JPS59195821U - volume adjustment device - Google Patents

volume adjustment device

Info

Publication number
JPS59195821U
JPS59195821U JP9089283U JP9089283U JPS59195821U JP S59195821 U JPS59195821 U JP S59195821U JP 9089283 U JP9089283 U JP 9089283U JP 9089283 U JP9089283 U JP 9089283U JP S59195821 U JPS59195821 U JP S59195821U
Authority
JP
Japan
Prior art keywords
adjustment device
volume adjustment
switch means
signal level
varying
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
JP9089283U
Other languages
Japanese (ja)
Inventor
塩谷　孝之
Original Assignee
ナカミチ株式会社
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 ナカミチ株式会社 filed Critical ナカミチ株式会社
Priority to JP9089283U priority Critical patent/JPS59195821U/en
Publication of JPS59195821U publication Critical patent/JPS59195821U/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図は音量調整装置の操作スイッチ部６を示し、 Ｓｏ〜Ｓ、・・・ノンロック式の選択スイッチ、Ｓａ。 ｓｂ・・・ノンロック式の微調スイッチ。 第２図、第３図は本考案の回路例を示し、Ｒ・・・抵抗
、Ｒ１−Ｒ４・・・抵抗、Ｒ’　１〜Ｒ’５・・・抵抗
、−８ｏ〜Ｓ５・・・アナログスイッチ、８．１１・・
・バッファアンプ、９，１２・・・抵抗選択回路、１０
・・・可変抵抗素子、１５・・・制御回路、６・・・操
作スイッチ部、１４・・・選択制御回路。 第４図は各選択スイッチが押されたときの出力信号のレ
ベル可変範囲を示す。FIG. 1 shows the operation switch section 6 of the volume adjustment device, including So to S, . . . non-locking selection switches, and Sa. sb...Non-lock fine adjustment switch. Figures 2 and 3 show circuit examples of the present invention, R...Resistor, R1-R4...Resistor, R'1~R'5...Resistor, -8o~S5...Analog Switch, 8.11...
・Buffer amplifier, 9, 12...Resistance selection circuit, 10
... variable resistance element, 15 ... control circuit, 6 ... operation switch section, 14 ... selection control circuit. FIG. 4 shows the level variable range of the output signal when each selection switch is pressed.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 信号レベルの分圧比を予め設定された複数の分圧比の中
から選択するための第一のスイッチ手段と、分圧された
信号レベルを所定のレベル範囲に亘り可変する第二のス
イッチ手段とを備えた音量調整装置。A first switch means for selecting a signal level division ratio from among a plurality of preset voltage division ratios, and a second switch means for varying the divided signal level over a predetermined level range. Equipped with a volume adjustment device.
JP9089283U 1983-06-14 1983-06-14 volume adjustment device Pending JPS59195821U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9089283U JPS59195821U (en) 1983-06-14 1983-06-14 volume adjustment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9089283U JPS59195821U (en) 1983-06-14 1983-06-14 volume adjustment device

Publications (1)

Publication Number Publication Date
JPS59195821U true JPS59195821U (en) 1984-12-26

Family

ID=30220855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9089283U Pending JPS59195821U (en) 1983-06-14 1983-06-14 volume adjustment device

Country Status (1)

Country Link
JP (1) JPS59195821U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54144854A (en) * 1978-05-04 1979-11-12 Matsushita Electric Ind Co Ltd Controller for signal amount

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54144854A (en) * 1978-05-04 1979-11-12 Matsushita Electric Ind Co Ltd Controller for signal amount

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