JPS5283262A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS5283262A
JPS5283262A JP15960075A JP15960075A JPS5283262A JP S5283262 A JPS5283262 A JP S5283262A JP 15960075 A JP15960075 A JP 15960075A JP 15960075 A JP15960075 A JP 15960075A JP S5283262 A JPS5283262 A JP S5283262A
Authority
JP
Japan
Prior art keywords
electronic watch
power supplies
commercial power
frequency
usable
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
JP15960075A
Other languages
Japanese (ja)
Inventor
Tadashi Sano
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 JP15960075A priority Critical patent/JPS5283262A/en
Publication of JPS5283262A publication Critical patent/JPS5283262A/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

Landscapes

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

Abstract

PURPOSE:An electronic watch which is usable without switching the frequency even in areas where the frequency of commercial power supplies is 50 Hz and where it is 60 Hz and which uses the a.c. signal of commercial power supplies as time standard, is obtained.
JP15960075A 1975-12-30 1975-12-30 Electronic watch Pending JPS5283262A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15960075A JPS5283262A (en) 1975-12-30 1975-12-30 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15960075A JPS5283262A (en) 1975-12-30 1975-12-30 Electronic watch

Publications (1)

Publication Number Publication Date
JPS5283262A true JPS5283262A (en) 1977-07-12

Family

ID=15697231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15960075A Pending JPS5283262A (en) 1975-12-30 1975-12-30 Electronic watch

Country Status (1)

Country Link
JP (1) JPS5283262A (en)

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