1972-03-15 Vogel Paul Dispositif de remise à l'heure d'une montre électronique
CH1016469A4 (enrdf_load_stackoverflow) * 1969-07-03 1971-01-29
US3672155A (en) * 1970-05-06 1972-06-27 Hamilton Watch Co Solid state watch

Also Published As

Publication number Publication date
US3754391A (en) 1973-08-28
JPS5127151B1 (enrdf_load_stackoverflow) 1976-08-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years