JPS539175A - Electronic buzzer driving circuit for watches - Google Patents

Electronic buzzer driving circuit for watches

Info

Publication number
JPS539175A
JPS539175A JP8331676A JP8331676A JPS539175A JP S539175 A JPS539175 A JP S539175A JP 8331676 A JP8331676 A JP 8331676A JP 8331676 A JP8331676 A JP 8331676A JP S539175 A JPS539175 A JP S539175A
Authority
JP
Japan
Prior art keywords
watches
driving circuit
electronic buzzer
buzzer driving
electronic
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
JP8331676A
Other languages
Japanese (ja)
Inventor
Fumikazu Murakami
Shigeo Mori
Yoshiaki Hara
Ichiro Horikoshi
Muneya Takahashi
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 and Electronics Ltd
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 and Electronics Ltd filed Critical Seiko Instruments and Electronics Ltd
Priority to JP8331676A priority Critical patent/JPS539175A/en
Publication of JPS539175A publication Critical patent/JPS539175A/en
Pending legal-status Critical Current

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  • Electromechanical Clocks (AREA)

Abstract

PURPOSE: To improve efficiency, lower power consumption and enable pleasant tone color to be obtained by providing a self-oscillation circuit thereby driving an electronic buzzer near mechanical resonance point.
COPYRIGHT: (C)1978,JPO&Japio
JP8331676A 1976-07-13 1976-07-13 Electronic buzzer driving circuit for watches Pending JPS539175A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8331676A JPS539175A (en) 1976-07-13 1976-07-13 Electronic buzzer driving circuit for watches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8331676A JPS539175A (en) 1976-07-13 1976-07-13 Electronic buzzer driving circuit for watches

Publications (1)

Publication Number Publication Date
JPS539175A true JPS539175A (en) 1978-01-27

Family

ID=13799008

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8331676A Pending JPS539175A (en) 1976-07-13 1976-07-13 Electronic buzzer driving circuit for watches

Country Status (1)

Country Link
JP (1) JPS539175A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62502914A (en) * 1985-05-28 1987-11-19 レシテック、ソシエテ、アノニム Decontamination agents for contaminated metal or cement-containing materials, as well as their production and application methods
JPH01287229A (en) * 1988-05-12 1989-11-17 Tanaka Kikinzoku Kogyo Kk Method for recovering noble metal
CN104538012A (en) * 2014-12-18 2015-04-22 常州超音电子有限公司 Mechanical buzzer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4943670A (en) * 1972-08-31 1974-04-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4943670A (en) * 1972-08-31 1974-04-24

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62502914A (en) * 1985-05-28 1987-11-19 レシテック、ソシエテ、アノニム Decontamination agents for contaminated metal or cement-containing materials, as well as their production and application methods
JPH01287229A (en) * 1988-05-12 1989-11-17 Tanaka Kikinzoku Kogyo Kk Method for recovering noble metal
CN104538012A (en) * 2014-12-18 2015-04-22 常州超音电子有限公司 Mechanical buzzer

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