JPS6072016U - noise reduction device - Google Patents
noise reduction deviceInfo
- Publication number
- JPS6072016U JPS6072016U JP16260083U JP16260083U JPS6072016U JP S6072016 U JPS6072016 U JP S6072016U JP 16260083 U JP16260083 U JP 16260083U JP 16260083 U JP16260083 U JP 16260083U JP S6072016 U JPS6072016 U JP S6072016U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- noise reduction
- reduction device
- reverberation
- gain switching
- 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
Links
Landscapes
- Amplifiers (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例の回路図、第２図は本考案の
他の実施例の一部の回路図である。
１・・・入力端子、２・・・出力端子、３，５・・・オ
ペアンプ、４・・・リバーブレーションユニット、１０
・・・整流回路、１１．１６・・・トランジスタ、１２
，１３．１４・・・抵抗器、１５・・・利得切替回路。FIG. 1 is a circuit diagram of one embodiment of the present invention, and FIG. 2 is a partial circuit diagram of another embodiment of the present invention. 1... Input terminal, 2... Output terminal, 3, 5... Operational amplifier, 4... Reverberation unit, 10
... Rectifier circuit, 11.16 ... Transistor, 12
, 13.14...Resistor, 15... Gain switching circuit.
Claims (1)
遅延回路または残響回路の入力側と出力側の間に、整流
回路と該整流回路の出力電圧によって利得切替を行なう
利得切替回路とを、前記遅延回路または残響回路に並列
関係に接続したこと−を特徴とするノイズ低減装置。In an amplifier having a delay circuit or a reverberation circuit, a rectifier circuit and a gain switching circuit that performs gain switching according to the output voltage of the rectification circuit are provided between the input side and the output side of the delay circuit or reverberation circuit. A noise reduction device characterized by being connected in parallel to a reverberation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16260083U JPS6072016U (en) | 1983-10-20 | 1983-10-20 | noise reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16260083U JPS6072016U (en) | 1983-10-20 | 1983-10-20 | noise reduction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6072016U true JPS6072016U (en) | 1985-05-21 |
Family
ID=30357013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16260083U Pending JPS6072016U (en) | 1983-10-20 | 1983-10-20 | noise reduction device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6072016U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55135430A (en) * | 1979-04-09 | 1980-10-22 | Matsushita Electric Ind Co Ltd | Radio receiver |
-
1983
- 1983-10-20 JP JP16260083U patent/JPS6072016U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55135430A (en) * | 1979-04-09 | 1980-10-22 | Matsushita Electric Ind Co Ltd | Radio receiver |
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