JPH0186353U - - Google Patents
Info
- Publication number
- JPH0186353U JPH0186353U JP18065087U JP18065087U JPH0186353U JP H0186353 U JPH0186353 U JP H0186353U JP 18065087 U JP18065087 U JP 18065087U JP 18065087 U JP18065087 U JP 18065087U JP H0186353 U JPH0186353 U JP H0186353U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- line terminal
- control
- telephone
- calling signal
- 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 4
- 238000010586 diagram Methods 0.000 description 1
Description
図は本考案による電話装置のブロツク図である
。
１……接続端子、２……通話線端子、３……制
御線端子、４……他の端末機、５，１３……信号
受信回路、６，１２……電話機回路、７……呼出
信号発生器、８……制御信号検出回路、９……ル
ープ検出回路、１０……制御回路、１１……押ボ
タンスイツチ、１４……制御信号送出回路。
The figure is a block diagram of a telephone device according to the present invention. 1... Connection terminal, 2... Call line terminal, 3... Control line terminal, 4... Other terminal, 5, 13... Signal receiving circuit, 6, 12... Telephone circuit, 7... Calling signal Generator, 8... Control signal detection circuit, 9... Loop detection circuit, 10... Control circuit, 11... Push button switch, 14... Control signal sending circuit.
Claims (1)
続される局線端子と、他の端末機（例えば電話機
）の通話線が接続される通話線端子と、他の端末
機からの制御信号を入力する制御線端子とを備え
た電話装置において、少くとも上記電話回線から
の呼出信号に応動する信号受信回路と、ダイヤル
信号送出回路と、呼出信号発生器と、通話線端子
間の閉路を検出するループ検出回路と、上記呼出
信号発生器の出力を上記通話線端子側に送出する
か上記信号受信回路側に送出するかを切替える切
替回路と、該切替回路及び上記呼出信号発生器を
制御する制御回路と、押ボタンスイツチとから構
成され、上記制御回路は上記ボタンスイツチ、上
記制御線端子及び上記ループ検出回路から与えら
れる入力信号によつて制御されるように構成した
ことを特徴とする電話装置。 A communication means is provided, as well as a central office line terminal connected to a telephone line, a communication line terminal to which a communication line of another terminal (for example, a telephone) is connected, and a control for inputting control signals from other terminals. In a telephone device equipped with a line terminal, at least a signal receiving circuit that responds to a calling signal from the telephone line, a dialing signal sending circuit, a calling signal generator, and a loop detection that detects a closed circuit between the talking line terminal. a switching circuit for switching whether to send the output of the calling signal generator to the communication line terminal side or to the signal receiving circuit side; and a control circuit for controlling the switching circuit and the calling signal generator. , a push button switch, and the control circuit is configured to be controlled by input signals provided from the button switch, the control line terminal, and the loop detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18065087U JPH0186353U (en) | 1987-11-27 | 1987-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18065087U JPH0186353U (en) | 1987-11-27 | 1987-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0186353U true JPH0186353U (en) | 1989-06-07 |
Family
ID=31472160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18065087U Pending JPH0186353U (en) | 1987-11-27 | 1987-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0186353U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6018093A (en) * | 1983-07-09 | 1985-01-30 | Tamura Electric Works Ltd | Telephone device |
-
1987
- 1987-11-27 JP JP18065087U patent/JPH0186353U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6018093A (en) * | 1983-07-09 | 1985-01-30 | Tamura Electric Works Ltd | Telephone device |
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