GB1570659A - Electronic timepiece - Google Patents

Electronic timepiece Download PDF

Info

Publication number
GB1570659A
GB1570659A GB26651/77A GB2665177A GB1570659A GB 1570659 A GB1570659 A GB 1570659A GB 26651/77 A GB26651/77 A GB 26651/77A GB 2665177 A GB2665177 A GB 2665177A GB 1570659 A GB1570659 A GB 1570659A
Authority
GB
United Kingdom
Prior art keywords
circuit
electronic timepiece
time standard
frequency
signal
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
GB26651/77A
Other languages
English (en)
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.)
Suwa Seikosha KK
Original Assignee
Suwa Seikosha KK
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
Priority claimed from JP7757976A external-priority patent/JPS5313470A/ja
Priority claimed from JP8135776A external-priority patent/JPS5328465A/ja
Application filed by Suwa Seikosha KK filed Critical Suwa Seikosha KK
Publication of GB1570659A publication Critical patent/GB1570659A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
    • G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G3/00—Producing timing pulses
    • G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Electromechanical Clocks (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
GB26651/77A 1976-06-30 1977-06-24 Electronic timepiece Expired GB1570659A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7757976A JPS5313470A (en) 1976-06-30 1976-06-30 Electronic timepiece
JP8135776A JPS5328465A (en) 1976-07-08 1976-07-08 Electronic watch

Publications (1)

Publication Number Publication Date
GB1570659A true GB1570659A (en) 1980-07-02

Family

ID=26418659

Family Applications (2)

Application Number Title Priority Date Filing Date
GB26651/77A Expired GB1570659A (en) 1976-06-30 1977-06-24 Electronic timepiece
GB48149/78A Expired GB1570660A (en) 1976-06-30 1977-06-24 Electronic timepiece

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB48149/78A Expired GB1570660A (en) 1976-06-30 1977-06-24 Electronic timepiece

Country Status (4)

Country Link
US (1) US4159622A (en, 2012)
CH (1) CH617314B (en, 2012)
GB (2) GB1570659A (en, 2012)
HK (1) HK53081A (en, 2012)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5550191A (en) * 1978-10-06 1980-04-11 Citizen Watch Co Ltd Electronic timepiece
JPS5565188A (en) * 1978-11-10 1980-05-16 Seiko Instr & Electronics Ltd Electronic watch
CH620087B (de) * 1979-03-09 Suisse Horlogerie Oszillator mit einem hochfrequenz-quarzresonator.
US4358839A (en) * 1979-05-01 1982-11-09 The Singer Company Absolute digital clock system
CH621680B (de) * 1979-05-22 Suisse Horlogerie Oszillator mit temperaturkompensation.
JPS55160891A (en) * 1979-06-01 1980-12-15 Seiko Instr & Electronics Ltd Temperature correcting circuit
EP0047320A4 (en) * 1979-12-20 1982-05-10 Ricoh Watch LINEARIZATION CIRCUIT AND ELECTRONIC CLOCK THAT IS EQUIPPED WITH IT.
CH625670B (de) * 1980-01-10 Suisse Horlogerie Oszillator mit digitaler temperaturkompensation.
CH626500B (de) 1980-01-10 Suisse Horlogerie Oszillator mit digitaler temperaturkompensation.
CH643106B (fr) * 1980-11-26 Suisse Horlogerie Garde-temps comprenant une chaine de diviseurs au rapport de division ajustable.
US4407589A (en) * 1981-02-13 1983-10-04 Davidson John R Error correction method and apparatus for electronic timepieces
US4454483A (en) * 1982-03-25 1984-06-12 Cubic Corporation Temperature compensation of an oscillator by fractional cycle synthesis
US4872765A (en) * 1983-04-20 1989-10-10 The United States Of America As Represented By The Secretary Of The Army Dual mode quartz thermometric sensing device
DE60042916D1 (de) * 2000-01-10 2009-10-22 Eta Sa Mft Horlogere Suisse Vorrichtung um ein Signal zu erzeugen,dessen Frequenz wesentlich Temperatur unabhängig ist
FR2808597B1 (fr) * 2000-05-02 2002-07-12 Schneider Electric Ind Sa Detecteur inductif ou capacitif
US8979362B2 (en) * 2012-02-15 2015-03-17 Infineon Technologies Ag Circuit and method for sensing a physical quantity, an oscillator circuit, a smartcard, and a temperature-sensing circuit
US9796952B2 (en) 2012-09-25 2017-10-24 The Procter & Gamble Company Laundry care compositions with thiazolium dye
EP3130966B1 (fr) * 2015-08-11 2018-08-01 ETA SA Manufacture Horlogère Suisse Mouvement d'horlogerie mecanique muni d'un systeme de retroaction du mouvement
DE102020135100B4 (de) * 2020-12-30 2022-08-11 Realization Desal Ag Armbanduhr

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3451210A (en) * 1966-07-01 1969-06-24 Benrus Corp System for maintaining oscillations in an electric timing mechanism having an oscillatory element
US3508391A (en) * 1966-08-26 1970-04-28 Ray H Lee Electronic controlled time piece
US3881310A (en) * 1971-03-02 1975-05-06 Diehl Clock adapted to be synchronized by alternating current in a wireless manner
BE789976A (fr) * 1971-10-15 1973-02-01 Centre Electron Horloger Garde-temps
US3999370A (en) * 1973-02-10 1976-12-28 Citizen Watch Co., Ltd. Temperature compensated electronic timepiece
US3938316A (en) * 1973-02-10 1976-02-17 Citizen Watch Co., Ltd. Temperature compensated electronic timepiece
CH573625B5 (en, 2012) * 1973-10-02 1976-03-15 Patek Philippe Sa
JPS5071362A (en, 2012) * 1973-10-24 1975-06-13
CH581348B5 (en, 2012) * 1973-11-20 1976-10-29 Omega Brandt & Freres Sa Louis
FR2262824B1 (en, 2012) * 1974-03-01 1976-06-25 Schlumberger Compteurs
US4023344A (en) * 1975-09-03 1977-05-17 Kabushiki Kaisha Suwa Seikosha Automatically corrected electronic timepiece
US4068462A (en) * 1976-05-17 1978-01-17 Fairchild Camera And Instrument Corporation Frequency adjustment circuit

Also Published As

Publication number Publication date
GB1570660A (en) 1980-07-02
HK53081A (en) 1981-11-13
US4159622A (en) 1979-07-03
CH617314GA3 (en, 2012) 1980-05-30
CH617314B (de)

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19970623