GB1462898A - Electronic timepiece - Google Patents

Electronic timepiece

Info

Publication number
GB1462898A
GB1462898A GB5464674A GB5464674A GB1462898A GB 1462898 A GB1462898 A GB 1462898A GB 5464674 A GB5464674 A GB 5464674A GB 5464674 A GB5464674 A GB 5464674A GB 1462898 A GB1462898 A GB 1462898A
Authority
GB
United Kingdom
Prior art keywords
display
circuitry
motor
date
seconds
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
Application number
GB5464674A
Other languages
English (en)
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.)
Zenith Electronics LLC
Original Assignee
Zenith Radio Corp
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 Zenith Radio Corp filed Critical Zenith Radio Corp
Publication of GB1462898A publication Critical patent/GB1462898A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • 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
    • G04C3/008—Mounting, assembling of components
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0023—Visual time or date indication means by light valves in general
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
    • G04G9/087—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques provided with means for displaying at will a time indication or a date or a part thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
GB5464674A 1974-01-14 1974-12-18 Electronic timepiece Expired GB1462898A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US432935A US3911665A (en) 1974-01-14 1974-01-14 Electronic timepiece having complementary electro-optical and electro-mechanical displays

Publications (1)

Publication Number Publication Date
GB1462898A true GB1462898A (en) 1977-01-26

Family

ID=23718167

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5464674A Expired GB1462898A (en) 1974-01-14 1974-12-18 Electronic timepiece

Country Status (5)

Country Link
US (1) US3911665A (enrdf_load_stackoverflow)
JP (1) JPS50108964A (enrdf_load_stackoverflow)
CA (1) CA1028156A (enrdf_load_stackoverflow)
CH (2) CH594930B (enrdf_load_stackoverflow)
GB (1) GB1462898A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2804041A1 (de) * 1978-01-31 1979-08-02 Junghans Gmbh Geb Elektronische uhr
US4413915A (en) 1980-12-16 1983-11-08 Eta S.A. Fabriques D'ebauches Eta 13 Watch having an analog display and a digital display

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3968641A (en) * 1975-05-12 1976-07-13 Hughes Aircraft Company Digital watch with oscillator/divider power selection circuitry
US4009566A (en) * 1975-05-27 1977-03-01 Hughes Aircraft Company Digital watch with liquid crystal and sequentially read out light emitting diode displays
JPS5233570A (en) * 1975-09-09 1977-03-14 Seiko Instr & Electronics Ltd Drive circuit for luminous body for illumination for liquid crystal el ectronic watch
JPS52111757A (en) * 1976-03-16 1977-09-19 Citizen Watch Co Ltd Electroinc watch
DE2730069A1 (de) * 1977-07-02 1979-01-11 Braun Ag Zeitmesser mit einer anzeigeeinrichtung
DE2732877C3 (de) * 1977-07-21 1984-10-25 Braun Ag, 6000 Frankfurt Zeitmesser mit einer Anzeigeeinrichtung
US4264970A (en) * 1977-10-28 1981-04-28 Citizen Watch Company Limited Liquid crystal display cell for an electronic timepiece
US4245338A (en) * 1977-11-10 1981-01-13 Citizen Watch Company Limited Time correction system for an electronic timepiece
US4258431A (en) * 1977-12-09 1981-03-24 Citizen Watch Co., Ltd. Electronic timepiece having an analog display device and a digital display device
US4246602A (en) * 1977-12-09 1981-01-20 Citizen Watch Company Limited Electronic timepiece
DE2804013C2 (de) * 1978-01-31 1980-03-13 Gebrueder Junghans Gmbh, 7230 Schramberg Elektronische Uhr
CH629062B (fr) * 1978-03-29 Suisse Horlogerie Piece d'horlogerie pourvue d'un dispositif de synchronisation entre un affichage analogique et un affichage numerique.
JPS54130163A (en) * 1978-03-31 1979-10-09 Citizen Watch Co Ltd Electronic watch
US4290131A (en) * 1978-04-06 1981-09-15 Citizen Watch Company Limited Electronic timepiece
DE2821619C3 (de) * 1978-05-18 1981-05-21 Gebrüder Junghans GmbH, 7230 Schramberg Elektronische Uhr mit Analoganzeige-Zeigerwerk und Flüssigkristall-Anzeigeeinheit
US4228648A (en) * 1978-10-11 1980-10-21 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Hour hand corrector for dual display timepiece
US4320479A (en) * 1978-12-29 1982-03-16 Citizen Watch Co., Ltd. Analogue electronic timepiece with an alarm device
US4312056A (en) * 1979-01-17 1982-01-19 Citizen Watch Company Limited Composite display type electronic timepiece
CH630219B (fr) * 1979-06-01 Ebauches Electroniques Sa Montre electronique.
CH625387B (fr) * 1979-06-01 Ebauches Electroniques Sa Montre electronique.
CH631320B (fr) * 1979-06-13 Suisse Horlogerie Procede d'affichage pour piece d'horlogerie comportant l'excitationsimultanee de deux cellules superposees.
CH629064B (fr) * 1979-06-28 Ebauches Sa Montre electronique avec affichage auxiliaire digital.
US4236239A (en) * 1979-07-06 1980-11-25 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Electronic timepiece comprising two different displays
US4253173A (en) * 1979-10-15 1981-02-24 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Dual display synchronization system for a timepiece
US4437768A (en) 1980-04-11 1984-03-20 Citizen Watch Company Limited Movement structure for an electronic timepiece
USD267705S (en) 1980-06-11 1983-01-25 Kabushiki Kaisha Daini Seikosha Wristwatch
USD267861S (en) 1980-06-20 1983-02-08 Kabushiki Kaisha Daini Seikosha Wristwatch
CH649189GA3 (enrdf_load_stackoverflow) * 1981-12-28 1985-05-15
CH668350GA3 (en) * 1987-05-22 1988-12-30 Electric timepiece with inter module connection driving seconds hand - has gearing for centre second-hand wheel in one module rotated by motor in other module
DE9200950U1 (de) * 1992-01-28 1993-05-27 Junghans Uhren GmbH, 7230 Schramberg Kleine autonome analog anzeigende Funkuhr, insbesondere Funkarmbanduhr
USD416499S (en) 1998-06-11 1999-11-16 Fossil, Inc. Watch
US6084828A (en) * 1998-11-05 2000-07-04 Fossil, Inc. Timepiece and chronometer with overlapping, separately driven analog and digital displays
ES2249022T3 (es) 1998-11-05 2006-03-16 Fossil, Inc. Reloj y cronometro con pantallas solapadas analogica y digital controladas por separado.
WO2000062132A1 (en) 1999-04-12 2000-10-19 Quartex Clockworks, timepiece and method for operating the same
USD453475S1 (en) 2000-10-19 2002-02-12 Alfred International Ltd. Wrist watch
USD458852S1 (en) 2000-11-02 2002-06-18 Timex Group B.V. Watchhead and portion of a strap
USD469363S1 (en) 2001-12-20 2003-01-28 A.T.X. International, Inc. Watch with offset circular face
USD464276S1 (en) 2001-12-20 2002-10-15 A.T.X. International, Inc. Watch with trapezoidal face and multiple dials
USD464894S1 (en) 2001-12-20 2002-10-29 A.T.X. International, Inc. Watch with trapezoidal face and sweep dial
USD469364S1 (en) 2001-12-20 2003-01-28 A.T.X. International, Inc. Watch with rectangular face and beveled glass
USD468648S1 (en) 2002-02-06 2003-01-14 Fossil, Inc. Watch
MXPA02003689A (es) * 2002-03-01 2004-04-05 Fossil Inc Dispositivo de relojeria mejorado.
USD491817S1 (en) 2003-06-11 2004-06-22 Môvado LLC Watchcase
DE602005012495D1 (de) * 2005-07-15 2009-03-12 Rolex Sa Verzahnung mit Fehlerkompensation für Präzisionsmechanismen
US20080013409A1 (en) * 2006-07-11 2008-01-17 Bland Diarmuid John St Cullom Timepiece with overlapping, separately driven analog and mechanical functionality
KR20170039388A (ko) * 2015-10-01 2017-04-11 엘지전자 주식회사 전자디바이스

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2542021A (en) * 1946-07-16 1951-02-20 Fox Benjamin Electronic display system
US3668861A (en) * 1970-11-17 1972-06-13 Suwa Seikosha Kk Solid state electronic watch
GB1349209A (en) * 1971-02-25 1974-04-03 Suwa Seikosha Kk Electronic timepiece
US3747322A (en) * 1971-05-20 1973-07-24 Hmw Industries Light control for timing displays

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2804041A1 (de) * 1978-01-31 1979-08-02 Junghans Gmbh Geb Elektronische uhr
US4413915A (en) 1980-12-16 1983-11-08 Eta S.A. Fabriques D'ebauches Eta 13 Watch having an analog display and a digital display

Also Published As

Publication number Publication date
US3911665A (en) 1975-10-14
CH35475A4 (enrdf_load_stackoverflow) 1977-02-15
CH594930B (de) 1978-01-31
JPS50108964A (enrdf_load_stackoverflow) 1975-08-27
CA1028156A (en) 1978-03-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee