JPS59180517U - audio input device - Google Patents
audio input deviceInfo
- Publication number
- JPS59180517U JPS59180517U JP7621883U JP7621883U JPS59180517U JP S59180517 U JPS59180517 U JP S59180517U JP 7621883 U JP7621883 U JP 7621883U JP 7621883 U JP7621883 U JP 7621883U JP S59180517 U JPS59180517 U JP S59180517U
- Authority
- JP
- Japan
- Prior art keywords
- input signal
- audio
- outputs
- input device
- 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.)
- Pending
Links
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Television Receiver Circuits (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図は従来の音声入力機器の概要を示す回路図、第２
図はこの考案の一実施例による音声入力機器の概要を示
す回路図である。
１・・・テレビチューナ（音声出力機器）、２・・・モ
″ニタテレビ（音声入力機器）、４・・・増幅回路
、７・・・調整回路、訃・・切替回路。なお図中同一符
号は同−又は相当部分を示す。Figure 1 is a circuit diagram showing an overview of a conventional audio input device;
The figure is a circuit diagram showing an outline of an audio input device according to an embodiment of the invention. 1...TV tuner (audio output device), 2...Monitor TV (audio input device), 4...amplification circuit, 7...adjustment circuit, and...switching circuit. Same symbols in the diagram indicates the same or equivalent part.
Claims (1)
音声出力機器または直流分の重畳されていない音声信号
を出力する唇量調整可能な音声出力機器からの入力信号
を増幅出力する音声入力機゛ 器であって、上記いず
れかの音声出力機器からの入力信号を増幅する増幅回路
と、この増幅回路における動作レベルを手動調整するた
めの調整回路と、上記入力信号中に直流分を検出しない
ときは上記調整回路を通常の手動調整可能な状態とし上
記入力信号中に直流分を検出した時は上記調整回路をし
て上記増幅回路の動作レベルを最大動作レベルに設定せ
しめる切替回路とを備えたことを特徴とする音声入力機
器。An audio input device that amplifies and outputs an input signal from an audio output device with adjustable volume that outputs an audio signal with a DC component superimposed or an audio output device with adjustable lip volume that outputs an audio signal without a DC component superimposed.゛ An amplifier circuit that amplifies the input signal from any of the above audio output devices, an adjustment circuit that manually adjusts the operating level in this amplifier circuit, and does not detect a DC component in the above input signal. and a switching circuit that sets the adjustment circuit in a normal manual adjustable state when a direct current component is detected in the input signal, and sets the adjustment circuit to the maximum operation level of the amplifier circuit. A voice input device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7621883U JPS59180517U (en) | 1983-05-19 | 1983-05-19 | audio input device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7621883U JPS59180517U (en) | 1983-05-19 | 1983-05-19 | audio input device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59180517U true JPS59180517U (en) | 1984-12-03 |
Family
ID=30206265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7621883U Pending JPS59180517U (en) | 1983-05-19 | 1983-05-19 | audio input device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59180517U (en) |
-
1983
- 1983-05-19 JP JP7621883U patent/JPS59180517U/en active Pending
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