GB2158274B - Electronic timepiece - Google Patents

Electronic timepiece

Info

Publication number
GB2158274B
GB2158274B GB08507066A GB8507066A GB2158274B GB 2158274 B GB2158274 B GB 2158274B GB 08507066 A GB08507066 A GB 08507066A GB 8507066 A GB8507066 A GB 8507066A GB 2158274 B GB2158274 B GB 2158274B
Authority
GB
United Kingdom
Prior art keywords
electronic timepiece
timepiece
electronic
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
GB08507066A
Other versions
GB2158274A (en
GB8507066D0 (en
Inventor
Masahito Yoshino
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
Priority claimed from JP59061808A external-priority patent/JPH0752230B2/en
Application filed by Suwa Seikosha KK filed Critical Suwa Seikosha KK
Publication of GB8507066D0 publication Critical patent/GB8507066D0/en
Publication of GB2158274A publication Critical patent/GB2158274A/en
Application granted granted Critical
Publication of GB2158274B publication Critical patent/GB2158274B/en
Expired 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
    • G04C10/02—Arrangements of electric power supplies in time pieces the power supply being a radioactive or photovoltaic source

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
GB08507066A 1984-03-29 1985-03-19 Electronic timepiece Expired GB2158274B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59061808A JPH0752230B2 (en) 1984-03-29 1984-03-29 Electronic clock
JP59246778A JPH0792506B2 (en) 1984-11-21 1984-11-21 Electronic clock

Publications (3)

Publication Number Publication Date
GB8507066D0 GB8507066D0 (en) 1985-04-24
GB2158274A GB2158274A (en) 1985-11-06
GB2158274B true GB2158274B (en) 1987-04-15

Family

ID=17153516

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08507066A Expired GB2158274B (en) 1984-03-29 1985-03-19 Electronic timepiece

Country Status (2)

Country Link
JP (2) JPH0792506B2 (en)
GB (1) GB2158274B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3524290A1 (en) * 1985-07-06 1987-01-15 Junghans Uhren Gmbh ELECTRICAL SMALL DEVICE USED BY SOLAR CELLS, ESPECIALLY SOLAR WATCH
DE3600515C1 (en) * 1986-01-10 1993-05-13 Fraunhofer Ges Forschung Electronic clock
EP0241219B1 (en) * 1986-04-08 1993-01-13 Seiko Instruments Inc. Electronic timepiece
JP2652057B2 (en) * 1988-01-25 1997-09-10 セイコーエプソン株式会社 Power generator
JP3000633B2 (en) * 1990-07-18 2000-01-17 セイコーエプソン株式会社 Electronics
JP3174245B2 (en) 1994-08-03 2001-06-11 セイコーインスツルメンツ株式会社 Electronic control clock
EP0823677B1 (en) * 1996-01-30 2000-06-07 Citizen Watch Co., Ltd. Electronic timepiece with power generating function
DE19700108B4 (en) * 1997-01-03 2005-12-22 Citizen Watch Co., Ltd. Electronic clock and charging method of the same
EP0853265B1 (en) * 1997-01-09 2002-04-24 Asulab S.A. Electronic apparatus functioning with the aid of a photovoltaic cell, in particular timepiece
CH691010A5 (en) * 1997-01-09 2001-03-30 Asulab Sa electrical apparatus operating with a photovoltaic source, such timepiece.
JP3657445B2 (en) * 1998-01-28 2005-06-08 セイコーインスツル株式会社 Electronics
DE69941484D1 (en) * 1999-01-06 2009-11-12 Seiko Epson Corp ELECTRONIC DEVICE AND METHOD FOR CONTROLLING THE ELECTRIC NECESSARY DEVICE

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1364014A (en) * 1971-02-12 1974-08-21 Suwa Seikosha Kk Timepiece
US3955353A (en) * 1974-07-10 1976-05-11 Optel Corporation Direct current power converters employing digital techniques used in electronic timekeeping apparatus
JPS5524656A (en) * 1978-08-11 1980-02-21 Seiko Instr & Electronics Ltd Electronic watch
JPS5610275A (en) * 1979-07-04 1981-02-02 Citizen Watch Co Ltd Power source device for cell clock
JPS5746186A (en) * 1980-09-05 1982-03-16 Citizen Watch Co Ltd Voltage control device of electronic watch
JPH0752230A (en) * 1993-08-18 1995-02-28 Furukawa Electric Co Ltd:The Two-stage extruding method and device

Also Published As

Publication number Publication date
JP2715893B2 (en) 1998-02-18
JPS61124887A (en) 1986-06-12
GB2158274A (en) 1985-11-06
GB8507066D0 (en) 1985-04-24
JPH0792506B2 (en) 1995-10-09
JPH0772271A (en) 1995-03-17

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20050318