FR336552A - Improvements to railway signals - Google Patents
Improvements to railway signalsInfo
- Publication number
- FR336552A FR336552A FR336552DA FR336552A FR 336552 A FR336552 A FR 336552A FR 336552D A FR336552D A FR 336552DA FR 336552 A FR336552 A FR 336552A
- Authority
- FR
- France
- Prior art keywords
- railway signals
- railway
- signals
- 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 |
|---|---|---|---|
| FR336552T | 1903-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR336552A true FR336552A (en) | 1904-03-12 |
Family
ID=1385960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR336552D Expired FR336552A (en) | 1903-11-13 | 1903-11-13 | Improvements to railway signals |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR336552A (en) |
-
1903
- 1903-11-13 FR FR336552D patent/FR336552A/en not_active Expired
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