JPH0241537U - - Google Patents
Info
- Publication number
- JPH0241537U JPH0241537U JP1988118572U JP11857288U JPH0241537U JP H0241537 U JPH0241537 U JP H0241537U JP 1988118572 U JP1988118572 U JP 1988118572U JP 11857288 U JP11857288 U JP 11857288U JP H0241537 U JPH0241537 U JP H0241537U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- monitoring
- voltage
- coaxial cable
- 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
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims 7
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Transceivers (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Description
第１図は本考案の一実施例を示すブロツク図で
ある。
１……制御用筐体、２……被制御用筐体、３…
…信号発生回路、４，１３……信号接続回路、５
……信号結合回路、６，１４……リレー、７Ａ，
７Ｂ……コンデンサ、８Ａ，８Ｂ……インダクタ
ンス、９……主電源出力、１０……同軸ケーブル
、１１……電源、１２……信号検知回路、１５…
…信号分離回路、１６……スイツチ、１７……信
号出力、１８……電圧出力、１９，２０……テレ
メータ、Ｖ１，Ｖ２……電圧。
FIG. 1 is a block diagram showing one embodiment of the present invention. 1...Control case, 2...Controlled case, 3...
... Signal generation circuit, 4, 13 ... Signal connection circuit, 5
...Signal coupling circuit, 6,14...Relay, 7A,
7B... Capacitor, 8A, 8B... Inductance, 9... Main power output, 10... Coaxial cable, 11... Power supply, 12... Signal detection circuit, 15...
... Signal separation circuit, 16 ... Switch, 17 ... Signal output, 18 ... Voltage output, 19, 20 ... Telemeter, V 1 , V 2 ... Voltage.
Claims (1)
１の筺体と、同軸ケーブルを介して供給される前
記第１の筐体の通信信号と電源とを受けて動作す
る装置を収容する第２の筐体とを有する分離型通
信装置において、 電圧Ｖ１と電圧Ｖ２とがＶ１＞Ｖ２の関係にあ
る２つの電圧を出力する電源と、 前記電源に接続され、断の場合に前記電圧Ｖ２
を出力し接の場合に前記電圧Ｖ１を出力するスイ
ツチと、 前記スイツチと前記同軸ケーブルとの間に接続
され、監視用交流信号を分離出力する信号分離回
路と、 前記信号分離回路に接続され、前記スイツチ出
力から供給される電圧がＶ２からＶ１に切換つた
時点で前記監視用交流信号を接から断にする信号
接続回路と、 前記信号接続回路に接続され、前記監視用交流
信号を受けて監視表示をする信号検知回路とを備
えた第１の筐体と、 前記監視用交流信号を発生する信号発生回路と
、 前記同軸ケーブル前記信号発生回路で発生した
監視用交流信号を結合し、かつ、前記同軸ケーブ
ルにより供給される前記電圧Ｖ１またはＶ２を取
り出す信号結合回路と、 前記信号結合回路と前記信号発生回路との間に
接続され、前記信号結合回路から供給される電圧
がＶ２からＶ１に切換つた時点で前記信号発生回
路から前記信号結合回路に接続していた前記監視
用交流信号を断とする信号接続回路とを備えた第
２の筐体とからなることを特徴とする分離型通信
装置。[Claims for Utility Model Registration] A first casing that houses a device that supplies communication signals and power; and a device that operates upon receiving the communication signals and power from the first casing that are supplied via a coaxial cable. a second casing that accommodates a device that is connected to the power source ; and in the case of disconnection, the voltage V 2
a switch that outputs the voltage V1 when connected; a signal separation circuit connected between the switch and the coaxial cable and configured to separate and output a monitoring AC signal; and a signal separation circuit connected to the signal separation circuit. , a signal connection circuit that disconnects the monitoring AC signal when the voltage supplied from the switch output switches from V 2 to V 1 ; and a signal connection circuit that is connected to the signal connection circuit and connects the monitoring AC signal. a first casing including a signal detection circuit that receives the signal and displays a monitoring display; a signal generation circuit that generates the monitoring AC signal; and a coaxial cable that connects the monitoring AC signal generated by the signal generation circuit. , and a signal coupling circuit that takes out the voltage V 1 or V 2 supplied by the coaxial cable; and a signal coupling circuit that is connected between the signal coupling circuit and the signal generation circuit, and that the voltage supplied from the signal coupling circuit is and a signal connection circuit that disconnects the monitoring AC signal connected from the signal generation circuit to the signal coupling circuit at the time of switching from V 2 to V 1 . Separate type communication device with special features.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988118572U JPH0241537U (en) | 1988-09-09 | 1988-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988118572U JPH0241537U (en) | 1988-09-09 | 1988-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0241537U true JPH0241537U (en) | 1990-03-22 |
Family
ID=31363033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988118572U Pending JPH0241537U (en) | 1988-09-09 | 1988-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241537U (en) |
-
1988
- 1988-09-09 JP JP1988118572U patent/JPH0241537U/ja active Pending