FR934698A - Perfectionnements apportés aux moyens de sécurité pour chemins de fer - Google Patents
Perfectionnements apportés aux moyens de sécurité pour chemins de ferInfo
- Publication number
- FR934698A FR934698A FR934698DA FR934698A FR 934698 A FR934698 A FR 934698A FR 934698D A FR934698D A FR 934698DA FR 934698 A FR934698 A FR 934698A
- Authority
- FR
- France
- Prior art keywords
- safety equipment
- railway safety
- railway
- equipment
- 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 |
|---|---|---|---|
| FR934698T | 1946-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR934698A true FR934698A (fr) | 1948-05-28 |
Family
ID=9456333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR934698D Expired FR934698A (fr) | 1946-10-09 | 1946-10-09 | Perfectionnements apportés aux moyens de sécurité pour chemins de fer |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR934698A (fr) |
-
1946
- 1946-10-09 FR FR934698D patent/FR934698A/fr not_active Expired
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