CH616807GA3 - - Google Patents

Download PDF

Info

Publication number
CH616807GA3
CH616807GA3 CH745578A CH745578A CH616807GA3 CH 616807G A3 CH616807G A3 CH 616807GA3 CH 745578 A CH745578 A CH 745578A CH 745578 A CH745578 A CH 745578A CH 616807G A3 CH616807G A3 CH 616807GA3
Authority
CH
Switzerland
Prior art keywords
wheel train
day
clockwise direction
month
disc
Prior art date
Application number
CH745578A
Other languages
English (en)
Other versions
CH616807B (fr
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
Publication of CH616807B publication Critical patent/CH616807B/fr
Application filed filed Critical
Priority to CH745578A priority Critical patent/CH616807B/fr
Priority to DE2925278A priority patent/DE2925278C3/de
Priority to US06/052,749 priority patent/US4320476A/en
Publication of CH616807GA3 publication Critical patent/CH616807GA3/xx

Links

Classifications

    • 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)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
CH745578A 1978-07-10 1978-07-10 Piece d'horlogerie electronique comportant un disque d'affichage du quantieme et un affichage analogique de l'heure. CH616807B (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH745578A CH616807B (fr) 1978-07-10 1978-07-10 Piece d'horlogerie electronique comportant un disque d'affichage du quantieme et un affichage analogique de l'heure.
DE2925278A DE2925278C3 (de) 1978-07-10 1979-06-22 Elektronisches Zeitmeßgerät mit einer Steuer- und Antriebsvorrichtung für die Datumsanzeige
US06/052,749 US4320476A (en) 1978-07-10 1979-06-28 Electronic watch with a device for controlling and driving the day of the month

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH745578A CH616807B (fr) 1978-07-10 1978-07-10 Piece d'horlogerie electronique comportant un disque d'affichage du quantieme et un affichage analogique de l'heure.

Publications (2)

Publication Number Publication Date
CH616807B CH616807B (fr)
CH616807GA3 true CH616807GA3 (cs) 1980-04-30

Family

ID=4325388

Family Applications (1)

Application Number Title Priority Date Filing Date
CH745578A CH616807B (fr) 1978-07-10 1978-07-10 Piece d'horlogerie electronique comportant un disque d'affichage du quantieme et un affichage analogique de l'heure.

Country Status (3)

Country Link
US (1) US4320476A (cs)
CH (1) CH616807B (cs)
DE (1) DE2925278C3 (cs)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3268926D1 (en) * 1981-04-22 1986-03-20 Olympus Optical Co Leap year compensation system
CH649189GA3 (cs) * 1981-12-28 1985-05-15
JP3732281B2 (ja) * 1996-08-30 2006-01-05 シチズン時計株式会社 多機能時計
US6088302A (en) * 1997-04-25 2000-07-11 Seiko Instruments Inc. Electronic timepiece
US6582118B1 (en) * 1997-04-25 2003-06-24 Seiko Instruments Inc. Electronic timepiece having transmission wheel rotational position detecting apparatus
JPH11202060A (ja) * 1998-01-09 1999-07-30 Citizen Watch Co Ltd カレンダー付き電子時計
JP2935182B1 (ja) * 1998-02-13 1999-08-16 セイコーインスツルメンツ株式会社 電子時計
EP0940833B1 (fr) * 1998-03-05 2002-07-03 Frédéric Piguet S.A. Mécanisme de quantième pour mouvement d'horlogerie
JP3439671B2 (ja) * 1998-10-30 2003-08-25 セイコーインスツルメンツ株式会社 高精度時計
US6616328B1 (en) * 1999-10-26 2003-09-09 Seiko Instruments Inc. High accuracy timepiece
WO2002039197A1 (fr) * 2000-11-10 2002-05-16 Citizen Watch Co., Ltd. Compteur d'horloge electrique
JP5682857B2 (ja) * 2011-03-28 2015-03-11 カシオ計算機株式会社 表示車の駆動装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5336343B2 (cs) * 1972-08-03 1978-10-02
CH599588B5 (cs) * 1975-05-16 1978-05-31 Ebauchesfabrik Eta Ag
JPS52111757A (en) * 1976-03-16 1977-09-19 Citizen Watch Co Ltd Electroinc watch
JPS53107611A (en) * 1977-03-01 1978-09-19 Seiko Epson Corp Step motor

Also Published As

Publication number Publication date
DE2925278B2 (de) 1981-06-11
DE2925278C3 (de) 1982-02-25
US4320476A (en) 1982-03-16
DE2925278A1 (de) 1980-01-24
CH616807B (fr)

Similar Documents

Publication Publication Date Title
CH616807GA3 (cs)
JPS53114467A (en) Electronic watch
JPS5317340A (en) Recording device
JPS5424674A (en) Electronic watch
JPS5292560A (en) Switch box drive pulse width control circuit for electronic clocks
JPS51117069A (en) Driving mechanism of electric clock
JPS53101785A (en) Wind-up mechanism
JPS53120120A (en) Motor drive control circuit
JPS51137456A (en) Switch mechanism for electronic clock
JPS5211532A (en) Car clock
JPS5211066A (en) Disital watch furnished with brightness control
JPS5236066A (en) Balance device
JPS5373715A (en) Sequential operation control device for refuse collecting vehicle
JPS52108163A (en) Switching mechanism of electron clock
JPS5258962A (en) Electronic watch
JPS5310469A (en) Switch mechanism for crystal timepieces
JPS54102166A (en) Battery life display system in electronic watch
JPS5228807A (en) Secret-talk circuit
JPS5540961A (en) Switch set for electronic watch
JPS5387769A (en) Electro-mechanical transducer drivig circuit for watach
JPS5222894A (en) Electro-chromism display unit driver circuit
JPS5381207A (en) Tape driving mechanism for magnetic recorder
JPS52143609A (en) Control device for electric motor operated vehicle
JPS544175A (en) Electronic wrist watch
JPS51149066A (en) Watch

Legal Events

Date Code Title Description
PL Patent ceased