JPS548998A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS548998A
JPS548998A JP7473377A JP7473377A JPS548998A JP S548998 A JPS548998 A JP S548998A JP 7473377 A JP7473377 A JP 7473377A JP 7473377 A JP7473377 A JP 7473377A JP S548998 A JPS548998 A JP S548998A
Authority
JP
Japan
Prior art keywords
electronic watch
substance
battery
radioactive
electrode substance
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
JP7473377A
Other languages
Japanese (ja)
Inventor
Katsuhiro Teraishi
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 JP7473377A priority Critical patent/JPS548998A/en
Publication of JPS548998A publication Critical patent/JPS548998A/en
Pending legal-status Critical Current

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  • Electromechanical Clocks (AREA)

Abstract

PURPOSE: To eliminate the need for replacing a battery by realizing an electronic watch with a long-life battery, obtained by hermetically sealing two kinds of an electrode substance and radioactive isotope and by ionizing gas in a space touching the electrode substance by a radioactive substance.
COPYRIGHT: (C)1979,JPO&Japio
JP7473377A 1977-06-23 1977-06-23 Electronic watch Pending JPS548998A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7473377A JPS548998A (en) 1977-06-23 1977-06-23 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7473377A JPS548998A (en) 1977-06-23 1977-06-23 Electronic watch

Publications (1)

Publication Number Publication Date
JPS548998A true JPS548998A (en) 1979-01-23

Family

ID=13555718

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7473377A Pending JPS548998A (en) 1977-06-23 1977-06-23 Electronic watch

Country Status (1)

Country Link
JP (1) JPS548998A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103377742A (en) * 2012-04-24 2013-10-30 超科技公司 Betavoltaic power sources for mobile device applications

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103377742A (en) * 2012-04-24 2013-10-30 超科技公司 Betavoltaic power sources for mobile device applications
JP2013238585A (en) * 2012-04-24 2013-11-28 Ultratech Inc Betavoltaic power sources for use in mobile device

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