CA931768A - Solid state timepiece with liquid crystal display - Google Patents

Solid state timepiece with liquid crystal display

Info

Publication number: CA931768A
Authority: CA; Canada
Prior art keywords: liquid crystal; crystal display; solid state; timepiece; state timepiece
Prior art date: 1971-03-12
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

CA127395A

Other versions

CA127395S (en

Inventor

M. Bergey John

S. Walton Richard

L. Blouch Eric

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.)

Hamilton Watch Co

Original Assignee

Hamilton Watch Co

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.)

1971-03-12

Filing date

1971-11-10

Publication date

1973-08-14

1971-11-10 Application filed by Hamilton Watch Co filed Critical Hamilton Watch Co

1973-08-14 Application granted granted Critical

1973-08-14 Publication of CA931768A publication Critical patent/CA931768A/en

Status Expired legal-status Critical Current

Classifications

- 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
- G04G9/0029—Details
- G04G9/0047—Details electrical, e.g. selection or application of the operating voltage
- 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
- G04G9/12—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Electric Clocks (AREA)
Liquid Crystal Display Device Control (AREA)

CA127395A 1971-03-12 1971-11-10 Solid state timepiece with liquid crystal display Expired CA931768A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US12367271A	1971-03-12	1971-03-12

Publications (1)

Publication Number	Publication Date
CA931768A true CA931768A (en)	1973-08-14

Family

ID=22410129

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA127395A Expired CA931768A (en)	1971-03-12	1971-11-10	Solid state timepiece with liquid crystal display

Country Status (7)

Country	Link
US (1)	US3701249A (en)
JP (1)	JPS5328461Y2 (en)
CA (1)	CA931768A (en)
CH (1)	CH363072A4 (en)
DE (1)	DE2210454B2 (en)
FR (1)	FR2128761B1 (en)
GB (1)	GB1358707A (en)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3992081A (en) *	1969-06-11	1976-11-16	Kabushiki Kaisha Suwa Seikosha	Liquid crystal display device with enhanged contrast
USRE29250E (en) *	1971-06-06	1977-06-07	Kabushiki Kaisha Suwa Seikosha	Digital electronic watch having calendar display arrangement
JPS5644438B2 (en) *	1972-03-29	1981-10-19
US3855783A (en) *	1972-04-20	1974-12-24	Optel Corp	Digital electronic timepiece
US3828548A (en) *	1972-06-19	1974-08-13	Texas Instruments Inc	Liquid crystal drive circuit
JPS4969174U (en) *	1972-09-27	1974-06-17
JPS5534388B2 (en) *	1972-10-05	1980-09-06
JPS5311200B2 (en) *	1973-01-19	1978-04-19
JPS49118166U (en) *	1973-02-03	1974-10-09
US4116544A (en) *	1973-02-12	1978-09-26	Beckman Instruments, Inc.	Liquid crystal reflective display apparatus
JPS5751076B2 (en) *	1973-08-02	1982-10-30
US4027305A (en) *	1973-08-09	1977-05-31	Canon Kabushiki Kaisha	System for driving liquid crystal display device
US3864905A (en) *	1973-11-14	1975-02-11	Hoffmann La Roche	Horological instrument incorporating means for illuminating a liquid crystal display
FR2309000A1 (en) *	1975-04-25	1976-11-19	Cii	Control circuit for liquid crystal display - prevents polarisation phenomena due to DC component of excitation current
US3968641A (en) *	1975-05-12	1976-07-13	Hughes Aircraft Company	Digital watch with oscillator/divider power selection circuitry
JPS5210971A (en) *	1975-07-04	1977-01-27	Yoshikazu Shoda	Sludge filter device
JPS5232374A (en) *	1975-09-08	1977-03-11	Citizen Watch Co Ltd	Electronic watch
JPS5296064A (en) *	1976-02-09	1977-08-12	Seiko Epson Corp	Electronic timepiece
JPS5473079A (en) *	1977-11-22	1979-06-12	Copal Co Ltd	Time indicator for electronic digital car clock
US4271497A (en) *	1977-12-16	1981-06-02	Terzian Berj A	Quadri-balanced digital time displays
US4264966A (en) *	1977-12-16	1981-04-28	Terzian Berj A	Balanced digital time displays
US4270196A (en) *	1977-12-16	1981-05-26	Terzian Berj A	Balanced complementary digital time displays
JPS54141053A (en) *	1978-04-24	1979-11-01	Yamada Kogyo Kk	Preetreatment method of raw sewage
US4483628A (en) *	1979-06-29	1984-11-20	Terzian Beri A	Balanced chronograph digital time display
US5064277A (en) *	1991-01-28	1991-11-12	Eastman Kodak Company	Operation of a light modulator of the planar electrode type
DE19757564A1 (en) *	1997-12-23	1999-07-01	Mannesmann Vdo Ag	Display device
FR2781928B1 (en) *	1998-07-28	2000-12-08	Opsis	DEVICE COMPRISING A SEMICONDUCTOR CHIP WITH ORIGINAL INSULATING AND TRANSPARENT SUBSTRATE
DE10339020A1 (en) *	2003-08-25	2005-03-24	Fehring, Hannes, Dipl.-Ing.	Method and device for cleaning sails
EP2290478A1 (en) *	2009-09-01	2011-03-02	ETA SA Manufacture Horlogère Suisse	Covering element for a wristwatch
JP6798470B2 (en) *	2017-11-08	2020-12-09	カシオ計算機株式会社	Electronic clocks, display control methods, and programs

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3505804A (en) *	1968-04-23	1970-04-14	Rca Corp	Solid state clock
US3576099A (en) *	1969-04-22	1971-04-27	Hamilton Watch Co	Solid state timepiece having electro-optical time display
US3654606A (en) *	1969-11-06	1972-04-04	Rca Corp	Alternating voltage excitation of liquid crystal display matrix

1971
- 1971-03-12 US US123672A patent/US3701249A/en not_active Expired - Lifetime
- 1971-11-10 CA CA127395A patent/CA931768A/en not_active Expired
- 1971-11-18 GB GB5367171A patent/GB1358707A/en not_active Expired
- 1971-12-25 JP JP1971122355U patent/JPS5328461Y2/ja not_active Expired
1972
- 1972-03-03 DE DE19722210454 patent/DE2210454B2/en not_active Withdrawn
- 1972-03-09 FR FR7208164A patent/FR2128761B1/fr not_active Expired
- 1972-03-13 CH CH363072D patent/CH363072A4/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
FR2128761B1 (en)	1977-04-01
FR2128761A1 (en)	1972-10-20
JPS5328461Y2 (en)	1978-07-18
GB1358707A (en)	1974-07-03
CH363072A4 (en)	1976-04-15
DE2210454B2 (en)	1976-12-16
JPS4716465U (en)	1972-10-26
DE2210454A1 (en)	1972-09-28
US3701249A (en)	1972-10-31

Publication	Publication Date	Title
CA931768A (en)	1973-08-14	Solid state timepiece with liquid crystal display
CA981778A (en)	1976-01-13	Liquid crystal display
CA1004316A (en)	1977-01-25	Liquid crystal display
CA1003073A (en)	1977-01-04	Liquid crystal display device
CA921995A (en)	1973-02-27	Liquid crystal display device
CA1018643A (en)	1977-10-04	Liquid crystal display device
CA944049A (en)	1974-03-19	Color display employing liquid crystal
CA975152A (en)	1975-09-30	Liquid crystals
CA998154A (en)	1976-10-05	Display devices utilizing liquid crystal light modulation
CA938017A (en)	1973-12-04	Liquid crystal color display
CA997157A (en)	1976-09-21	Electronically controlled timepiece using liquid crystal display elements
CA934865A (en)	1973-10-02	Liquid crystal display device
CA1008548A (en)	1977-04-12	Liquid crystal display system
CA960330A (en)	1974-12-31	Liquid crystal display device
CA1000377A (en)	1976-11-23	Liquid crystal x-y matrix display device
CA1016261A (en)	1977-08-23	Liquid crystal display device
CA1011857A (en)	1977-06-07	Liquid crystal display
CA1011842A (en)	1977-06-07	Liquid crystal display device
CA994889A (en)	1976-08-10	Liquid crystal display
CA1028044A (en)	1978-03-14	Liquid crystal display
CA965511A (en)	1975-04-01	Fabrication of liquid crystal devices
CA1003204A (en)	1977-01-11	Liquid crystal cell
CA929612A (en)	1973-07-03	Liquid crystal electro-optical modulators
CA957756A (en)	1974-11-12	Liquid crystal cells
CA963061A (en)	1975-02-18	Display device including gas cells and liquid crystal cells