JPS60116796U - Microphone switching device - Google Patents
Microphone switching deviceInfo
- Publication number
- JPS60116796U JPS60116796U JP471584U JP471584U JPS60116796U JP S60116796 U JPS60116796 U JP S60116796U JP 471584 U JP471584 U JP 471584U JP 471584 U JP471584 U JP 471584U JP S60116796 U JPS60116796 U JP S60116796U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- signal
- echo
- switching device
- control
- 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
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、従来のエコー付マイク信号を得る為の回路を
示す回路図、第２図は本考案の一実施例を示す回路図、
第３図は本考案の別の実施例を示す回路図、第４図は第
２図及び第３図の遮断トランジスタの制御信号の発生方
法を示す回路図、及び第５図は第４図め別の方法を示す
回路図である。
主な図番の説明、１，１８，１９・・・・・・マイクロ
フォン、３，２４・・・・・・エコー信号発生回路、４
゜３０・・・・・・混合回路、８，２８・・・・・・遮
断トランジスタ、９，３３・・・・・・制御信号発生回
路。FIG. 1 is a circuit diagram showing a conventional circuit for obtaining a microphone signal with echo, and FIG. 2 is a circuit diagram showing an embodiment of the present invention.
FIG. 3 is a circuit diagram showing another embodiment of the present invention, FIG. 4 is a circuit diagram showing a method of generating control signals for the cut-off transistors shown in FIGS. 2 and 3, and FIG. FIG. 7 is a circuit diagram showing another method. Explanation of main drawing numbers, 1, 18, 19...Microphone, 3, 24...Echo signal generation circuit, 4
゜30... Mixing circuit, 8, 28... Cutoff transistor, 9, 33... Control signal generation circuit.
Claims (1)
号に応じてエコー信号を発生するエコー信号発生回路と
、前記マイク信号と前記エコー信号とを混合する混合口
−路と、前記マイクロフォンと前記エコー信号発生回路
との間の信号路を遮断する信号遮断回路と、該信号遮断
回路を制御する制御信号を発生する制御信号発生回路と
から成り、ソース機器の動作に応じて前記制御信号発生
回路から制御信号を発生し、前記信号遮断回路を制御し
、前記信号遮断回路の遮断動作時に前記マイクロフォン
をエコー無マイクロフォンに、前記信号遮断回路の非遮
断動作時に前記マイクロフォンをエコー付マイクロフォ
ンに切換える様にしたマイクロフォン切換装置。a microphone that generates a microphone signal, an echo signal generation circuit that generates an echo signal in response to the microphone signal, a mixing port that mixes the microphone signal and the echo signal, and the microphone and the echo signal generation circuit. and a control signal generation circuit that generates a control signal to control the signal cutoff circuit. a microphone switching device configured to control the signal cutoff circuit and switch the microphone to a no-echo microphone when the signal cutoff circuit is cut off, and to switch the microphone to an echo microphone when the signal cutoff circuit is not cut off. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP471584U JPS60116796U (en) | 1984-01-17 | 1984-01-17 | Microphone switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP471584U JPS60116796U (en) | 1984-01-17 | 1984-01-17 | Microphone switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60116796U true JPS60116796U (en) | 1985-08-07 |
Family
ID=30480550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP471584U Pending JPS60116796U (en) | 1984-01-17 | 1984-01-17 | Microphone switching device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60116796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11952648B2 (en) | 2011-01-25 | 2024-04-09 | Tenaris Coiled Tubes, Llc | Method of forming and heat treating coiled tubing |
-
1984
- 1984-01-17 JP JP471584U patent/JPS60116796U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11952648B2 (en) | 2011-01-25 | 2024-04-09 | Tenaris Coiled Tubes, Llc | Method of forming and heat treating coiled tubing |
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