FR440441A - Système avertisseur de disque fermé - Google Patents
Système avertisseur de disque ferméInfo
- Publication number
- FR440441A FR440441A FR440441DA FR440441A FR 440441 A FR440441 A FR 440441A FR 440441D A FR440441D A FR 440441DA FR 440441 A FR440441 A FR 440441A
- Authority
- FR
- France
- Prior art keywords
- warning system
- closed disc
- disc warning
- closed
- warning
- 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 |
|---|---|---|---|
| FR440441T | 1911-05-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR440441A true FR440441A (fr) | 1912-07-10 |
Family
ID=1481794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR440441D Expired FR440441A (fr) | 1911-05-03 | 1911-05-03 | Système avertisseur de disque fermé |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR440441A (fr) |
-
1911
- 1911-05-03 FR FR440441D patent/FR440441A/fr not_active Expired
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