FR4524E - Device to prevent railway accidents - Google Patents
Device to prevent railway accidentsInfo
- Publication number
- FR4524E FR4524E FR4524DA FR4524E FR 4524 E FR4524 E FR 4524E FR 4524D A FR4524D A FR 4524DA FR 4524 E FR4524 E FR 4524E
- Authority
- FR
- France
- Prior art keywords
- railway accidents
- prevent railway
- prevent
- accidents
- railway
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/04—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling mechanically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR326574T | 1902-11-21 | ||
| FR4524T | 1905-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR4524E true FR4524E (en) | 1905-08-26 |
Family
ID=1347679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR4524D Expired FR4524E (en) | 1902-11-21 | 1905-02-27 | Device to prevent railway accidents |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR4524E (en) |
-
1905
- 1905-02-27 FR FR4524D patent/FR4524E/en not_active Expired
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