CH594930B - ELECTRONIC CLOCK. - Google Patents

ELECTRONIC CLOCK.

Info

Publication number: CH594930B
Authority: CH; Switzerland
Prior art keywords: electronic clock; clock; electronic
Prior art date: 1974-01-14

Application number

CH35475A

Other languages

German (de)

Inventor

Petrus A Van Berkum

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.)

1974-01-14

Filing date

1975-01-13

Publication date

1978-01-31

1975-01-13 Application filed by Zenith Radio Corp filed Critical Zenith Radio Corp

1975-12-16 Priority to CA241,856A priority Critical patent/CA1040065A/en

1978-01-31 Publication of CH594930B publication Critical patent/CH594930B/en

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)

CH35475A 1974-01-14 1975-01-13 ELECTRONIC CLOCK. CH594930B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA241,856A CA1040065A (en)	1974-01-22	1975-12-16	Cylinder-piston combination, particularly for high-pressure application

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
CH594930B true CH594930B (en)	1978-01-31

Family

ID=23718167

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
CH35475D CH35475A4 (en)	1974-01-14	1975-01-13
CH35475A CH594930B (en)	1974-01-14	1975-01-13	ELECTRONIC CLOCK.

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
CH35475D CH35475A4 (en)	1974-01-14	1975-01-13

Country Status (5)

Country	Link
US (1)	US3911665A (en)
JP (1)	JPS50108964A (en)
CA (1)	CA1028156A (en)
CH (2)	CH35475A4 (en)
GB (1)	GB1462898A (en)

Families Citing this family (35)

* 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 (en) *	1977-07-02	1979-01-11	Braun Ag	TIMEPIECE WITH A DISPLAY DEVICE
DE2732877C3 (en) *	1977-07-21	1984-10-25	Braun Ag, 6000 Frankfurt	Timepiece with a display device
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
US4246602A (en) *	1977-12-09	1981-01-20	Citizen Watch Company Limited	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
DE2804041C3 (en) *	1978-01-31	1983-11-17	Gebrüder Junghans GmbH, 7230 Schramberg	Electronic clock
DE2804013C2 (en) *	1978-01-31	1980-03-13	Gebrueder Junghans Gmbh, 7230 Schramberg	Electronic clock
DE2910736C3 (en) *	1978-03-29	1982-02-18	Société Suisse pour l'Industrie Horlogère Management Services S.A., Biel	Clock with analog and digital display
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 (en) *	1978-05-18	1981-05-21	Gebrüder Junghans GmbH, 7230 Schramberg	Electronic clock with analog display and hands and liquid crystal display unit
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
CH625387B (en) *	1979-06-01		Ebauches Electroniques Sa	ELECTRONIC WATCH.
CH630219B (en) *	1979-06-01		Ebauches Electroniques Sa	ELECTRONIC WATCH.
CH631320B (en) *	1979-06-13		Suisse Horlogerie	DISPLAY PROCESS FOR A PIECE OF WATCHMAKING INCLUDING THEIMULTANEOUS EXCITATION OF TWO SUPERIMPOSED CELLS.
CH629064B (en) *	1979-06-28		Ebauches Sa	ELECTRONIC WATCH WITH DIGITAL AUXILIARY DISPLAY.
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
CH649189GA3 (en) *	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 (en) *	1992-01-28	1993-05-27	Junghans Uhren GmbH, 7230 Schramberg	Small autonomous analogue radio-controlled clock, especially radio-controlled wristwatch
US6084828A (en) *	1998-11-05	2000-07-04	Fossil, Inc.	Timepiece and chronometer with overlapping, separately driven analog and digital displays
IL137154A0 (en)	1998-11-05	2001-07-24	Fossil Inc	Timepiece and chronometer with overlapping, seperately driven, analog and digital displays
WO2000062132A1 (en)	1999-04-12	2000-10-19	Quartex	Clockworks, timepiece and method for operating the same
MXPA02003689A (en) *	2002-03-01	2004-04-05	Fossil Inc	Improved timepiece.
DE05405440T1 (en) *	2005-07-15	2007-09-06	Rolex Sa	Gearing with error compensation for precision mechanisms
US20080013409A1 (en) *	2006-07-11	2008-01-17	Bland Diarmuid John St Cullom	Timepiece with overlapping, separately driven analog and mechanical functionality
KR20170039388A (en) *	2015-10-01	2017-04-11	엘지전자 주식회사	Electronic device

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

1974
- 1974-01-14 US US432935A patent/US3911665A/en not_active Expired - Lifetime
- 1974-11-21 CA CA214,384A patent/CA1028156A/en not_active Expired
- 1974-12-18 GB GB5464674A patent/GB1462898A/en not_active Expired
1975
- 1975-01-13 CH CH35475D patent/CH35475A4/xx unknown
- 1975-01-13 CH CH35475A patent/CH594930B/en not_active IP Right Cessation
- 1975-01-13 JP JP50006211A patent/JPS50108964A/ja active Pending

Also Published As

Publication number	Publication date
CH35475A4 (en)	1977-02-15
JPS50108964A (en)	1975-08-27
CA1028156A (en)	1978-03-21
GB1462898A (en)	1977-01-26
US3911665A (en)	1975-10-14

Publication	Publication Date	Title
CH624266B (en)		ELECTRONIC CLOCK.
CH594930B (en)	1978-01-31	ELECTRONIC CLOCK.
IT1034445B (en)	1979-09-10	ELECTRONIC CALCULATOR CLOCK
CH534386A (en)	1972-08-31	Electronic digital clock
NL7411874A (en)	1975-04-02	ELECTRONIC KILOWATURE METER.
NL7510727A (en)	1976-03-16	ELECTRONIC HEART RATE SIMULATOR.
FR2282748A1 (en)	1976-03-19	ELECTRONIC OSCILLATOR
FR2289964A1 (en)	1976-05-28	MICROPROCESSOR CONSTITUTED BY A SINGLE INTEGRATED CIRCUIT
CH510910A (en)	1971-03-15	Electronic clock
CH617820B (en)		DIGITAL ELECTRONIC SOLID-WATER CLOCK.
SE397142B (en)	1977-10-17	ELECTRONIC COPYER
CH614095B (en)		ELECTRONIC CLOCK.
CH613344B (en)		ELECTRONIC CLOCK.
NL7416395A (en)	1976-06-21	ELECTRONIC MICROSKOP.
NL7514871A (en)	1976-06-22	ELECTRONIC CONTROL DEVICE.
IT1041895B (en)	1980-01-10	ELECTRONIC CALCULATOR
SE7506416L (en)	1975-12-09	ELECTRONIC TAXAMETER.
CH381073A4 (en)	1975-06-30	Electronic clock with digital time display
NL7509429A (en)	1976-02-10	ELECTRONIC STEERING GEAR.
ES211292Y (en)	1976-11-01	A CLOCK.
FR2296213A1 (en)	1976-07-23	DIGITIALLY WORKING ELECTRONIC CLOCK
NL166600C (en)	1981-08-17	ELECTRONIC SWITCHING DEVICE.
IT1073567B (en)	1985-04-17	ELECTRONIC CLOCK
AT342336B (en)	1978-03-28	ELECTRONIC CALCULATOR
IT1034576B (en)	1979-10-10	PENDULUM CLOCK

Legal Events

Date	Code	Title	Description
1979-11-15	PL	Patent ceased
2024-10-31	PL	Patent ceased