FR696012A - Appareils de protection pour les chemins de fer - Google Patents
Appareils de protection pour les chemins de ferInfo
- Publication number
- FR696012A FR696012A FR696012DA FR696012A FR 696012 A FR696012 A FR 696012A FR 696012D A FR696012D A FR 696012DA FR 696012 A FR696012 A FR 696012A
- Authority
- FR
- France
- Prior art keywords
- railways
- protective devices
- protective
- devices
- 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
- 230000001681 protective effect Effects 0.000 title 1
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 |
|---|---|---|---|
| FR696012T | 1930-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR696012A true FR696012A (fr) | 1930-12-24 |
Family
ID=9046440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR696012D Expired FR696012A (fr) | 1930-05-23 | 1930-05-23 | Appareils de protection pour les chemins de fer |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR696012A (fr) |
-
1930
- 1930-05-23 FR FR696012D patent/FR696012A/fr not_active Expired
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