JPS554210A - Train access alarm - Google Patents
Train access alarmInfo
- Publication number
- JPS554210A JPS554210A JP7552278A JP7552278A JPS554210A JP S554210 A JPS554210 A JP S554210A JP 7552278 A JP7552278 A JP 7552278A JP 7552278 A JP7552278 A JP 7552278A JP S554210 A JPS554210 A JP S554210A
- Authority
- JP
- Japan
- Prior art keywords
- train access
- access alarm
- alarm
- train
- access
- 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7552278A JPS554210A (en) | 1978-06-23 | 1978-06-23 | Train access alarm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7552278A JPS554210A (en) | 1978-06-23 | 1978-06-23 | Train access alarm |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS554210A true JPS554210A (en) | 1980-01-12 |
Family
ID=13578639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7552278A Pending JPS554210A (en) | 1978-06-23 | 1978-06-23 | Train access alarm |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS554210A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0438597A (en) * | 1990-06-04 | 1992-02-07 | East Japan Railway Co | Radio communicating system |
JPH0449565U (en) * | 1990-09-04 | 1992-04-27 |
-
1978
- 1978-06-23 JP JP7552278A patent/JPS554210A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0438597A (en) * | 1990-06-04 | 1992-02-07 | East Japan Railway Co | Radio communicating system |
JP2875593B2 (en) * | 1990-06-04 | 1999-03-31 | 東日本旅客鉄道株式会社 | Wireless communication system |
JPH0449565U (en) * | 1990-09-04 | 1992-04-27 |
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