JPH043500U - - Google Patents

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Publication number
JPH043500U
JPH043500U JP4426390U JP4426390U JPH043500U JP H043500 U JPH043500 U JP H043500U JP 4426390 U JP4426390 U JP 4426390U JP 4426390 U JP4426390 U JP 4426390U JP H043500 U JPH043500 U JP H043500U
Authority
JP
Japan
Prior art keywords
buzzer
piezoelectric buzzer
piezoelectric
stop switch
parallel
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
JP4426390U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP4426390U priority Critical patent/JPH043500U/ja
Publication of JPH043500U publication Critical patent/JPH043500U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案における実施例の回路ブロツク
図。第２図は実施例の断面図。第３図は先行例を
示す回路ブロツク図である。 １……ブザー駆動用ＩＣ、２……ブザー駆動用
トランジスタ、３……ブザースイツチ、４……圧
電ブザー、５……抵抗、６……電池、７……ブザ
ーボタン、８……回路ブロツク、９……裏ブタ固
定ねじ、１０……外装ケース、１１……復帰ばね
、１２……ブザー鳴鐘停止用スイツチ、１３……
昇圧コイル、１′……ブザー駆動用ＩＣ（先行例
）、２′……ブザー駆動用トランジスタ（先行例
）、３′……鳴鐘停止用スイツチ（先行例）。 FIG. 1 is a circuit block diagram of an embodiment of the present invention. FIG. 2 is a sectional view of the embodiment. FIG. 3 is a circuit block diagram showing a prior example. DESCRIPTION OF SYMBOLS 1... IC for buzzer drive, 2... Transistor for buzzer drive, 3... Buzzer switch, 4... Piezoelectric buzzer, 5... Resistor, 6... Battery, 7... Buzzer button, 8... Circuit block, 9... Back cover fixing screw, 10... Exterior case, 11... Return spring, 12... Buzzer stop switch, 13...
Boost coil, 1'... IC for driving a buzzer (preceding example), 2'... Transistor for driving a buzzer (preceding example), 3'... Switch for stopping ringing (preceding example).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 圧電ブザー、前記圧電ブザーの一方の電極側に
接続されたブザー駆動用トランジスタ、ブザー鳴
鐘停止用スイツチ、前記ブザー鳴鐘停止用スイツ
チを介して前記圧電ブザーと並列に接続された昇
圧コイルよりなり、前記圧電ブザーと並列に抵抗
を接続したことを特徴とする圧電ブザーの駆動回
路。 A piezoelectric buzzer, a buzzer driving transistor connected to one electrode side of the piezoelectric buzzer, a buzzer stop switch, and a boost coil connected in parallel to the piezoelectric buzzer via the buzzer stop switch. , A piezoelectric buzzer drive circuit characterized in that a resistor is connected in parallel with the piezoelectric buzzer.
JP4426390U 1990-04-25 1990-04-25 Pending JPH043500U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4426390U JPH043500U (en) 1990-04-25 1990-04-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4426390U JPH043500U (en) 1990-04-25 1990-04-25

Publications (1)

Publication Number Publication Date
JPH043500U true JPH043500U (en) 1992-01-13

Family

ID=31557403

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4426390U Pending JPH043500U (en) 1990-04-25 1990-04-25

Country Status (1)

Country Link
JP (1) JPH043500U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014209092A (en) * 2013-03-27 2014-11-06 セイコーインスツル株式会社 Electronic apparatus and impact detection method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014209092A (en) * 2013-03-27 2014-11-06 セイコーインスツル株式会社 Electronic apparatus and impact detection method

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