JPH0262847U - - Google Patents
Info
- Publication number
- JPH0262847U JPH0262847U JP14114588U JP14114588U JPH0262847U JP H0262847 U JPH0262847 U JP H0262847U JP 14114588 U JP14114588 U JP 14114588U JP 14114588 U JP14114588 U JP 14114588U JP H0262847 U JPH0262847 U JP H0262847U
- Authority
- JP
- Japan
- Prior art keywords
- control signal
- remote control
- circuit
- photocoupler
- line
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Selective Calling Equipment (AREA)
Description
第１図は、本考案の実施例を示す回路図、第２
図は従来例を示す回路図である。
１２：ホトカプラー、１３：線路補償用抵抗。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG.
The figure is a circuit diagram showing a conventional example. 12: Photocoupler, 13: Line compensation resistor.
Claims (1)
御信号を伝送する遠隔制御システムの被制御局に
おいて、線路整合用トランスの中点の二端子間に
制御信号を検出するホトカプラーと線路補償用抵
抗とを直列に接続した制御信号受信回路を接続し
たことを特徴とする遠隔制御回路。 In a controlled station of a remote control system that transmits a control signal for a communication circuit using a pair of audio cable lines, a photocoupler that detects a control signal between two terminals at the center of a line matching transformer and a line compensation resistor are used. A remote control circuit comprising: a control signal receiving circuit connected in series;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14114588U JPH0611677Y2 (en) | 1988-10-31 | 1988-10-31 | Remote control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14114588U JPH0611677Y2 (en) | 1988-10-31 | 1988-10-31 | Remote control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0262847U true JPH0262847U (en) | 1990-05-10 |
| JPH0611677Y2 JPH0611677Y2 (en) | 1994-03-23 |
Family
ID=31405956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14114588U Expired - Lifetime JPH0611677Y2 (en) | 1988-10-31 | 1988-10-31 | Remote control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0611677Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000252886A (en) * | 1999-03-02 | 2000-09-14 | Fujitsu Ltd | Transmission line interface module and transmission system |
-
1988
- 1988-10-31 JP JP14114588U patent/JPH0611677Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000252886A (en) * | 1999-03-02 | 2000-09-14 | Fujitsu Ltd | Transmission line interface module and transmission system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0611677Y2 (en) | 1994-03-23 |