JPH0467835U - - Google Patents
Info
- Publication number
- JPH0467835U JPH0467835U JP11246390U JP11246390U JPH0467835U JP H0467835 U JPH0467835 U JP H0467835U JP 11246390 U JP11246390 U JP 11246390U JP 11246390 U JP11246390 U JP 11246390U JP H0467835 U JPH0467835 U JP H0467835U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- telephone
- loop
- relay
- capacitor
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 230000001629 suppression Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は従来の直流ループ中継回路が含まれた従
来の電話機中継装置の一例を示すブロツク図であ
る。
１，１ａ……電話機中継装置、６……電話機、
１１……ハイブリツド・トランス回路、１２……
コンデンサ、１３，１３ａ……直流ループ中継回
路、３１……コイル回路、３２……コンデンサ、
３３……光結合素子回路、３４……リレー回路、
３５……リレー接点。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a block diagram showing an example of a conventional telephone relay device including a conventional DC loop relay circuit. 1, 1a...Telephone relay device, 6...Telephone,
11...Hybrid transformer circuit, 12...
Capacitor, 13, 13a... DC loop relay circuit, 31... Coil circuit, 32... Capacitor,
33... Optical coupling element circuit, 34... Relay circuit,
35...Relay contact.
Claims (1)
デンサとを含む交流抑圧回路と、交流抑圧回路に
接続し前記電話機の直流ループ信号を検出して地
気信号を送出する光結合素子回路とを備えて成る
ことを特徴とする電話機中継装置の直流ループ中
継回路。 It comprises an AC suppression circuit that includes a coil circuit and a capacitor that suppresses AC components of the telephone, and an optical coupling element circuit that is connected to the AC suppression circuit, detects the DC loop signal of the telephone, and sends out a ground signal. A DC loop relay circuit for a telephone relay device, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11246390U JPH0467835U (en) | 1990-10-25 | 1990-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11246390U JPH0467835U (en) | 1990-10-25 | 1990-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0467835U true JPH0467835U (en) | 1992-06-16 |
Family
ID=31859967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11246390U Pending JPH0467835U (en) | 1990-10-25 | 1990-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0467835U (en) |
-
1990
- 1990-10-25 JP JP11246390U patent/JPH0467835U/ja active Pending