JPH0423573U - - Google Patents
Info
- Publication number
- JPH0423573U JPH0423573U JP6626090U JP6626090U JPH0423573U JP H0423573 U JPH0423573 U JP H0423573U JP 6626090 U JP6626090 U JP 6626090U JP 6626090 U JP6626090 U JP 6626090U JP H0423573 U JPH0423573 U JP H0423573U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- section
- antenna
- automatic
- surveillance camera
- 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
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims 2
- 230000004913 activation Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Closed-Circuit Television Systems (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Description
第１図は本考案による踏切監視装置の一実施例
の要部ブロツク図である。
図中、Ａは地上装置、Ｂは車載装置、１は検出
部、２は監視カメラ、３はＲＦ変調部、４および
１１はアンテナ、５は制御部、１２はＲＦ増幅部
、１３は復調部、１４はモニタである。
FIG. 1 is a block diagram of essential parts of an embodiment of a level crossing monitoring device according to the present invention. In the figure, A is a ground device, B is an on-vehicle device, 1 is a detection unit, 2 is a surveillance camera, 3 is an RF modulation unit, 4 and 11 are antennas, 5 is a control unit, 12 is an RF amplification unit, and 13 is a demodulation unit , 14 is a monitor.
Claims (1)
えた鉄道線路等の踏切に設けられ、踏切内を撮像
する監視カメラと、この監視カメラよりの映像信
号を高周波信号に変換するＲＦ変調部と、ＲＦ変
調部よりの信号を放射する第１アンテナと、前記
監視カメラおよびＲＦ変調部を制御する制御部と
でなる地上装置と、列車等に設置され、前記第１
アンテナよりの信号を受信する第２アンテナと、
第２アンテナよりの信号を選択増幅するＲＦ増幅
部と、ＲＦ増幅部よりの信号を映像信号に復調す
る復調部と、復調部よりの映像信号を画面に映出
するモニタとでなる車載装置とで構成され、前記
制御部は踏切自動遮断機若しくは踏切自動警報機
等の作動信号に基づいて指令信号を発し、前記地
上装置を作動させるようにしたことを特徴とする
踏切監視装置。 A surveillance camera installed at a railroad crossing, such as a railroad track, equipped with an automatic railroad crossing barrier or an automatic railroad crossing warning device, to image the inside of the railroad crossing, an RF modulation unit that converts a video signal from the surveillance camera into a high-frequency signal, and an RF a ground device including a first antenna that emits a signal from the modulation section; a control section that controls the surveillance camera and the RF modulation section;
a second antenna that receives a signal from the antenna;
An in-vehicle device comprising an RF amplification section that selectively amplifies a signal from a second antenna, a demodulation section that demodulates the signal from the RF amplification section into a video signal, and a monitor that displays the video signal from the demodulation section on a screen. A level crossing monitoring device, characterized in that the control unit issues a command signal based on an activation signal of an automatic level crossing barrier, an automatic level crossing alarm, etc., and operates the ground device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6626090U JPH0423573U (en) | 1990-06-21 | 1990-06-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6626090U JPH0423573U (en) | 1990-06-21 | 1990-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0423573U true JPH0423573U (en) | 1992-02-26 |
Family
ID=31598821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6626090U Pending JPH0423573U (en) | 1990-06-21 | 1990-06-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0423573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0618139U (en) * | 1992-08-21 | 1994-03-08 | 日本信号株式会社 | Warning device for railroad crossings |
-
1990
- 1990-06-21 JP JP6626090U patent/JPH0423573U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0618139U (en) * | 1992-08-21 | 1994-03-08 | 日本信号株式会社 | Warning device for railroad crossings |
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