JPS5834413U - volume control circuit - Google Patents

volume control circuit

Info

Publication number
JPS5834413U
JPS5834413U JP12802081U JP12802081U JPS5834413U JP S5834413 U JPS5834413 U JP S5834413U JP 12802081 U JP12802081 U JP 12802081U JP 12802081 U JP12802081 U JP 12802081U JP S5834413 U JPS5834413 U JP S5834413U
Authority
JP
Japan
Prior art keywords
control circuit
volume control
counter
numerical value
initial value
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
JP12802081U
Other languages
Japanese (ja)
Inventor
綿貫　清司
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP12802081U priority Critical patent/JPS5834413U/en
Publication of JPS5834413U publication Critical patent/JPS5834413U/en
Pending legal-status Critical Current

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  • Control Of Amplification And Gain Control (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 the drawing]

第１図は、従来の可変抵抗器を用いた音量制御回路のブ
ロック図、第２図Ａは、従来の音量をタッチスイッチで
制御する音量制御回路のブロック図、第２図Ｂは、その
動作説明図、第３図Ａは、本考案の一実施例による音量
をタッチスイッチで制御する音量制御回路のブロック図
、同図Ｂはその動作説明図、第４図は本考案による音量
制御回路の具体的な一実施例を示すブロック図、第５図
はその動作説明図である。Figure 1 is a block diagram of a conventional volume control circuit using a variable resistor, Figure 2A is a block diagram of a conventional volume control circuit that controls volume with a touch switch, and Figure 2B is its operation. 3A is a block diagram of a volume control circuit that controls the volume with a touch switch according to an embodiment of the present invention, FIG. 3B is an explanatory diagram of its operation, and FIG. 4 is a block diagram of a volume control circuit according to the present invention A block diagram showing a specific embodiment, and FIG. 5 is an explanatory diagram of its operation.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] カウンタと、電源スィッチの投入より前記カウンタの数
値を予じめ定められた初期値に設定する手段と、前記カ
ウンタのその後の数値を前記初期値に加算もしくは減算
して得る手段と、前記カウンタの数値に応じて音量を制
御する手段と、前記設定された初期値を複数の値から選
択して与える手段とを備える音量制御回路。a counter; means for setting the numerical value of the counter to a predetermined initial value upon turning on a power switch; means for obtaining a subsequent numerical value of the counter by adding or subtracting it from the initial value; A volume control circuit comprising: means for controlling a volume according to a numerical value; and means for selecting and providing the set initial value from a plurality of values.
JP12802081U 1981-08-31 1981-08-31 volume control circuit Pending JPS5834413U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12802081U JPS5834413U (en) 1981-08-31 1981-08-31 volume control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12802081U JPS5834413U (en) 1981-08-31 1981-08-31 volume control circuit

Publications (1)

Publication Number Publication Date
JPS5834413U true JPS5834413U (en) 1983-03-05

Family

ID=29921733

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12802081U Pending JPS5834413U (en) 1981-08-31 1981-08-31 volume control circuit

Country Status (1)

Country Link
JP (1) JPS5834413U (en)

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