JPS5747250A - Alarm device for approach of train - Google Patents
Alarm device for approach of trainInfo
- Publication number
- JPS5747250A JPS5747250A JP12135880A JP12135880A JPS5747250A JP S5747250 A JPS5747250 A JP S5747250A JP 12135880 A JP12135880 A JP 12135880A JP 12135880 A JP12135880 A JP 12135880A JP S5747250 A JPS5747250 A JP S5747250A
- Authority
- JP
- Japan
- Prior art keywords
- train
- approach
- alarm 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
- Train Traffic Observation, Control, And Security (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12135880A JPS5747250A (en) | 1980-09-01 | 1980-09-01 | Alarm device for approach of train |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12135880A JPS5747250A (en) | 1980-09-01 | 1980-09-01 | Alarm device for approach of train |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5747250A true JPS5747250A (en) | 1982-03-18 |
Family
ID=14809282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12135880A Pending JPS5747250A (en) | 1980-09-01 | 1980-09-01 | Alarm device for approach of train |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5747250A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6316263U (en) * | 1986-07-18 | 1988-02-03 | ||
JPH01271088A (en) * | 1988-04-22 | 1989-10-30 | Mitsubishi Electric Corp | Laser beam machine |
JPH04365810A (en) * | 1991-06-13 | 1992-12-17 | Nissan Motor Co Ltd | Working head for laser beam hardening |
JPH04371514A (en) * | 1991-06-18 | 1992-12-24 | Nissan Motor Co Ltd | Laser beam quenching method |
JPH0853066A (en) * | 1994-08-12 | 1996-02-27 | Nippon Denki Ido Tsushin Kk | Train approach alarm system |
-
1980
- 1980-09-01 JP JP12135880A patent/JPS5747250A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6316263U (en) * | 1986-07-18 | 1988-02-03 | ||
JPH01271088A (en) * | 1988-04-22 | 1989-10-30 | Mitsubishi Electric Corp | Laser beam machine |
JPH04365810A (en) * | 1991-06-13 | 1992-12-17 | Nissan Motor Co Ltd | Working head for laser beam hardening |
JPH04371514A (en) * | 1991-06-18 | 1992-12-24 | Nissan Motor Co Ltd | Laser beam quenching method |
JPH0853066A (en) * | 1994-08-12 | 1996-02-27 | Nippon Denki Ido Tsushin Kk | Train approach alarm system |
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