JPH0232070U - - Google Patents
Info
- Publication number
- JPH0232070U JPH0232070U JP1988109065U JP10906588U JPH0232070U JP H0232070 U JPH0232070 U JP H0232070U JP 1988109065 U JP1988109065 U JP 1988109065U JP 10906588 U JP10906588 U JP 10906588U JP H0232070 U JPH0232070 U JP H0232070U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- comparator
- coaxial cable
- reference voltage
- voltage
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Description
図は本考案の検出回路の電気回路図である。
１……搬送端局装置、２……変復調器、３……
同軸ケーブル、４……同軸ケーブル断検出回路、
５……制御装置、４１……比較器、４２……リレ
ー回路、ＶＥ……電源電圧、ＶＲ……基準電圧、
Ｒ１，Ｒ……抵抗。
The figure is an electrical circuit diagram of the detection circuit of the present invention. 1...Carrier terminal equipment, 2...Modulator/demodulator, 3...
Coaxial cable, 4... Coaxial cable disconnection detection circuit,
5...Control device, 41...Comparator, 42...Relay circuit, VE...Power supply voltage, VR...Reference voltage,
R 1 , R...resistance.
Claims (1)
してこれを基準電圧と比較し、この回路電圧と基
準電圧の差が所定値を越えたときに信号を出力す
る比較器と、アラーム表示を行う制御装置を前記
比較器から出力される信号に基づいて駆動させる
リレー回路とを備えることを特徴とする同軸ケー
ブル断検出回路。 A comparator that detects the circuit voltage of the power supply connected to the coaxial cable, compares it with a reference voltage, and outputs a signal when the difference between this circuit voltage and the reference voltage exceeds a predetermined value, and a control that displays an alarm. A coaxial cable disconnection detection circuit comprising: a relay circuit that drives a device based on a signal output from the comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988109065U JPH0232070U (en) | 1988-08-22 | 1988-08-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988109065U JPH0232070U (en) | 1988-08-22 | 1988-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0232070U true JPH0232070U (en) | 1990-02-28 |
Family
ID=31344975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988109065U Pending JPH0232070U (en) | 1988-08-22 | 1988-08-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0232070U (en) |
-
1988
- 1988-08-22 JP JP1988109065U patent/JPH0232070U/ja active Pending
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