FR3248E - Automatic signals for electrical tracks - Google Patents
Automatic signals for electrical tracksInfo
- Publication number
- FR3248E FR3248E FR3248DA FR3248E FR 3248 E FR3248 E FR 3248E FR 3248D A FR3248D A FR 3248DA FR 3248 E FR3248 E FR 3248E
- Authority
- FR
- France
- Prior art keywords
- electrical tracks
- automatic signals
- automatic
- signals
- 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
- B61L3/08—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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR339743T | 1904-01-20 | ||
| FR3248T | 1904-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR3248E true FR3248E (en) | 1904-10-04 |
Family
ID=1346273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR3248D Expired FR3248E (en) | 1904-01-20 | 1904-05-17 | Automatic signals for electrical tracks |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR3248E (en) |
-
1904
- 1904-05-17 FR FR3248D patent/FR3248E/en not_active Expired
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