JPS54133163A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS54133163A
JPS54133163A JP3939578A JP3939578A JPS54133163A JP S54133163 A JPS54133163 A JP S54133163A JP 3939578 A JP3939578 A JP 3939578A JP 3939578 A JP3939578 A JP 3939578A JP S54133163 A JPS54133163 A JP S54133163A
Authority
JP
Japan
Prior art keywords
output
signal
time
driving pulses
variable frequency
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
JP3939578A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6130444B2 (enrdf_load_stackoverflow
Inventor
Yukio Hashimoto
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 JP3939578A priority Critical patent/JPS54133163A/ja
Publication of JPS54133163A publication Critical patent/JPS54133163A/ja
Publication of JPS6130444B2 publication Critical patent/JPS6130444B2/ja
Granted 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)
  • Electromechanical Clocks (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Electric Clocks (AREA)
JP3939578A 1978-04-04 1978-04-04 Electronic watch Granted JPS54133163A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3939578A JPS54133163A (en) 1978-04-04 1978-04-04 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3939578A JPS54133163A (en) 1978-04-04 1978-04-04 Electronic watch

Publications (2)

Publication Number Publication Date
JPS54133163A true JPS54133163A (en) 1979-10-16
JPS6130444B2 JPS6130444B2 (enrdf_load_stackoverflow) 1986-07-14

Family

ID=12551800

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3939578A Granted JPS54133163A (en) 1978-04-04 1978-04-04 Electronic watch

Country Status (1)

Country Link
JP (1) JPS54133163A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5530407A (en) * 1992-04-17 1996-06-25 Seiko Epson Corporation Digital trimming for frequency adjustment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5530407A (en) * 1992-04-17 1996-06-25 Seiko Epson Corporation Digital trimming for frequency adjustment
US5587691A (en) * 1992-04-17 1996-12-24 Seiko Epson Corporation Digital trimming for frequency adjustment

Also Published As

Publication number Publication date
JPS6130444B2 (enrdf_load_stackoverflow) 1986-07-14

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