JPS5355077A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS5355077A
JPS5355077A JP12978476A JP12978476A JPS5355077A JP S5355077 A JPS5355077 A JP S5355077A JP 12978476 A JP12978476 A JP 12978476A JP 12978476 A JP12978476 A JP 12978476A JP S5355077 A JPS5355077 A JP S5355077A
Authority
JP
Japan
Prior art keywords
electronic watch
bettery
photodetectors
letting
calculator
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
JP12978476A
Other languages
Japanese (ja)
Inventor
Toshiaki Ogata
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 JP12978476A priority Critical patent/JPS5355077A/en
Publication of JPS5355077A publication Critical patent/JPS5355077A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G04C10/02—Arrangements of electric power supplies in time pieces the power supply being a radioactive or photovoltaic source

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Calculators And Similar Devices (AREA)

Abstract

PURPOSE:To achieve the longer life of a power supply bettery with a simple constitution by letting the input mechanisms of a calculator also serve as the photodetectors of solar batteries in an electronic watch provided with calculation functions.
JP12978476A 1976-10-28 1976-10-28 Electronic watch Pending JPS5355077A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12978476A JPS5355077A (en) 1976-10-28 1976-10-28 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12978476A JPS5355077A (en) 1976-10-28 1976-10-28 Electronic watch

Publications (1)

Publication Number Publication Date
JPS5355077A true JPS5355077A (en) 1978-05-19

Family

ID=15018129

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12978476A Pending JPS5355077A (en) 1976-10-28 1976-10-28 Electronic watch

Country Status (1)

Country Link
JP (1) JPS5355077A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5965338A (en) * 1982-10-05 1984-04-13 Matsushita Electric Ind Co Ltd Keyboard input device
JPS59154562A (en) * 1983-02-24 1984-09-03 Canon Inc Electronic equipment with solar battery
JPS6041161A (en) * 1983-08-17 1985-03-04 Canon Inc Electronic instrument system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5965338A (en) * 1982-10-05 1984-04-13 Matsushita Electric Ind Co Ltd Keyboard input device
JPS6322328B2 (en) * 1982-10-05 1988-05-11 Matsushita Electric Ind Co Ltd
JPS59154562A (en) * 1983-02-24 1984-09-03 Canon Inc Electronic equipment with solar battery
JPH0551941B2 (en) * 1983-02-24 1993-08-04 Canon Kk
JPS6041161A (en) * 1983-08-17 1985-03-04 Canon Inc Electronic instrument system
JPH0519741B2 (en) * 1983-08-17 1993-03-17 Canon Kk

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