JPH0335600U - - Google Patents

Info

Publication number
JPH0335600U
JPH0335600U JP9632289U JP9632289U JPH0335600U JP H0335600 U JPH0335600 U JP H0335600U JP 9632289 U JP9632289 U JP 9632289U JP 9632289 U JP9632289 U JP 9632289U JP H0335600 U JPH0335600 U JP H0335600U
Authority
JP
Japan
Prior art keywords
sound generator
volume
control circuit
adjusts
variable resistor
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
JP9632289U
Other languages
English (en)
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 JP9632289U priority Critical patent/JPH0335600U/ja
Publication of JPH0335600U publication Critical patent/JPH0335600U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Electromechanical Clocks (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Alarm Systems (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係るブザーを用いた音量制御
回路の構成を示す図、第2図は従来のブザーを用
いた音量制御回路の構成を示す図である。 図中、1……ブザー、2……駆動用トランジス
タ、3……音量調整用可変抵抗器、4……AND
ゲート、5……振動用発振回路、7……ORゲー
ト、8……フリツプフロツプ、9……フリツプフ
ロツプ、10……インバータ、11……トランジ
スタ。

Claims (1)

  1. 【実用新案登録請求の範囲】 音発生器及び該音発生器に供給する電流を制御
    し該音発生器から発する音量を調整する可変抵抗
    器を具備する音発生器の音量制御回路において、 所定の条件により前記音量を調整する可変抵抗
    器をバイパスして音量調整を無効とし、前記音発
    生器に所定の電流を供給する回路を設けたことを
    特徴とする音発生器の音量制御回路。
JP9632289U 1989-08-17 1989-08-17 Pending JPH0335600U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9632289U JPH0335600U (ja) 1989-08-17 1989-08-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9632289U JPH0335600U (ja) 1989-08-17 1989-08-17

Publications (1)

Publication Number Publication Date
JPH0335600U true JPH0335600U (ja) 1991-04-08

Family

ID=31645534

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9632289U Pending JPH0335600U (ja) 1989-08-17 1989-08-17

Country Status (1)

Country Link
JP (1) JPH0335600U (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001060834A (ja) * 1999-06-18 2001-03-06 Matsushita Electric Ind Co Ltd 発音器音量調整装置
JP2008045582A (ja) * 2006-08-11 2008-02-28 Maezawa Kyuso Industries Co Ltd 分水覆着継手
JP2008157353A (ja) * 2006-12-22 2008-07-10 Meiritsu:Kk 水道管の穿孔部の水密閉孔方法及び閉孔部材と水密閉孔具ユニット並びに水密閉孔構造

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5552198A (en) * 1978-10-11 1980-04-16 Nippon Electric Co Audio alarm unit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5552198A (en) * 1978-10-11 1980-04-16 Nippon Electric Co Audio alarm unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001060834A (ja) * 1999-06-18 2001-03-06 Matsushita Electric Ind Co Ltd 発音器音量調整装置
JP2008045582A (ja) * 2006-08-11 2008-02-28 Maezawa Kyuso Industries Co Ltd 分水覆着継手
JP4537359B2 (ja) * 2006-08-11 2010-09-01 前澤給装工業株式会社 分水覆着継手
JP2008157353A (ja) * 2006-12-22 2008-07-10 Meiritsu:Kk 水道管の穿孔部の水密閉孔方法及び閉孔部材と水密閉孔具ユニット並びに水密閉孔構造

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