SG126792G - Electronic clock with two motors and provided with a perpetual calender - Google Patents

Electronic clock with two motors and provided with a perpetual calender

Info

Publication number
SG126792G
SG126792G SG1267/92A SG126792A SG126792G SG 126792 G SG126792 G SG 126792G SG 1267/92 A SG1267/92 A SG 1267/92A SG 126792 A SG126792 A SG 126792A SG 126792 G SG126792 G SG 126792G
Authority
SG
Singapore
Prior art keywords
signal
circuit
volatile memory
calendar
date
Prior art date
Application number
SG1267/92A
Other languages
English (en)
Original Assignee
Ebauchesfabrik Eta Ag
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 Ebauchesfabrik Eta Ag filed Critical Ebauchesfabrik Eta Ag
Publication of SG126792G publication Critical patent/SG126792G/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
    • G04C3/14—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
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/10—Arrangements for supplying back-up power

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
SG1267/92A 1985-12-18 1992-12-16 Electronic clock with two motors and provided with a perpetual calender SG126792G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH543785A CH661833GA3 (en, 2012) 1985-12-18 1985-12-18

Publications (1)

Publication Number Publication Date
SG126792G true SG126792G (en) 1993-03-12

Family

ID=4293578

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1267/92A SG126792G (en) 1985-12-18 1992-12-16 Electronic clock with two motors and provided with a perpetual calender

Country Status (7)

Country Link
US (1) US4695168A (en, 2012)
EP (1) EP0231451B1 (en, 2012)
JP (1) JPH07119811B2 (en, 2012)
CH (1) CH661833GA3 (en, 2012)
DE (1) DE3668507D1 (en, 2012)
HK (1) HK32393A (en, 2012)
SG (1) SG126792G (en, 2012)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH663512GA3 (en, 2012) * 1986-05-26 1987-12-31
CH665077GA3 (en, 2012) * 1986-10-15 1988-04-29
DE3890910T1 (de) * 1987-11-11 1989-12-21 Rolex Montres Verfahren fuer die programmierung des ewigen kalenders einer uhr und uhr fuer die anwendung dieses verfahrens
CH672222B5 (en, 2012) * 1987-11-11 1990-05-15 Rolex Montres
US4956826A (en) * 1989-03-17 1990-09-11 Master Free Time, Inc. Multi-year time clock having automatic daylight saving time compensator
JPH0390888A (ja) * 1989-09-01 1991-04-16 Seiko Instr Inc アナログ電子時計
CH681677B5 (fr) * 1991-02-05 1993-11-15 Complications Sa Procédé d'initialisation du calendrier perpétuel d'un chronographe analogique à quartz et chronographe à quartz pour sa mise en oeuvre.
JPH0618680A (ja) * 1992-07-02 1994-01-28 Sony Corp 時計装置
CH686106B5 (fr) * 1993-03-23 1996-07-15 Ebauchesfabrik Eta Ag Montre-chronographe avec indicateur de quantième.
JP3732281B2 (ja) * 1996-08-30 2006-01-05 シチズン時計株式会社 多機能時計
JP3763050B2 (ja) * 1997-12-26 2006-04-05 シチズン時計株式会社 カレンダー付き電子時計
JP4406779B2 (ja) * 1997-12-26 2010-02-03 シチズンホールディングス株式会社 カレンダーの月末無修正装置を備えた電子時計
US6477114B1 (en) * 1997-12-26 2002-11-05 Citizen Watch Co., Ltd. Electronic timepiece with calendar device
JP2900154B1 (ja) * 1998-02-12 1999-06-02 セイコーインスツルメンツ株式会社 オートカレンダ付電子時計
DE29806161U1 (de) * 1998-04-06 1998-07-30 AFG-Elektronik GmbH, 90765 Fürth Uhr
CN2346848Y (zh) * 1998-08-31 1999-11-03 张明煌 快速调整式人孔盖座
US20030169641A1 (en) * 2002-03-08 2003-09-11 Quartex A Division Of Primex, 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
US6873573B2 (en) * 2001-09-21 2005-03-29 Quartex, Inc. Wireless synchronous time system
CA2460995A1 (en) * 2001-09-21 2003-03-27 Quartex, Inc. Time keeping system with automatic daylight savings time adjustment
US7369462B2 (en) * 2001-09-21 2008-05-06 Quartex, Division Of Primex, Inc. Wireless synchronous time system with solar powered transceiver
EP2884349B1 (fr) * 2013-12-13 2020-07-01 ETA SA Manufacture Horlogère Suisse Procédé de commande d'un affichage analogique équipant un mouvement horloger
JP6466224B2 (ja) * 2015-03-31 2019-02-06 シチズン時計株式会社 アナログ電子時計及びアナログ電子時計の制御方法
JP6798573B2 (ja) * 2019-04-10 2020-12-09 カシオ計算機株式会社 アナログ表示装置、電子時計、表示動作制御方法、及びプログラム

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013153B2 (ja) * 1976-12-03 1985-04-05 シチズン時計株式会社 カレンダ−付電子時計
JPS5388761A (en) * 1976-12-27 1978-08-04 Seiko Epson Corp Electronic watch with auxiliary battery
CH613837B (fr) * 1977-06-14 Suisse Horlogerie Montre electronique a affichage mecanique.
US4211065A (en) * 1977-08-26 1980-07-08 Hughes Aircraft Company Automatic system for setting digital watches
JPS6039193B2 (ja) * 1977-10-18 1985-09-04 セイコーエプソン株式会社 電子時計
JPS5494850A (en) * 1978-01-11 1979-07-26 Nissan Motor Arithmetic processor
GB2015208B (en) * 1978-02-27 1982-09-02 Rockwell International Corp Data monitoring and recording system incorporating a real time clock using computer means
JPS6045834B2 (ja) * 1978-03-30 1985-10-12 セイコーエプソン株式会社 時計用日表示部材の送り機構
GB2063160B (en) * 1979-10-30 1984-01-11 Pitney Bowes Inc Electronic postage meter
CH643106B (fr) * 1980-11-26 Suisse Horlogerie Garde-temps comprenant une chaine de diviseurs au rapport de division ajustable.
DE3247910A1 (de) * 1982-12-24 1984-06-28 SWF-Spezialfabrik für Autozubehör Gustav Rau GmbH, 7120 Bietigheim-Bissingen Schaltanordnung zur datenspeicherung in kraftfahrzeugen
JPS6033680A (ja) * 1983-08-03 1985-02-21 Hitachi Ltd 標準パタ−ン作成方式

Also Published As

Publication number Publication date
DE3668507D1 (de) 1990-03-01
EP0231451B1 (fr) 1990-01-24
HK32393A (en) 1993-04-08
JPH07119811B2 (ja) 1995-12-20
CH661833GA3 (en, 2012) 1987-08-31
EP0231451A1 (fr) 1987-08-12
US4695168A (en) 1987-09-22
JPS62147392A (ja) 1987-07-01

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