JPS6025105Y2 - 圧電型ブザ−駆動回路 - Google Patents

圧電型ブザ−駆動回路

Info

Publication number
JPS6025105Y2
JPS6025105Y2 JP1732779U JP1732779U JPS6025105Y2 JP S6025105 Y2 JPS6025105 Y2 JP S6025105Y2 JP 1732779 U JP1732779 U JP 1732779U JP 1732779 U JP1732779 U JP 1732779U JP S6025105 Y2 JPS6025105 Y2 JP S6025105Y2
Authority
JP
Japan
Prior art keywords
piezoelectric buzzer
transistor
battery
drive circuit
diode
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.)
Expired
Application number
JP1732779U
Other languages
English (en)
Japanese (ja)
Other versions
JPS55118298U (https=
Inventor
進 藤田
茂夫 森
文和 村上
良昭 原
一郎 堀越
Original Assignee
セイコーインスツルメンツ株式会社
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 セイコーインスツルメンツ株式会社 filed Critical セイコーインスツルメンツ株式会社
Priority to JP1732779U priority Critical patent/JPS6025105Y2/ja
Publication of JPS55118298U publication Critical patent/JPS55118298U/ja
Application granted granted Critical
Publication of JPS6025105Y2 publication Critical patent/JPS6025105Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Dc-Dc Converters (AREA)
JP1732779U 1979-02-14 1979-02-14 圧電型ブザ−駆動回路 Expired JPS6025105Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1732779U JPS6025105Y2 (ja) 1979-02-14 1979-02-14 圧電型ブザ−駆動回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1732779U JPS6025105Y2 (ja) 1979-02-14 1979-02-14 圧電型ブザ−駆動回路

Publications (2)

Publication Number Publication Date
JPS55118298U JPS55118298U (https=) 1980-08-21
JPS6025105Y2 true JPS6025105Y2 (ja) 1985-07-27

Family

ID=28842503

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1732779U Expired JPS6025105Y2 (ja) 1979-02-14 1979-02-14 圧電型ブザ−駆動回路

Country Status (1)

Country Link
JP (1) JPS6025105Y2 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5774794A (en) * 1980-10-29 1982-05-11 Suwa Seikosha Kk Piezoelectric speaker driving circuit for electronic timepiece

Also Published As

Publication number Publication date
JPS55118298U (https=) 1980-08-21

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