HK1019775A1 - Electronic timepiece. - Google Patents

Electronic timepiece.

Info

Publication number
HK1019775A1
HK1019775A1 HK99102968A HK99102968A HK1019775A1 HK 1019775 A1 HK1019775 A1 HK 1019775A1 HK 99102968 A HK99102968 A HK 99102968A HK 99102968 A HK99102968 A HK 99102968A HK 1019775 A1 HK1019775 A1 HK 1019775A1
Authority
HK
Hong Kong
Prior art keywords
electronic timepiece
timepiece
electronic
Prior art date
Application number
HK99102968A
Inventor
Kenichi Nakajima
Takayuki Satodate
Akihiro Matouge
Akihiko Inada
Mitsuru Ishii
Yoshio Koyama
Shigeo Suzuki
Masayuki Kawata
Yuko Sasaki
Eriko Takakuwa
Original Assignee
Seiko Instr 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
Priority claimed from JP10944597A external-priority patent/JP3165070B2/en
Priority claimed from JP10086710A external-priority patent/JP3002969B2/en
Application filed by Seiko Instr Inc filed Critical Seiko Instr Inc
Publication of HK1019775A1 publication Critical patent/HK1019775A1/en

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
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G04C3/12—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by piezoelectric means; driven by magneto-strictive means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • G04C17/005—Indicating the time optically by electric means by discs
    • G04C17/0058—Indicating the time optically by electric means by discs with date indication
    • G04C17/0066—Indicating the time optically by electric means by discs with date indication electromagnetically driven, e.g. intermittently

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromechanical Clocks (AREA)
HK99102968A 1997-04-25 1999-07-12 Electronic timepiece. HK1019775A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP10944697 1997-04-25
JP10944597A JP3165070B2 (en) 1997-04-25 1997-04-25 Electronic clock with calendar
JP1670198 1998-01-29
JP10086710A JP3002969B2 (en) 1997-04-25 1998-03-31 Electronic clock

Publications (1)

Publication Number Publication Date
HK1019775A1 true HK1019775A1 (en) 2000-02-25

Family

ID=27456622

Family Applications (1)

Application Number Title Priority Date Filing Date
HK99102968A HK1019775A1 (en) 1997-04-25 1999-07-12 Electronic timepiece.

Country Status (4)

Country Link
EP (1) EP0874292B1 (en)
CN (1) CN1132079C (en)
DE (1) DE69831998T2 (en)
HK (1) HK1019775A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2935182B1 (en) * 1998-02-13 1999-08-16 セイコーインスツルメンツ株式会社 Electronic clock
ATE543125T1 (en) * 2008-10-24 2012-02-15 Eta Sa Mft Horlogere Suisse AUXILIARY DEVICE FOR MAINTAINING THE POSITION OF A DATE DISC FOR A CLOCK MOVEMENT
JP5573870B2 (en) * 2012-03-12 2014-08-20 カシオ計算機株式会社 Display device and electronic clock
JP7205073B2 (en) * 2018-04-23 2023-01-17 セイコーエプソン株式会社 electronic clock

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3398245A (en) * 1966-09-13 1968-08-20 United Carr Inc Printed circuit switch
JPS5542356B2 (en) * 1972-12-22 1980-10-30
JPS5454077A (en) * 1977-10-06 1979-04-27 Seiko Instr & Electronics Ltd Calendar collecting device for analog electronic watch
JPS5658680A (en) * 1979-10-18 1981-05-21 Seikosha Co Ltd Time detection device
JPS6051478A (en) * 1983-08-26 1985-03-22 Seiko Instr & Electronics Ltd Electronic timepiece
JPS6066180A (en) * 1983-09-21 1985-04-16 Seikosha Co Ltd Time signal timepiece
GB2217914B (en) * 1988-04-23 1992-02-19 Proizv Ob Mi Chasovoi Z Switching device for electronic watch
CH685660B5 (en) * 1992-09-09 1996-03-15 Asulab Sa Timepiece provided with drive means forms by a piezoelectric motor.
CH688950B5 (en) * 1995-08-22 1998-12-31 Ebauchesfabrik Eta Ag Synchronization device of an analog display with an electronic counter in a timepiece.

Also Published As

Publication number Publication date
CN1204790A (en) 1999-01-13
EP0874292A3 (en) 1999-03-03
DE69831998D1 (en) 2005-12-01
EP0874292B1 (en) 2005-10-26
EP0874292A2 (en) 1998-10-28
DE69831998T2 (en) 2006-04-20
CN1132079C (en) 2003-12-24

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20080425