JPS5927614U - volume adjustment circuit - Google Patents

volume adjustment circuit

Info

Publication number
JPS5927614U
JPS5927614U JP12366482U JP12366482U JPS5927614U JP S5927614 U JPS5927614 U JP S5927614U JP 12366482 U JP12366482 U JP 12366482U JP 12366482 U JP12366482 U JP 12366482U JP S5927614 U JPS5927614 U JP S5927614U
Authority
JP
Japan
Prior art keywords
circuit
volume adjustment
adjustment circuit
variable resistor
setting
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
JP12366482U
Other languages
Japanese (ja)
Inventor
隆 佐藤
Original Assignee
パイオニア株式会社
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 パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP12366482U priority Critical patent/JPS5927614U/en
Publication of JPS5927614U publication Critical patent/JPS5927614U/en
Pending legal-status Critical Current

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Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は本考案の一実施例を示すブロック図、第２図は
可変抵抗器の回転角とスイッチとの関係　　　　　　“
を示す特性図である。 ■Ｒ・・・可変抵抗器、ＳＷ・・・スイッチ、ＦＦ・・
・フリップフロップ、Ｑ□およびＱ２・・・トランジス
タ、Ａ・・・判別回路。Figure 1 is a block diagram showing an embodiment of the present invention, and Figure 2 is the relationship between the rotation angle of the variable resistor and the switch.
FIG. ■R...variable resistor, SW...switch, FF...
- Flip-flop, Q□ and Q2...transistor, A...discrimination circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 可変抵抗器の抵抗値により音量調整をされる音量調整回
路において、前記可変抵抗器の抵抗値設定つまみの回転
角が所定角以上に設定されていることを検出する検出手
段と、電源回路に接続された時定数回路と、音量を初期
値に設定する設定手段と、前記時定数回路により定まる
期間中における前記検出手段の出力信号状態を判別して
可変抵抗器に代って前記設定手段を選択することを判別
する判別回路とを備えてなることを特徴とする音量調整
回路。In a volume adjustment circuit that adjusts the volume based on the resistance value of a variable resistor, a detection means for detecting that a rotation angle of a resistance value setting knob of the variable resistor is set to a predetermined angle or more, and a power supply circuit are connected. a time constant circuit, a setting means for setting the volume to an initial value, and a state of an output signal of the detection means during a period determined by the time constant circuit, and selecting the setting means in place of the variable resistor. 1. A volume adjustment circuit comprising: a discrimination circuit for discriminating whether the
JP12366482U 1982-08-17 1982-08-17 volume adjustment circuit Pending JPS5927614U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12366482U JPS5927614U (en) 1982-08-17 1982-08-17 volume adjustment circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12366482U JPS5927614U (en) 1982-08-17 1982-08-17 volume adjustment circuit

Publications (1)

Publication Number Publication Date
JPS5927614U true JPS5927614U (en) 1984-02-21

Family

ID=30282204

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12366482U Pending JPS5927614U (en) 1982-08-17 1982-08-17 volume adjustment circuit

Country Status (1)

Country Link
JP (1) JPS5927614U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6157624U (en) * 1984-09-17 1986-04-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6157624U (en) * 1984-09-17 1986-04-18

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