EP0415734A3 - Analog electric timepiece - Google Patents

Analog electric timepiece Download PDF

Info

Publication number
EP0415734A3
EP0415734A3 EP19900309434 EP90309434A EP0415734A3 EP 0415734 A3 EP0415734 A3 EP 0415734A3 EP 19900309434 EP19900309434 EP 19900309434 EP 90309434 A EP90309434 A EP 90309434A EP 0415734 A3 EP0415734 A3 EP 0415734A3
Authority
EP
European Patent Office
Prior art keywords
analog electric
electric timepiece
timepiece
analog
electric
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.)
Withdrawn
Application number
EP19900309434
Other versions
EP0415734A2 (en
Inventor
Yuichi C/O Seiko Instruments Inc. Inoue
Chiaki C/O Seiko Instruments Inc. Nakamura
Shigeyuki C/O Seiko Instruments Inc. Masuda
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
Publication of EP0415734A2 publication Critical patent/EP0415734A2/en
Publication of EP0415734A3 publication Critical patent/EP0415734A3/en
Withdrawn legal-status Critical Current

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
    • 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
EP19900309434 1989-09-01 1990-08-29 Analog electric timepiece Withdrawn EP0415734A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23184189A JPH0390888A (en) 1989-09-01 1989-09-01 Analog electronic watch
JP231841/89 1989-09-01

Publications (2)

Publication Number Publication Date
EP0415734A2 EP0415734A2 (en) 1991-03-06
EP0415734A3 true EP0415734A3 (en) 1991-09-25

Family

ID=16929851

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900309434 Withdrawn EP0415734A3 (en) 1989-09-01 1990-08-29 Analog electric timepiece

Country Status (2)

Country Link
EP (1) EP0415734A3 (en)
JP (1) JPH0390888A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101689040B (en) * 2007-06-15 2012-01-04 Isa瑞士股份有限公司 Digital display method on analog watch and analog watch using the same

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH687727B5 (en) * 1995-05-24 1997-08-15 Rolex Montres timepiece including an electric wristwatch of the analog type.
DE19882138B4 (en) * 1997-12-26 2007-05-16 Citizen Watch Co Ltd Electronic clock with calendar device
CH707467B1 (en) * 2005-09-13 2014-07-15 Lvmh Swiss Mft Sa Watch with multifunctional display.
CH703542B1 (en) * 2007-06-15 2012-02-15 Isa Swiss Sa Time relative data e.g. date, displaying method for analog watch, involves making display to be contrast with background, and reversing contrast at midday and midnight by actuating contacts to differentiate morning from afternoon
RU2525465C1 (en) * 2013-06-14 2014-08-20 Общество с ограниченной ответственностью "Константин Чайкин" Positional indication apparatus for clock and clock having positional indication apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0247418A1 (en) * 1986-05-26 1987-12-02 Eta SA Fabriques d'Ebauches Perpetual calender clock with two motors

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53107872A (en) * 1977-03-03 1978-09-20 Kaname Aoki Time dependentttype display device
JPS5599090A (en) * 1979-01-23 1980-07-28 Seiko Instr & Electronics Ltd Analog alarm watch
CH661833GA3 (en) * 1985-12-18 1987-08-31

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0247418A1 (en) * 1986-05-26 1987-12-02 Eta SA Fabriques d'Ebauches Perpetual calender clock with two motors

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BULLETIN ANNUEL DE LA SOC. SUISSE DE CHRONOMETRIE, vol. 11, no. 1, 1982, pages 77-81, Neuchatel, CH; R. BESSON: "Montre reveil à quartz et à affichage à aiguilles" *
PATENT ABSTRACTS OF JAPAN, vol. 4, no. 149 (P-32), 21st October 1980; & JP-A-55 99 090 (SEIKO INSTR. & ELECTRONICS LTD) 28-07-1980 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101689040B (en) * 2007-06-15 2012-01-04 Isa瑞士股份有限公司 Digital display method on analog watch and analog watch using the same

Also Published As

Publication number Publication date
EP0415734A2 (en) 1991-03-06
JPH0390888A (en) 1991-04-16

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