JPS63166000U - - Google Patents

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Publication number
JPS63166000U
JPS63166000U JP5709287U JP5709287U JPS63166000U JP S63166000 U JPS63166000 U JP S63166000U JP 5709287 U JP5709287 U JP 5709287U JP 5709287 U JP5709287 U JP 5709287U JP S63166000 U JPS63166000 U JP S63166000U
Authority
JP
Japan
Prior art keywords
volume level
amplification system
signal processing
amplifier
processing circuit
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
JP5709287U
Other languages
Japanese (ja)
Other versions
JPH0718240Y2 (en
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 filed Critical
Priority to JP1987057092U priority Critical patent/JPH0718240Y2/en
Publication of JPS63166000U publication Critical patent/JPS63166000U/ja
Application granted granted Critical
Publication of JPH0718240Y2 publication Critical patent/JPH0718240Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Control Of Amplification And Gain Control (AREA)

Description

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

第1図はこの考案の増幅器の一実施例にかかる
電気回路を示す図、第2図はリアー側、フロント
側のボリユウムの減衰特性曲線を示す図、第3図
は、従来のサラウンド回路の電気回路の構成を示
す図、第4図は、従来のサラウンド回路に用いら
れているリアー側、フロント側のボリユウムにお
ける減衰特性を示す図である。 2……フロント側ボリユウム、3……フロント
アンプ、4……フロントスピーカ、6……フロン
ト側ボリユウム、7……フロントアンプ、8……
フロントスピーカ、9……サラウンドマトリクス
回路、10……リアー側ボリユウム、11……リ
アーアンプ、12……リアスピーカ、13……リ
アー側ボリユウム、14……リアーアンプ、15
……リアースピーカ。
Fig. 1 is a diagram showing an electric circuit according to an embodiment of the amplifier of this invention, Fig. 2 is a diagram showing attenuation characteristic curves of the rear and front side volumes, and Fig. 3 is a diagram showing the electrical circuit of a conventional surround circuit. FIG. 4, which is a diagram showing the configuration of the circuit, is a diagram showing the attenuation characteristics of the rear side and front side volumes used in the conventional surround circuit. 2...Front side volume, 3...Front amplifier, 4...Front speaker, 6...Front side volume, 7...Front amplifier, 8...
Front speaker, 9... Surround matrix circuit, 10... Rear side volume, 11... Rear amplifier, 12... Rear speaker, 13... Rear side volume, 14... Rear amplifier, 15
...Rear speaker.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 入力信号を増幅する第1の増幅系統と、前記入
力信号に所定の信号処理を施す信号処理回路と、
この信号処理回路の出力を増幅する第2の増幅系
統と、これら第1、第2の増幅系統の各入力側に
介挿され、かつ互いに連動して操作される音量レ
ベル調整手段とを具備してなる増幅器において、
前記音量レベル調整手段は、前記第1の増幅系統
に対する音量レベル減衰特性より前記第2の増幅
系統に対する音量レベル減衰特性が緩やかとなる
ように設定されていることを特徴とする増幅器。
a first amplification system that amplifies an input signal; a signal processing circuit that performs predetermined signal processing on the input signal;
It is equipped with a second amplification system for amplifying the output of the signal processing circuit, and a volume level adjustment means inserted into each input side of the first and second amplification systems and operated in conjunction with each other. In the amplifier that
The amplifier characterized in that the volume level adjusting means is set so that the volume level attenuation characteristic for the second amplification system is gentler than the volume level attenuation characteristic for the first amplification system.
JP1987057092U 1987-04-15 1987-04-15 amplifier Expired - Lifetime JPH0718240Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987057092U JPH0718240Y2 (en) 1987-04-15 1987-04-15 amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987057092U JPH0718240Y2 (en) 1987-04-15 1987-04-15 amplifier

Publications (2)

Publication Number Publication Date
JPS63166000U true JPS63166000U (en) 1988-10-28
JPH0718240Y2 JPH0718240Y2 (en) 1995-04-26

Family

ID=30886483

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987057092U Expired - Lifetime JPH0718240Y2 (en) 1987-04-15 1987-04-15 amplifier

Country Status (1)

Country Link
JP (1) JPH0718240Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60230800A (en) * 1984-04-28 1985-11-16 Fujitsu Ten Ltd On-vehicle speaker system
JPS61187200U (en) * 1985-05-14 1986-11-21

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60230800A (en) * 1984-04-28 1985-11-16 Fujitsu Ten Ltd On-vehicle speaker system
JPS61187200U (en) * 1985-05-14 1986-11-21

Also Published As

Publication number Publication date
JPH0718240Y2 (en) 1995-04-26

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