CA1001712A - Electronic watch - Google Patents

Electronic watch

Info

Publication number: CA1001712A
Authority: CA; Canada
Prior art keywords: electronic watch; watch; electronic
Prior art date: 1973-01-02
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

CA250,478A

Inventor

Richard L. Sirocka

David F. Broxterman

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.)

Fairchild Semiconductor Corp

Original Assignee

Fairchild Camera and Instrument 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.)

1973-01-02

Filing date

1976-04-20

Publication date

1976-12-14

1976-04-20 Application filed by Fairchild Camera and Instrument Corp filed Critical Fairchild Camera and Instrument Corp

1976-12-14 Application granted granted Critical

1976-12-14 Publication of CA1001712A publication Critical patent/CA1001712A/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
- G04G9/08—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
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
- G04G19/02—Conversion or regulation of current or voltage
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
- H03K5/02—Shaping pulses by amplifying
- H03K5/023—Shaping pulses by amplifying using field effect transistors

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Power Engineering (AREA)
Nonlinear Science (AREA)
Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Electric Clocks (AREA)
Liquid Crystal Display Device Control (AREA)
Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Electromechanical Clocks (AREA)
Measurement Of Current Or Voltage (AREA)

CA250,478A 1973-01-02 1976-04-20 Electronic watch Expired CA1001712A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05320223 US3815354A (en)	1973-01-02	1973-01-02	Electronic watch

Publications (1)

Publication Number	Publication Date
CA1001712A true CA1001712A (en)	1976-12-14

Family

ID=23245422

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
CA188,372A Expired CA995470A (en)	1973-01-02	1973-12-18	Electronic watch with display signal level converters
CA250,478A Expired CA1001712A (en)	1973-01-02	1976-04-20	Electronic watch

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
CA188,372A Expired CA995470A (en)	1973-01-02	1973-12-18	Electronic watch with display signal level converters

Country Status (6)

Country	Link
US (1)	US3815354A (en)
JP (1)	JPS4999075A (en)
CA (2)	CA995470A (en)
DE (1)	DE2365143C3 (en)
GB (1)	GB1458834A (en)
IT (1)	IT1002456B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4008429A (en) *	1973-08-23	1977-02-15	Intel Corporation	Voltage translator for solid state watch
US3921456A (en) *	1974-01-14	1975-11-25	Environmental Measurements Inc	Air quality sampler
JPS5249139B2 (en) *	1974-09-04	1977-12-15
US3979681A (en) *	1974-11-27	1976-09-07	Solid State Scientific, Inc.	System and method for decoding reset signals of a timepiece for providing internal control
US4028596A (en) *	1974-12-13	1977-06-07	Coulter Information Systems, Inc.	Corona power supply circuit
JPS51115864A (en) *	1975-04-03	1976-10-12	Seiko Instr & Electronics Ltd	Electronic clock
JPS5213649A (en) *	1975-07-23	1977-02-02	Canon Inc	Device to control the power
JPS5240371A (en) *	1975-09-27	1977-03-29	Citizen Watch Co Ltd	Electronic watch
US4138262A (en) *	1976-09-20	1979-02-06	Energy Conversion Devices, Inc.	Imaging film comprising bismuth image-forming layer
JPS5410772A (en) *	1977-06-27	1979-01-26	Seiko Instr & Electronics Ltd	Electronic watch
US4224539A (en) *	1978-09-05	1980-09-23	Motorola, Inc.	FET Voltage level detecting circuit
JP2634794B2 (en) *	1985-03-27	1997-07-30	カシオ計算機株式会社	Liquid crystal drive
EP0539041B1 (en) *	1991-10-03	1997-06-18	Andrew L. Gold	High voltage power supply
JP5997808B1 (en) *	2015-06-18	2016-09-28	株式会社Pfu	Image processing device, date identification device, image processing method, and program

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3258906A (en) *	1964-03-04	1966-07-05	Gen Time Corp	Solid state clock
CH532811A (en) *	1970-05-11	1972-08-31	Manuf Des Montres Rolex S A Bi	Timepiece comprising a display device with at least one liquid crystal cell

1973
- 1973-01-02 US US05320223 patent/US3815354A/en not_active Expired - Lifetime
- 1973-12-18 CA CA188,372A patent/CA995470A/en not_active Expired
- 1973-12-28 GB GB6002373A patent/GB1458834A/en not_active Expired
- 1973-12-29 DE DE2365143A patent/DE2365143C3/en not_active Expired
- 1973-12-29 JP JP478074A patent/JPS4999075A/ja active Pending
- 1973-12-31 IT IT3243173A patent/IT1002456B/en active
1976
- 1976-04-20 CA CA250,478A patent/CA1001712A/en not_active Expired

Also Published As

Publication number	Publication date
JPS4999075A (en)	1974-09-19
CA995470A (en)	1976-08-24
IT1002456B (en)	1976-05-20
US3815354A (en)	1974-06-11
GB1458834A (en)	1976-12-15
DE2365143A1 (en)	1974-07-11
DE2365143C3 (en)	1979-01-18
DE2365143B2 (en)	1978-05-24

Publication	Publication Date	Title
HK62676A (en)	1976-10-15	Electronic watch
CA1004988A (en)	1977-02-08	Electronic screening
CA1000510A (en)	1976-11-30	Solid state electronic timepiece
CA1004778A (en)	1977-02-01	Integrated circuit
CA1006919A (en)	1977-03-15	Oscillator circuit
CA977981A (en)	1975-11-18	Solid state electronic wristwatch
CA995471A (en)	1976-08-24	Switch for electronic watch
GB1488914A (en)	1977-10-19	Electronic timepiece
CA1001712A (en)	1976-12-14	Electronic watch
CA986726A (en)	1976-04-06	Electronic wristwatch
AU473391B2 (en)	1976-06-17	Universal time watch
CA993526A (en)	1976-07-20	Clock distribution circuit
GB1489589A (en)	1977-10-19	Electronic timepiece
CA976568A (en)	1975-10-21	Electronic balance
AU501569B2 (en)	1979-06-21	Electronic system
CA1006965A (en)	1977-03-15	Fall-safe timing circuit
CA1008935A (en)	1977-04-19	Sampling circuit
HK52878A (en)	1978-09-22	Electronic wristwatch
HK52478A (en)	1978-09-22	Electronic timepiece
HK14778A (en)	1978-03-23	Digital electronic watch
MY7800426A (en)	1978-12-31	Electronic timepiece
HK52377A (en)	1977-10-20	Electronic watch
CA977564A (en)	1975-11-11	Watch bracelet
CA1008515A (en)	1977-04-12	Electronic watch
CA993847A (en)	1976-07-27	Inch-metric dial