FR431651A - Automatic safety signal for railway tracks - Google Patents
Automatic safety signal for railway tracksInfo
- Publication number
- FR431651A FR431651A FR431651DA FR431651A FR 431651 A FR431651 A FR 431651A FR 431651D A FR431651D A FR 431651DA FR 431651 A FR431651 A FR 431651A
- Authority
- FR
- France
- Prior art keywords
- safety signal
- automatic safety
- railway tracks
- railway
- tracks
- 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR431651T | 1911-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR431651A true FR431651A (en) | 1911-11-16 |
Family
ID=1473799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR431651D Expired FR431651A (en) | 1911-06-27 | 1911-06-27 | Automatic safety signal for railway tracks |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR431651A (en) |
-
1911
- 1911-06-27 FR FR431651D patent/FR431651A/en not_active Expired
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