CA1001712A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
CA1001712A
CA1001712A CA250,478A CA250478A CA1001712A CA 1001712 A CA1001712 A CA 1001712A CA 250478 A CA250478 A CA 250478A CA 1001712 A CA1001712 A CA 1001712A
Authority
CA
Canada
Prior art keywords
electronic watch
watch
electronic
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
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.)
Filing date
Publication date
Application filed by Fairchild Camera and Instrument Corp filed Critical Fairchild Camera and Instrument Corp
Application granted granted Critical
Publication of CA1001712A publication Critical patent/CA1001712A/en
Expired legal-status Critical Current

Links

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)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electric Clocks (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (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
ATE154496T1 (en) * 1991-10-03 1997-07-15 Andrew L Gold HIGH VOLTAGE 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

Also Published As

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

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