JPS5235670A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS5235670A
JPS5235670A JP11182275A JP11182275A JPS5235670A JP S5235670 A JPS5235670 A JP S5235670A JP 11182275 A JP11182275 A JP 11182275A JP 11182275 A JP11182275 A JP 11182275A JP S5235670 A JPS5235670 A JP S5235670A
Authority
JP
Japan
Prior art keywords
electronic watch
voltage
battery voltage
detects
charging
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
JP11182275A
Other languages
Japanese (ja)
Inventor
Masaaki Kamiya
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 Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP11182275A priority Critical patent/JPS5235670A/en
Publication of JPS5235670A publication Critical patent/JPS5235670A/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
    • G04C10/04—Arrangements of electric power supplies in time pieces with means for indicating the condition of the power supply

Abstract

PURPOSE:To provide a battery voltage detection circuit which detects battery voltage and accurately detects the decrease in battery voltage, by measuring the time when the charging and discharging voltage of a capacitor reaches preset voltage.
JP11182275A 1975-09-16 1975-09-16 Electronic watch Pending JPS5235670A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11182275A JPS5235670A (en) 1975-09-16 1975-09-16 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11182275A JPS5235670A (en) 1975-09-16 1975-09-16 Electronic watch

Publications (1)

Publication Number Publication Date
JPS5235670A true JPS5235670A (en) 1977-03-18

Family

ID=14571018

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11182275A Pending JPS5235670A (en) 1975-09-16 1975-09-16 Electronic watch

Country Status (1)

Country Link
JP (1) JPS5235670A (en)

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