DE3671994D1 - Elektronische uhr mit sonnenzelle. - Google Patents

Elektronische uhr mit sonnenzelle.

Info

Publication number
DE3671994D1
DE3671994D1 DE8686301543T DE3671994T DE3671994D1 DE 3671994 D1 DE3671994 D1 DE 3671994D1 DE 8686301543 T DE8686301543 T DE 8686301543T DE 3671994 T DE3671994 T DE 3671994T DE 3671994 D1 DE3671994 D1 DE 3671994D1
Authority
DE
Germany
Prior art keywords
electronic clock
sun cell
sun
cell
clock
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 - Fee Related
Application number
DE8686301543T
Other languages
English (en)
Inventor
Shuji Otawa
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Application granted granted Critical
Publication of DE3671994D1 publication Critical patent/DE3671994D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G04C3/146—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor incorporating two or more stepping motors or rotors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
DE8686301543T 1985-03-05 1986-03-05 Elektronische uhr mit sonnenzelle. Expired - Fee Related DE3671994D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60043243A JPS61202186A (ja) 1985-03-05 1985-03-05 電子時計

Publications (1)

Publication Number Publication Date
DE3671994D1 true DE3671994D1 (de) 1990-07-19

Family

ID=12658449

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686301543T Expired - Fee Related DE3671994D1 (de) 1985-03-05 1986-03-05 Elektronische uhr mit sonnenzelle.

Country Status (4)

Country Link
US (1) US4702613A (de)
EP (1) EP0194136B1 (de)
JP (1) JPS61202186A (de)
DE (1) DE3671994D1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3524290A1 (de) * 1985-07-06 1987-01-15 Junghans Uhren Gmbh Mittels solarzellen betriebenes elektrisches kleingeraet, insbesondere solaruhr
DE3783499T2 (de) * 1986-04-08 1993-04-29 Seiko Instr Inc Elektronische uhr.
US4967895A (en) * 1987-04-16 1990-11-06 Pom, Incorporated Parameter control system for electronic parking meter
US4872149A (en) * 1987-04-16 1989-10-03 Pom, Incorporated Electronic advertising system for solar powered parking meter
CH677170B5 (de) * 1989-09-26 1991-10-31 Lemrich & Cie
US5360095A (en) * 1992-04-07 1994-11-01 Pom Incorporated Power conserving electronic parking meter
US5440501A (en) * 1992-06-26 1995-08-08 Mitutoyo Corporation Energy saving capacitance type measuring device for absolute measurement of positions
DE4307854C1 (de) * 1993-03-12 1994-04-21 Legrand Gmbh Batterielose Schaltuhr mit Gangreserve
DE69511649T2 (de) * 1994-04-06 2000-04-06 Citizen Watch Co., Ltd. Elektronische uhr
DE69637519D1 (de) 1995-09-26 2008-06-19 Citizen Holdings Co Ltd Elektronische Uhr
EP0818719B1 (de) * 1995-11-07 2002-08-14 Citizen Watch Co., Ltd. Antriebsvorrichtung mit hoher last für elektronische uhr
US6061304A (en) * 1996-08-01 2000-05-09 Citizen Watch Co., Ltd. Electronic watch
JP3541601B2 (ja) 1997-02-07 2004-07-14 セイコーエプソン株式会社 ステッピングモーターの制御装置、その制御方法および計時装置
JP3721888B2 (ja) 1998-12-04 2005-11-30 セイコーエプソン株式会社 携帯用電子機器および携帯用電子機器の制御方法
JP3551861B2 (ja) 1998-12-11 2004-08-11 セイコーエプソン株式会社 計時装置及びその制御方法
WO2000036474A1 (fr) 1998-12-14 2000-06-22 Seiko Epson Corporation Dispositif electronique et procede de commande associe
JP4560158B2 (ja) * 1999-11-24 2010-10-13 シチズンホールディングス株式会社 充電式電子時計
WO2002014959A1 (fr) * 2000-08-15 2002-02-21 Citizen Watch Co., Ltd. Système d'horlogerie électronique et technique de commande de celui-ci
JP4660833B2 (ja) * 2001-04-06 2011-03-30 株式会社ヴァレオサーマルシステムズ ステッピングモータ制御装置
US20030169641A1 (en) * 2002-03-08 2003-09-11 Quartex A Division Of Primex, Inc. Time keeping system with automatic daylight savings time adjustment
CA2460995A1 (en) * 2001-09-21 2003-03-27 Quartex, Inc. Time keeping system with automatic daylight savings time adjustment
US7411869B2 (en) * 2001-09-21 2008-08-12 Quartex, Division Of Primex, Inc. Wireless synchronous time system
US7369462B2 (en) * 2001-09-21 2008-05-06 Quartex, Division Of Primex, Inc. Wireless synchronous time system with solar powered transceiver
US6873573B2 (en) * 2001-09-21 2005-03-29 Quartex, Inc. Wireless synchronous time system
DE602006011129D1 (de) * 2006-05-18 2010-01-28 Microcomponents Ag Analoge Anzeige und Uhr für Kraftfahrzeuge
JP6858577B2 (ja) * 2017-01-30 2021-04-14 セイコーインスツル株式会社 時計、および時計の制御方法
EP3712718A1 (de) 2019-03-22 2020-09-23 ETA SA Manufacture Horlogère Suisse Elektronische uhr mit bewegungsmelder

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH613837B (fr) * 1977-06-14 Suisse Horlogerie Montre electronique a affichage mecanique.
JPS5589782A (en) * 1978-12-27 1980-07-07 Seiko Instr & Electronics Ltd Electronic watch
JPS56150382A (en) * 1980-04-24 1981-11-20 Sanyo Electric Co Ltd Electronic watch
JPS5767881A (en) * 1980-10-16 1982-04-24 Seiko Instr & Electronics Ltd Detecting circuit for analog timepiece
CH639524B (fr) * 1981-02-16 Longines Montres Comp D Montre multifonctionnelle.
DE3115682A1 (de) * 1981-04-18 1982-11-04 Varta Batterie Ag, 3000 Hannover Batteriebetriebenes elektronisches geraet mit sicherung der spannungsversorgung fuer teilfunktionen
JPS58140668A (ja) * 1982-02-17 1983-08-20 Hitachi Ltd 停電時間検出回路
JPS59150361A (ja) * 1983-02-16 1984-08-28 Seiko Epson Corp 指針式電池時計

Also Published As

Publication number Publication date
US4702613A (en) 1987-10-27
EP0194136A3 (en) 1986-12-30
JPS61202186A (ja) 1986-09-06
EP0194136B1 (de) 1990-06-13
EP0194136A2 (de) 1986-09-10

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee