JPS59164323U - Amplifier volume control circuit - Google Patents

Amplifier volume control circuit

Info

Publication number
JPS59164323U
JPS59164323U JP5851283U JP5851283U JPS59164323U JP S59164323 U JPS59164323 U JP S59164323U JP 5851283 U JP5851283 U JP 5851283U JP 5851283 U JP5851283 U JP 5851283U JP S59164323 U JPS59164323 U JP S59164323U
Authority
JP
Japan
Prior art keywords
control
level
voltage
control circuit
volume control
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
JP5851283U
Other languages
Japanese (ja)
Inventor
徹 山本
司 西野
和則 久保
Original Assignee
日本コロムビア株式会社
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 日本コロムビア株式会社 filed Critical 日本コロムビア株式会社
Priority to JP5851283U priority Critical patent/JPS59164323U/en
Publication of JPS59164323U publication Critical patent/JPS59164323U/en
Pending legal-status Critical Current

Links

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • 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) [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図は従来の増幅器の音量制御回路の１例を示すブロ
ック図、第２図は第１図の説明に供する線図、第３図は
本考案の増幅器の音量制御回路の１実施例を示すブロッ
ク図、第４図は第３図の要部を示す結線図、第５図は本
考案の説明に供する線図である。FIG. 1 is a block diagram showing an example of a conventional volume control circuit for an amplifier, FIG. 2 is a diagram for explaining FIG. 1, and FIG. 3 is a block diagram showing an example of a volume control circuit for an amplifier according to the present invention. FIG. 4 is a wiring diagram showing the main parts of FIG. 3, and FIG. 5 is a diagram for explaining the present invention.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電圧制御増幅器と、該電圧制御増幅器に供給され入力信
号を検波する検波器と、該検波器の出力が第１及び第２
の所定レベルの範囲では第１及び第２の制御レベルの範
囲で変化すると共に、上記第１の所定レベル以下では上
記第１の制御レベルに固定し、上記第２の所定レベル以
上では上記第２の側御レベルに固定した側御電圧を発生
する制御電圧発生手段とを具備し、上記制御電圧を上記
電圧制御増幅器に供給するようにしたことを特徴とする
増幅器の音量制御回路。a voltage controlled amplifier; a detector supplied to the voltage controlled amplifier to detect an input signal;
In the range of the predetermined level, the control level changes between the first and second control levels, and below the first predetermined level, the control level is fixed at the first control level, and above the second predetermined level, the control level changes between the first and second control levels. and a control voltage generating means for generating a side control voltage fixed at a side control level, the control voltage being supplied to the voltage control amplifier.
JP5851283U 1983-04-19 1983-04-19 Amplifier volume control circuit Pending JPS59164323U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5851283U JPS59164323U (en) 1983-04-19 1983-04-19 Amplifier volume control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5851283U JPS59164323U (en) 1983-04-19 1983-04-19 Amplifier volume control circuit

Publications (1)

Publication Number Publication Date
JPS59164323U true JPS59164323U (en) 1984-11-05

Family

ID=30188793

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5851283U Pending JPS59164323U (en) 1983-04-19 1983-04-19 Amplifier volume control circuit

Country Status (1)

Country Link
JP (1) JPS59164323U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54118154A (en) * 1978-03-07 1979-09-13 Nec Corp Signal amplitude compander featuring polygonal line characteristics

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54118154A (en) * 1978-03-07 1979-09-13 Nec Corp Signal amplitude compander featuring polygonal line characteristics

Similar Documents

Publication Publication Date Title
JPS59164323U (en) Amplifier volume control circuit
JPS58186608U (en) oscillation circuit
JPS5840925U (en) gain control circuit
JPS6059628U (en) signal input device
JPS60127100U (en) Sound addition device
JPS6093163U (en) Dropout compensation circuit
JPS5891173U (en) Peak level detection circuit
JPS59189317U (en) current amplifier
JPS59189335U (en) Auto clear circuit
JPS591235U (en) signal input circuit
JPS6045518U (en) automatic level control circuit
JPS6129523U (en) Muting circuit for acoustic transmission system
JPS5979533U (en) Electronic control method for fuel injection
JPS5936011U (en) High-speed dubbing device using a graphic equalizer
JPS5974512U (en) recording level adjuster
JPS60108000U (en) voice response device
JPS617174U (en) Dropout compensation circuit
JPS6095609U (en) control circuit device
JPS60193752U (en) Contour correction circuit
JPS6128151U (en) Automatic level control circuit for recording equipment
JPS58149100U (en) automatic voltage regulator
JPS60123002U (en) Function selection circuit
JPS6147515U (en) amplifier
JPS59149800U (en) sound field expansion device
JPS5811332U (en) Waveform shaping circuit