JPS6454456U - - Google Patents
Info
- Publication number
- JPS6454456U JPS6454456U JP14866287U JP14866287U JPS6454456U JP S6454456 U JPS6454456 U JP S6454456U JP 14866287 U JP14866287 U JP 14866287U JP 14866287 U JP14866287 U JP 14866287U JP S6454456 U JPS6454456 U JP S6454456U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- current detection
- line
- parallel
- slave
- 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 5
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案に係る電話回線の電流検出装置
の基本回路図、第２図は同装置の具体的応用例を
示す回路図である。
１，１１……親電話機、２，２１……子電話機
、４，７，４１，７１……フツクスイツチ、５，
８，５１，８１……ハイブリツドコイル、９，９
１……ホトカプラ。
FIG. 1 is a basic circuit diagram of a current detection device for a telephone line according to the present invention, and FIG. 2 is a circuit diagram showing a specific application example of the device. 1,11...Main phone, 2,21...Slave phone, 4,7,41,71...Hook switch, 5,
8,51,81...Hybrid coil, 9,9
1...Hotocoupler.
Claims (1)
機と並列に接続された子電話機とを備え、並列接
続された前記子電話機の回線に当該回線に流れる
電流を検出する電流検出手段が設けられ、この電
流検出手段の検出結果によつて前記親電話機を制
御するようになされたことを特徴とする電話回線
の電流検出装置。 The present invention comprises a master telephone connected to a telephone line, and a slave telephone connected in parallel with the master telephone, and a current detection means for detecting a current flowing through the line of the slave telephone connected in parallel is provided, A current detection device for a telephone line, characterized in that the main telephone is controlled based on the detection result of the current detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14866287U JPS6454456U (en) | 1987-09-29 | 1987-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14866287U JPS6454456U (en) | 1987-09-29 | 1987-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6454456U true JPS6454456U (en) | 1989-04-04 |
Family
ID=31420184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14866287U Pending JPS6454456U (en) | 1987-09-29 | 1987-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6454456U (en) |
-
1987
- 1987-09-29 JP JP14866287U patent/JPS6454456U/ja active Pending