JPS53119508A - Automatic radio alarm communication system - Google Patents
Automatic radio alarm communication systemInfo
- Publication number
- JPS53119508A JPS53119508A JP3373777A JP3373777A JPS53119508A JP S53119508 A JPS53119508 A JP S53119508A JP 3373777 A JP3373777 A JP 3373777A JP 3373777 A JP3373777 A JP 3373777A JP S53119508 A JPS53119508 A JP S53119508A
- Authority
- JP
- Japan
- Prior art keywords
- communication system
- alarm communication
- radio alarm
- automatic radio
- crossing
- 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
- Train Traffic Observation, Control, And Security (AREA)
Abstract
PURPOSE: To transmit an emergency signal to a train approaching a crossing through a radio alarm communication system by detecting a vehicle or the like retained in the crossing after a train approaches the crossing.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3373777A JPS53119508A (en) | 1977-03-25 | 1977-03-25 | Automatic radio alarm communication system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3373777A JPS53119508A (en) | 1977-03-25 | 1977-03-25 | Automatic radio alarm communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53119508A true JPS53119508A (en) | 1978-10-19 |
Family
ID=12394708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3373777A Pending JPS53119508A (en) | 1977-03-25 | 1977-03-25 | Automatic radio alarm communication system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53119508A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02109773A (en) * | 1988-10-19 | 1990-04-23 | Railway Technical Res Inst | Railroad crossing control method by wireless command |
-
1977
- 1977-03-25 JP JP3373777A patent/JPS53119508A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02109773A (en) * | 1988-10-19 | 1990-04-23 | Railway Technical Res Inst | Railroad crossing control method by wireless command |
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