CA995470A - Electronic watch with display signal level converters - Google Patents

Electronic watch with display signal level converters

Info

Publication number
CA995470A
CA995470A CA188,372A CA188372A CA995470A CA 995470 A CA995470 A CA 995470A CA 188372 A CA188372 A CA 188372A CA 995470 A CA995470 A CA 995470A
Authority
CA
Canada
Prior art keywords
signal level
display signal
electronic watch
level converters
converters
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
CA188,372A
Other languages
English (en)
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
Priority to CA250,477A priority Critical patent/CA1008515A/en
Application granted granted Critical
Publication of CA995470A publication Critical patent/CA995470A/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)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Measurement Of Current Or Voltage (AREA)
CA188,372A 1973-01-02 1973-12-18 Electronic watch with display signal level converters Expired CA995470A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA250,477A CA1008515A (en) 1973-01-02 1976-04-20 Electronic watch

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
CA995470A true CA995470A (en) 1976-08-24

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 After (1)

Application Number Title Priority Date Filing Date
CA250,478A Expired CA1001712A (en) 1973-01-02 1976-04-20 Electronic watch

Country Status (6)

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

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 (enrdf_load_stackoverflow) * 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 (ja) * 1985-03-27 1997-07-30 カシオ計算機株式会社 液晶駆動装置
EP0539041B1 (en) * 1991-10-03 1997-06-18 Andrew L. Gold High voltage power supply
JP5997808B1 (ja) * 2015-06-18 2016-09-28 株式会社Pfu 画像処理装置、日付識別装置、画像処理方法、および、プログラム

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 (fr) * 1970-05-11 1972-08-31 Manuf Des Montres Rolex S A Bi Pièce d'horlogerie comprenant un dispositif d'affichage avec au moins une cellule à cristal liquide

Also Published As

Publication number Publication date
DE2365143B2 (de) 1978-05-24
IT1002456B (it) 1976-05-20
US3815354A (en) 1974-06-11
DE2365143C3 (de) 1979-01-18
JPS4999075A (enrdf_load_stackoverflow) 1974-09-19
GB1458834A (en) 1976-12-15
CA1001712A (en) 1976-12-14
DE2365143A1 (de) 1974-07-11

Similar Documents

Publication Publication Date Title
HK62676A (en) Electronic watch
AU4174472A (en) Solid state electronic timepiece
CA995470A (en) Electronic watch with display signal level converters
CA977981A (en) Solid state electronic wristwatch
CA995471A (en) Switch for electronic watch
GB1488914A (en) Electronic timepiece
HK50677A (en) Timepiece dial
CA972037A (en) Indicator light circuit
CA1018602A (en) Signal strength meter circuitry
CA993526A (en) Clock distribution circuit
CA1030619A (en) Differential circuit with improved signal balance
CA1016234A (en) Signal rectifying circuit
GB1489589A (en) Electronic timepiece
CA976568A (en) Electronic balance
CA1001424A (en) Digital display indicator
CA1025818A (en) Display component
CA997048A (en) Line usage measuring circuit
CA1006983A (en) Decimal point display circuit
HK52478A (en) Electronic timepiece
HK14778A (en) Digital electronic watch
MY7800420A (en) Electronic wristwatch
HK53178A (en) Electronic timepiece
CA962057A (en) Sign board
HK52377A (en) Electronic watch
CA1008515A (en) Electronic watch