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JPS5374071A - Electronic wristwatch - Google Patents

Electronic wristwatch

Info

Publication number
JPS5374071A
JPS5374071A JP15009076A JP15009076A JPS5374071A JP S5374071 A JPS5374071 A JP S5374071A JP 15009076 A JP15009076 A JP 15009076A JP 15009076 A JP15009076 A JP 15009076A JP S5374071 A JPS5374071 A JP S5374071A
Authority
JP
Japan
Prior art keywords
electronic wristwatch
photo cells
converting
secondary battery
human body
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
JP15009076A
Other languages
Japanese (ja)
Inventor
Mitsuaki Maruyama
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 JP15009076A priority Critical patent/JPS5374071A/en
Publication of JPS5374071A publication Critical patent/JPS5374071A/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)
  • Electromechanical Clocks (AREA)
  • Photovoltaic Devices (AREA)

Abstract

PURPOSE:To achieve the permanent life of a driving energy source of an electronic wristwatch by providing photo cells of converting infrared rays radiated from human body to electric energy and a secondary battery converting the electromotive force of said photo cells.
JP15009076A 1976-12-14 1976-12-14 Electronic wristwatch Pending JPS5374071A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15009076A JPS5374071A (en) 1976-12-14 1976-12-14 Electronic wristwatch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15009076A JPS5374071A (en) 1976-12-14 1976-12-14 Electronic wristwatch

Publications (1)

Publication Number Publication Date
JPS5374071A true JPS5374071A (en) 1978-07-01

Family

ID=15489282

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15009076A Pending JPS5374071A (en) 1976-12-14 1976-12-14 Electronic wristwatch

Country Status (1)

Country Link
JP (1) JPS5374071A (en)

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Legal Events

Date Code Title Description
FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 12

Free format text: PAYMENT UNTIL: 20080808

LAPS Cancellation because of no payment of annual fees