JPS63166000U - - Google Patents
Info
- 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
Links
- 230000003321 amplification Effects 0.000 claims 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims 5
- 238000010586 diagram Methods 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 1
Landscapes
- Control Of Amplification And Gain Control (AREA)
Description
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)
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.
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)
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 |
-
1987
- 1987-04-15 JP JP1987057092U patent/JPH0718240Y2/en not_active Expired - Lifetime
Patent Citations (2)
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS63166000U (en) | ||
JPS61187200U (en) | ||
JPH0251500U (en) | ||
JPS647469U (en) | ||
JPH0734532Y2 (en) | Audio equipment | |
JPS645599U (en) | ||
JPH0485814U (en) | ||
JPS61195693U (en) | ||
JPS6381516U (en) | ||
JPH0359796U (en) | ||
JPH0170443U (en) | ||
JPS6428093U (en) | ||
JPH0186732U (en) | ||
JPS58109389U (en) | headphone output device | |
JPH0260362U (en) | ||
JPH0221816U (en) | ||
JPS6365334U (en) | ||
JPS60153018U (en) | automatic volume adjustment circuit | |
JPH02817U (en) | ||
JPS6193100U (en) | ||
JPH0438120U (en) | ||
JPS63183795U (en) | ||
JPS6289830U (en) | ||
JPH0370497U (en) | ||
JPH02150900U (en) |