JPS5384766A - Alarm electronic watch - Google Patents

Alarm electronic watch

Info

Publication number
JPS5384766A
JPS5384766A JP16046376A JP16046376A JPS5384766A JP S5384766 A JPS5384766 A JP S5384766A JP 16046376 A JP16046376 A JP 16046376A JP 16046376 A JP16046376 A JP 16046376A JP S5384766 A JPS5384766 A JP S5384766A
Authority
JP
Japan
Prior art keywords
electronic watch
alarm electronic
change
internal resistance
battery
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
JP16046376A
Other languages
Japanese (ja)
Inventor
Yoshiaki Hara
Junichi Tabata
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 JP16046376A priority Critical patent/JPS5384766A/en
Publication of JPS5384766A publication Critical patent/JPS5384766A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G13/00—Producing acoustic time signals
    • G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks

Landscapes

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

Abstract

PURPOSE:To reduce the change of current flowing in a buzzer even if the internal resistance of a battery changes and hold a constant sound pressure by detecting the change of the internal resistance of the battery and changing the resistance value of a load circuit from said detection value.
JP16046376A 1976-12-29 1976-12-29 Alarm electronic watch Pending JPS5384766A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16046376A JPS5384766A (en) 1976-12-29 1976-12-29 Alarm electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16046376A JPS5384766A (en) 1976-12-29 1976-12-29 Alarm electronic watch

Publications (1)

Publication Number Publication Date
JPS5384766A true JPS5384766A (en) 1978-07-26

Family

ID=15715476

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16046376A Pending JPS5384766A (en) 1976-12-29 1976-12-29 Alarm electronic watch

Country Status (1)

Country Link
JP (1) JPS5384766A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4487099A (en) * 1982-07-30 1984-12-11 Citizen Watch Company Limited Electro-acoustic transducer drive circuit for producing damped waveform envelope musical notes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4487099A (en) * 1982-07-30 1984-12-11 Citizen Watch Company Limited Electro-acoustic transducer drive circuit for producing damped waveform envelope musical notes

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