JPS5268468A - Watch device - Google Patents

Watch device

Info

Publication number
JPS5268468A
JPS5268468A JP14474975A JP14474975A JPS5268468A JP S5268468 A JPS5268468 A JP S5268468A JP 14474975 A JP14474975 A JP 14474975A JP 14474975 A JP14474975 A JP 14474975A JP S5268468 A JPS5268468 A JP S5268468A
Authority
JP
Japan
Prior art keywords
watch device
watch
switch
driving
frequency signal
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
JP14474975A
Other languages
Japanese (ja)
Inventor
Iwao Tawara
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer 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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to JP14474975A priority Critical patent/JPS5268468A/en
Publication of JPS5268468A publication Critical patent/JPS5268468A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G5/00—Setting, i.e. correcting or changing, the time-indication

Landscapes

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

Abstract

PURPOSE:To positively perform the rate adjustment of a watch without adding a switch by driving a photo sensor receiving external light by means of a reference frequency signal and adjusting time counting.
JP14474975A 1975-12-04 1975-12-04 Watch device Pending JPS5268468A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14474975A JPS5268468A (en) 1975-12-04 1975-12-04 Watch device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14474975A JPS5268468A (en) 1975-12-04 1975-12-04 Watch device

Publications (1)

Publication Number Publication Date
JPS5268468A true JPS5268468A (en) 1977-06-07

Family

ID=15369465

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14474975A Pending JPS5268468A (en) 1975-12-04 1975-12-04 Watch device

Country Status (1)

Country Link
JP (1) JPS5268468A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56103395A (en) * 1979-12-21 1981-08-18 Timex Corp Digital type oscillation frequency adjustment method for electronic clock
EP2981019A1 (en) * 2014-07-29 2016-02-03 Samsung Electronics Co., Ltd Electronic device and clock control method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56103395A (en) * 1979-12-21 1981-08-18 Timex Corp Digital type oscillation frequency adjustment method for electronic clock
EP2981019A1 (en) * 2014-07-29 2016-02-03 Samsung Electronics Co., Ltd Electronic device and clock control method thereof
US9614504B2 (en) 2014-07-29 2017-04-04 Samsung Electronics Co., Ltd. Electronic device and clock control method thereof

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