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JPS5428177A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS5428177A
JPS5428177A JP9367077A JP9367077A JPS5428177A JP S5428177 A JPS5428177 A JP S5428177A JP 9367077 A JP9367077 A JP 9367077A JP 9367077 A JP9367077 A JP 9367077A JP S5428177 A JPS5428177 A JP S5428177A
Authority
JP
Japan
Prior art keywords
electronic watch
roms
counters
operators
registers
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
JP9367077A
Other languages
Japanese (ja)
Inventor
Shinji Morozumi
Yoshikazu Akaha
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 JP9367077A priority Critical patent/JPS5428177A/en
Publication of JPS5428177A publication Critical patent/JPS5428177A/en
Pending 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

Landscapes

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

Abstract

PURPOSE:To achieve the reduction in cost by providing two crystal oscillators and operators, registers, ROMs, counters and control circuit and performing the absolute value correction of rate or temperature correction depending upon the contents of the ROMs.
JP9367077A 1977-08-04 1977-08-04 Electronic watch Pending JPS5428177A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9367077A JPS5428177A (en) 1977-08-04 1977-08-04 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9367077A JPS5428177A (en) 1977-08-04 1977-08-04 Electronic watch

Publications (1)

Publication Number Publication Date
JPS5428177A true JPS5428177A (en) 1979-03-02

Family

ID=14088829

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9367077A Pending JPS5428177A (en) 1977-08-04 1977-08-04 Electronic watch

Country Status (1)

Country Link
JP (1) JPS5428177A (en)

Cited By (4)

* 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
JPS61118479A (en) * 1984-11-15 1986-06-05 Toyo Soda Mfg Co Ltd Adhesive composition
JP2013098865A (en) * 2011-11-02 2013-05-20 Nippon Dempa Kogyo Co Ltd Oscillation device

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
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
JPS61118479A (en) * 1984-11-15 1986-06-05 Toyo Soda Mfg Co Ltd Adhesive composition
JP2013098865A (en) * 2011-11-02 2013-05-20 Nippon Dempa Kogyo Co Ltd Oscillation device

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