JPS62119043U - - Google Patents
Info
- Publication number
- JPS62119043U JPS62119043U JP639186U JP639186U JPS62119043U JP S62119043 U JPS62119043 U JP S62119043U JP 639186 U JP639186 U JP 639186U JP 639186 U JP639186 U JP 639186U JP S62119043 U JPS62119043 U JP S62119043U
- Authority
- JP
- Japan
- Prior art keywords
- audio signal
- input terminal
- telephone line
- input
- 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
- 230000005236 sound signal Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の音声信号出力装置のブロツク
図である。
１……チユーナ、２……プレーヤ、３……増幅
装置、４……音声信号出力装置、１３……スイツ
チ回路、２０，２１……スピーカ、２２……マイ
クロホン、２３……ヘツドセツト、２６……ハイ
ブリツド回路、２９，３３……演算増幅器、３０
，３４……増幅器、３９……ライントランス、４
４……検知回路、４５……制御回路、４６……駆
動回路。
FIG. 1 is a block diagram of the audio signal output device of the present invention. DESCRIPTION OF SYMBOLS 1... Tuner, 2... Player, 3... Amplifier, 4... Audio signal output device, 13... Switch circuit, 20, 21... Speaker, 22... Microphone, 23... Headset, 26... Hybrid circuit, 29, 33... operational amplifier, 30
, 34...Amplifier, 39...Line transformer, 4
4...Detection circuit, 45...Control circuit, 46...Drive circuit.
Claims (1)
１の入力端子と、電話回線からの音声信号が入力
される第２の入力端子と、該電話回線に到来する
発呼信号を検知する検知回路と、該第１の入力端
子からの音声信号と該第２の入力端子からの音声
信号のいずれか一方を選択するスイツチ回路と、
該スイツチ回路により選択された音声信号をスピ
ーカに出力する出力端子と、該検知回路が該発呼
信号を検知したとき、該電話回線からの音声信号
を選択するように該スイツチ回路を制御する制御
回路とを備えることを特徴とする音声信号出力装
置。 a first input terminal into which an audio signal from an audio device is input; a second input terminal into which an audio signal from a telephone line is input; and a detection circuit which detects a calling signal arriving at the telephone line; a switch circuit that selects either the audio signal from the first input terminal or the audio signal from the second input terminal;
an output terminal that outputs the audio signal selected by the switch circuit to a speaker; and a control that controls the switch circuit to select the audio signal from the telephone line when the detection circuit detects the call signal. An audio signal output device comprising a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP639186U JPS62119043U (en) | 1986-01-20 | 1986-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP639186U JPS62119043U (en) | 1986-01-20 | 1986-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62119043U true JPS62119043U (en) | 1987-07-28 |
Family
ID=30788866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP639186U Pending JPS62119043U (en) | 1986-01-20 | 1986-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62119043U (en) |
-
1986
- 1986-01-20 JP JP639186U patent/JPS62119043U/ja active Pending
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