JPH0164252U - - Google Patents
Info
- Publication number
- JPH0164252U JPH0164252U JP1987158891U JP15889187U JPH0164252U JP H0164252 U JPH0164252 U JP H0164252U JP 1987158891 U JP1987158891 U JP 1987158891U JP 15889187 U JP15889187 U JP 15889187U JP H0164252 U JPH0164252 U JP H0164252U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- telephone line
- terminal
- line
- connection
- 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 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の描画像通信装置の構成を示す
ブロツク図、第２図は第１図の動作状態を示すフ
ローチヤートである。
１……入力装置、３……制御回路、８……電話
機、９，１０……切換回路、１１，１２……モジ
ユラジヤツク、１７……レベル検出回路、１８…
…報知回路。
FIG. 1 is a block diagram showing the configuration of the image communication device of the present invention, and FIG. 2 is a flowchart showing the operating state of FIG. 1. DESCRIPTION OF SYMBOLS 1...Input device, 3...Control circuit, 8...Telephone, 9, 10...Switching circuit, 11, 12...Module jack, 17...Level detection circuit, 18...
...Notification circuit.
Claims (1)
続される接続端子を備えた電話回線端末装置に於
いて、待機時電話機と回線を直接接続し、動作時
電話機と電話回線をそれぞれ装置側へ切換接続す
る切換手段と、電話回線端子に接続され回線の電
圧レベルを検出するレベル検出手段と、報知手段
と、前記切換手段の制御で電話機端子を電話回線
端子から切り離した後、前記レベル検出手段の出
力により電話機と電話回線の誤接続を検出した時
前記報知手段を駆動する制御手段で構成したこと
を特徴とする電話回線端末装置。 In a telephone line terminal device equipped with a connection terminal to which a telephone is connected and a connection terminal to which a telephone line is connected, the telephone and line are directly connected during standby, and the telephone and telephone line are switched to the device side respectively during operation. a switching means for connecting, a level detecting means connected to the telephone line terminal and detecting the voltage level of the line, and an alarm means; after the telephone terminal is disconnected from the telephone line terminal under the control of the switching means, the level detecting means A telephone line terminal device comprising a control means for driving the notification means when an erroneous connection between the telephone and the telephone line is detected by output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987158891U JPH0164252U (en) | 1987-10-16 | 1987-10-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987158891U JPH0164252U (en) | 1987-10-16 | 1987-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0164252U true JPH0164252U (en) | 1989-04-25 |
Family
ID=31439629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987158891U Pending JPH0164252U (en) | 1987-10-16 | 1987-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0164252U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6014559B2 (en) * | 1975-10-16 | 1985-04-13 | 松下電器産業株式会社 | television receiver |
-
1987
- 1987-10-16 JP JP1987158891U patent/JPH0164252U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6014559B2 (en) * | 1975-10-16 | 1985-04-13 | 松下電器産業株式会社 | television receiver |
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