JPS611946U - Send-back monitoring device using combined use of electromagnetic microphone cord - Google Patents
Send-back monitoring device using combined use of electromagnetic microphone cordInfo
- Publication number
- JPS611946U JPS611946U JP8585384U JP8585384U JPS611946U JP S611946 U JPS611946 U JP S611946U JP 8585384 U JP8585384 U JP 8585384U JP 8585384 U JP8585384 U JP 8585384U JP S611946 U JPS611946 U JP S611946U
- Authority
- JP
- Japan
- Prior art keywords
- plug
- transformer
- ground terminal
- connector
- terminal
- 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
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (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図はこの考案の装置の結線図である。 FIG. 1 is a wiring diagram of the device of this invention.
Claims (1)
２の平衡回路の端子につなぎ、接栓２１の接地端子は接
栓２２の接地端子および金属箱１につなぐ。 接栓２３の平衡回線の端子は抵抗減衰器３、変，成器１
６を介して変成器１５の接栓２２側の線輪の中点と接栓
２２の接地端子につなぐ。 接栓２３の接地端子は接栓２１または接栓２２の接地端
子につなぐ。 金属箱４に接栓２４、接栓２５、汐ジャック２６を設け
る。 接栓２４の平衡回線の端子は変成器１７を介して接栓２
５の平衡回線の端子につなぎ、接栓２４の接地端子は接
栓２５の接地端子および金属箱４につなぐ。 変成器１７の接栓２４側の線輪の中点と接栓２４の接地
端子の間に接続された変成器１−８は抵抗減衰器６を介
して音声増幅器７の入力端子につなぐ。 音声増幅器７の出力端子はｙジャック２６につなぐ。 乾電池８を金属箱４に内蔵しスイッチ９をつける。 変成器１７と接栓２５の間｛とスイッチ１１、抵抗１２
をつけ、る。 接栓２２と接栓２４との間をマイクコード１０でつなぐ
。 この構成された回路を持つ装置。[Claims for Utility Model Registration] A metal box 1 is provided with a connector 21, a connector 22, and a connector 23. The terminal of the balanced line of the plug 21 is connected to the plug 2 via the transformer 15.
The ground terminal of the connector 21 is connected to the ground terminal of the connector 22 and the metal box 1. The terminals of the balanced line of the plug 23 are connected to the resistance attenuator 3, the transformer, and the converter 1.
6 to connect the middle point of the coil on the junction 22 side of the transformer 15 to the ground terminal of the junction 22. The ground terminal of the plug 23 is connected to the ground terminal of the plug 21 or 22. A metal box 4 is provided with a plug 24, a plug 25, and a jack 26. The terminal of the balanced line of the plug 24 is connected to the plug 2 through the transformer 17.
5, and the ground terminal of the plug 24 is connected to the ground terminal of the plug 25 and the metal box 4. The transformer 1-8, which is connected between the midpoint of the coil on the jack 24 side of the transformer 17 and the ground terminal of the jack 24, is connected to the input terminal of the audio amplifier 7 via the resistive attenuator 6. The output terminal of the audio amplifier 7 is connected to the Y jack 26. A dry battery 8 is built into a metal box 4 and a switch 9 is attached. Between the transformer 17 and the plug 25 {and the switch 11 and the resistor 12
Attach and ru. A microphone cord 10 is connected between the plug 22 and the plug 24. A device with this configured circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8585384U JPS611946U (en) | 1984-06-08 | 1984-06-08 | Send-back monitoring device using combined use of electromagnetic microphone cord |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8585384U JPS611946U (en) | 1984-06-08 | 1984-06-08 | Send-back monitoring device using combined use of electromagnetic microphone cord |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS611946U true JPS611946U (en) | 1986-01-08 |
Family
ID=30636625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8585384U Pending JPS611946U (en) | 1984-06-08 | 1984-06-08 | Send-back monitoring device using combined use of electromagnetic microphone cord |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS611946U (en) |
-
1984
- 1984-06-08 JP JP8585384U patent/JPS611946U/en active Pending
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