JPS5428178A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS5428178A
JPS5428178A JP9367177A JP9367177A JPS5428178A JP S5428178 A JPS5428178 A JP S5428178A JP 9367177 A JP9367177 A JP 9367177A JP 9367177 A JP9367177 A JP 9367177A JP S5428178 A JPS5428178 A JP S5428178A
Authority
JP
Japan
Prior art keywords
electronic watch
signal
soscillators
crystll
compsotie
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.)
Pending
Application number
JP9367177A
Other languages
Japanese (ja)
Inventor
Yoshikazu Akaha
Shinji Morozumi
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
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
Application filed by Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP9367177A priority Critical patent/JPS5428178A/en
Publication of JPS5428178A publication Critical patent/JPS5428178A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G04G3/027—Circuits for deriving low frequency timing pulses from pulses of higher frequency by combining pulse-trains of different frequencies, e.g. obtained from two independent oscillators or from a common oscillator by means of different frequency dividing ratios

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Electric Clocks (AREA)
  • Oscillators With Electromechanical Resonators (AREA)

Abstract

PURPOSE:To perform temperature correction of an electronic watch and achieve the reduction in its cost by using the compsotie signal of two crystll soscillators as the clock pulses of beat signal counters.
JP9367177A 1977-08-04 1977-08-04 Electronic watch Pending JPS5428178A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9367177A JPS5428178A (en) 1977-08-04 1977-08-04 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9367177A JPS5428178A (en) 1977-08-04 1977-08-04 Electronic watch

Publications (1)

Publication Number Publication Date
JPS5428178A true JPS5428178A (en) 1979-03-02

Family

ID=14088857

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9367177A Pending JPS5428178A (en) 1977-08-04 1977-08-04 Electronic watch

Country Status (1)

Country Link
JP (1) JPS5428178A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55124311A (en) * 1979-03-09 1980-09-25 Suisse Horlogerie Oscillator having high frequency crystal resonator
JPS55154807A (en) * 1979-05-22 1980-12-02 Suisse Horlogerie Temperature compensating oscillator
JPS574579A (en) * 1980-06-10 1982-01-11 Seiko Epson Corp Device for adjusting precision of time
JPS58114506A (en) * 1981-12-17 1983-07-07 アスラブ・ソシエテ・アノニム Time base device compensated for temperature of resonator
US7612127B2 (en) 2003-12-22 2009-11-03 Denki Kagaku Kogyo Kabushiki Kaisha Curable resin composition

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55124311A (en) * 1979-03-09 1980-09-25 Suisse Horlogerie Oscillator having high frequency crystal resonator
JPS6347002B2 (en) * 1979-03-09 1988-09-20 Suisehooru Eru Ind Hoorogeru Maneejimento Saabisesu Sa Soc
JPS55154807A (en) * 1979-05-22 1980-12-02 Suisse Horlogerie Temperature compensating oscillator
JPS574579A (en) * 1980-06-10 1982-01-11 Seiko Epson Corp Device for adjusting precision of time
JPS58114506A (en) * 1981-12-17 1983-07-07 アスラブ・ソシエテ・アノニム Time base device compensated for temperature of resonator
US7612127B2 (en) 2003-12-22 2009-11-03 Denki Kagaku Kogyo Kabushiki Kaisha Curable resin composition

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