JPS645599U - - Google Patents
Info
- Publication number
- JPS645599U JPS645599U JP9954987U JP9954987U JPS645599U JP S645599 U JPS645599 U JP S645599U JP 9954987 U JP9954987 U JP 9954987U JP 9954987 U JP9954987 U JP 9954987U JP S645599 U JPS645599 U JP S645599U
- Authority
- JP
- Japan
- Prior art keywords
- fader
- power amplifier
- audio device
- detects
- detection section
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Amplification And Gain Control (AREA)
Description
第１図は本考案の基本構成図、第２図は本考案
の実施例の構成図、第３図は本考案の具体例の要
部回路図である。
FIG. 1 is a basic block diagram of the present invention, FIG. 2 is a block diagram of an embodiment of the present invention, and FIG. 3 is a circuit diagram of a main part of a specific example of the present invention.
Claims (1)
したオーデイオ機器において、前側パワーアンプ
２１と後側パワーアンプ２２の各接続状態を検出
する検出部１７と、該検出部が両アンプの接続を
検出したとき出力する有効信号を受けて該フエー
ダ部１３を有効にし、且つ該有効信号が入力しな
いときは該フエーダ部１３を無効にする制御部１
６とを備えてなることを特徴とするオーデイオ機
器。 In an audio device having a fader section 13 that can vary the front and rear distribution ratio, a detection section 17 detects each connection state of a front power amplifier 21 and a rear power amplifier 22, and the detection section detects the connection of both amplifiers. a control unit 1 which enables the fader unit 13 in response to a valid signal outputted when the input signal is received; and disables the fader unit 13 when the valid signal is not input;
6. An audio device characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9954987U JPS645599U (en) | 1987-06-29 | 1987-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9954987U JPS645599U (en) | 1987-06-29 | 1987-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS645599U true JPS645599U (en) | 1989-01-12 |
Family
ID=31326809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9954987U Pending JPS645599U (en) | 1987-06-29 | 1987-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS645599U (en) |
-
1987
- 1987-06-29 JP JP9954987U patent/JPS645599U/ja active Pending
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