JPS6019254U - Alarm signal detection device for signal transmission equipment - Google Patents
Alarm signal detection device for signal transmission equipmentInfo
- Publication number
- JPS6019254U JPS6019254U JP1983108967U JP10896783U JPS6019254U JP S6019254 U JPS6019254 U JP S6019254U JP 1983108967 U JP1983108967 U JP 1983108967U JP 10896783 U JP10896783 U JP 10896783U JP S6019254 U JPS6019254 U JP S6019254U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- receiving device
- transmission
- detection device
- alarm
- 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
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Dc Digital Transmission (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図、第２図は、従来技術の説明図、第３図は、本考
案の一実施例の全体構成図、第４図、第５図、第６図、
第７図は、本考案の部分説明図である。
１・・・送信装置、２・・・受信装置、６・・・警報検
出回路、１２・・・終端抵抗器、１４・・・負荷電流検
出回路、３４・・・比較器。1 and 2 are explanatory diagrams of the prior art, FIG. 3 is an overall configuration diagram of an embodiment of the present invention, FIGS. 4, 5, 6,
FIG. 7 is a partial explanatory diagram of the present invention. DESCRIPTION OF SYMBOLS 1... Transmitting device, 2... Receiving device, 6... Alarm detection circuit, 12... Terminating resistor, 14... Load current detection circuit, 34... Comparator.
Claims (1)
信装置内で伝送の異常を検出し、送信端に伝達する手段
をもつ信号伝送装置の警報信号検出方式において、 受信装置で検出した異常信号によって、受信装置の伝送
信号線終端抵抗値を変化させる手段と、この終端抵抗値
の変化により生じた送信送置の伝送信号線駆動電流の変
化を検出する手段と、この検出された信号を受信装置の
警報として出力する手段とからなることを特徴とする信
号伝送装置の警報信号検出装置。[Claim for Utility Model Registration] A signal transmission device consisting of a transmitting device and a receiving device, and an alarm signal detection method for the signal transmission device having means for detecting transmission abnormalities within the receiving device and transmitting the detected abnormalities to the transmitting end. , means for changing the transmission signal line terminating resistance value of the receiving device according to the abnormal signal detected by the receiving device; and means for detecting a change in the transmission signal line drive current of the transmitting station caused by the change in the terminating resistance value. , and means for outputting the detected signal as an alarm to a receiving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983108967U JPS6019254U (en) | 1983-07-15 | 1983-07-15 | Alarm signal detection device for signal transmission equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983108967U JPS6019254U (en) | 1983-07-15 | 1983-07-15 | Alarm signal detection device for signal transmission equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6019254U true JPS6019254U (en) | 1985-02-09 |
Family
ID=30254020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983108967U Pending JPS6019254U (en) | 1983-07-15 | 1983-07-15 | Alarm signal detection device for signal transmission equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6019254U (en) |
-
1983
- 1983-07-15 JP JP1983108967U patent/JPS6019254U/en active Pending
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