FR418807A - Safety device for railway tracks - Google Patents
Safety device for railway tracksInfo
- Publication number
- FR418807A FR418807A FR418807DA FR418807A FR 418807 A FR418807 A FR 418807A FR 418807D A FR418807D A FR 418807DA FR 418807 A FR418807 A FR 418807A
- Authority
- FR
- France
- Prior art keywords
- safety device
- railway tracks
- railway
- tracks
- safety
- 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
- B61L3/08—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 electrically
- B61L3/10—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 electrically using current passing between devices along the route and devices on the vehicle or train
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR418807T | 1910-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR418807A true FR418807A (en) | 1910-12-20 |
Family
ID=1462091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR418807D Expired FR418807A (en) | 1910-07-30 | 1910-07-30 | Safety device for railway tracks |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR418807A (en) |
-
1910
- 1910-07-30 FR FR418807D patent/FR418807A/en not_active Expired
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