JPS5429680A - Frequency regulator of electronic watches - Google Patents

Frequency regulator of electronic watches

Info

Publication number
JPS5429680A
JPS5429680A JP9546977A JP9546977A JPS5429680A JP S5429680 A JPS5429680 A JP S5429680A JP 9546977 A JP9546977 A JP 9546977A JP 9546977 A JP9546977 A JP 9546977A JP S5429680 A JPS5429680 A JP S5429680A
Authority
JP
Japan
Prior art keywords
frequency regulator
electronic watches
frequency
frequency dividing
letting
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.)
Granted
Application number
JP9546977A
Other languages
Japanese (ja)
Other versions
JPS6037914B2 (en
Inventor
Yoshinobu Kajima
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP9546977A priority Critical patent/JPS6037914B2/en
Priority to US05/851,187 priority patent/US4188775A/en
Priority to GB47529/77A priority patent/GB1591249A/en
Publication of JPS5429680A publication Critical patent/JPS5429680A/en
Publication of JPS6037914B2 publication Critical patent/JPS6037914B2/en
Expired 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
    • G04G3/022—Circuits for deriving low frequency timing pulses from pulses of higher frequency the desired number of pulses per unit of time being obtained by adding to or substracting from a pulse train one or more pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Abstract

PURPOSE:To make possible the regulation of a wide range with circuit constitution of less number of frequency dividing ratio setting terminals by letting the addition operation of the frequency divided outputs of specified frequency dividing stages be performed according to reference frequency errors.
JP9546977A 1976-11-16 1977-08-09 Electronic clock frequency adjustment device Expired JPS6037914B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP9546977A JPS6037914B2 (en) 1977-08-09 1977-08-09 Electronic clock frequency adjustment device
US05/851,187 US4188775A (en) 1976-11-16 1977-11-14 Frequency adjustment means for electric timepiece
GB47529/77A GB1591249A (en) 1976-11-16 1977-11-15 Electronic timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9546977A JPS6037914B2 (en) 1977-08-09 1977-08-09 Electronic clock frequency adjustment device

Publications (2)

Publication Number Publication Date
JPS5429680A true JPS5429680A (en) 1979-03-05
JPS6037914B2 JPS6037914B2 (en) 1985-08-29

Family

ID=14138499

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9546977A Expired JPS6037914B2 (en) 1976-11-16 1977-08-09 Electronic clock frequency adjustment device

Country Status (1)

Country Link
JP (1) JPS6037914B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63144717U (en) * 1987-03-13 1988-09-22
JPS63144718U (en) * 1987-03-13 1988-09-22
JPH0232221U (en) * 1988-08-24 1990-02-28

Also Published As

Publication number Publication date
JPS6037914B2 (en) 1985-08-29

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