JPS60193710U - volume control circuit - Google Patents

volume control circuit

Info

Publication number
JPS60193710U
JPS60193710U JP8055084U JP8055084U JPS60193710U JP S60193710 U JPS60193710 U JP S60193710U JP 8055084 U JP8055084 U JP 8055084U JP 8055084 U JP8055084 U JP 8055084U JP S60193710 U JPS60193710 U JP S60193710U
Authority
JP
Japan
Prior art keywords
control circuit
volume control
volume
attenuator
abstract
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.)
Granted
Application number
JP8055084U
Other languages
Japanese (ja)
Other versions
JPH0321061Y2 (en
Inventor
栗岡　幸夫
信好 立石
大庭　啓孝
三宅　博明
Original Assignee
富士通テン株式会社
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 富士通テン株式会社 filed Critical 富士通テン株式会社
Priority to JP8055084U priority Critical patent/JPS60193710U/en
Publication of JPS60193710U publication Critical patent/JPS60193710U/en
Application granted granted Critical
Publication of JPH0321061Y2 publication Critical patent/JPH0321061Y2/ja
Granted legal-status Critical Current

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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) [Abstract] 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図は本考案の実施例を示す回路図、第２図は電子ボ
リウムの一部の変形例を示す回路図である。 図面で、ＥＶは電子式音量調節器、Ａ’ＩＴは減衰器、
Ｓ３は音量増加用スイッチミＱ３は該スイッチの操作を
無効にするトランジスタである。FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG. 2 is a circuit diagram showing a partial modification of the electronic volume. In the drawing, EV is an electronic volume controller, A'IT is an attenuator,
S3 is a volume increase switch, and Q3 is a transistor for disabling the operation of the switch.

Claims (1)

【実用新案登録請求の範囲】 電子式音量調節器と予め定めた減衰量を持つ減衰器とか
らなる音響機器の音量調節回路において、 該減衰器が動作中の間は電子式音量調節器の音量増加操
作を無効にする回路を設けたことを特徴とする音量調節
回路。[Scope of Claim for Utility Model Registration] In a volume control circuit for an audio device consisting of an electronic volume controller and an attenuator having a predetermined amount of attenuation, the volume increase operation of the electronic volume controller is performed while the attenuator is in operation. A volume control circuit characterized by having a circuit for disabling the.
JP8055084U 1984-05-31 1984-05-31 volume control circuit Granted JPS60193710U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8055084U JPS60193710U (en) 1984-05-31 1984-05-31 volume control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8055084U JPS60193710U (en) 1984-05-31 1984-05-31 volume control circuit

Publications (2)

Publication Number Publication Date
JPS60193710U true JPS60193710U (en) 1985-12-23
JPH0321061Y2 JPH0321061Y2 (en) 1991-05-08

Family

ID=30626503

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8055084U Granted JPS60193710U (en) 1984-05-31 1984-05-31 volume control circuit

Country Status (1)

Country Link
JP (1) JPS60193710U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5283150A (en) * 1975-12-31 1977-07-11 Matsushita Electric Ind Co Ltd Sound volume adjusting device
JPS5868712U (en) * 1981-11-02 1983-05-10 ヤマハ株式会社 Muting device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5283150A (en) * 1975-12-31 1977-07-11 Matsushita Electric Ind Co Ltd Sound volume adjusting device
JPS5868712U (en) * 1981-11-02 1983-05-10 ヤマハ株式会社 Muting device

Also Published As

Publication number Publication date
JPH0321061Y2 (en) 1991-05-08

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