FR339743A - Automatic signals for electrical tracks - Google Patents
Automatic signals for electrical tracksInfo
- Publication number
- FR339743A FR339743A FR339743DA FR339743A FR 339743 A FR339743 A FR 339743A FR 339743D A FR339743D A FR 339743DA FR 339743 A FR339743 A FR 339743A
- 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR339743T | 1904-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR339743A true FR339743A (en) | 1904-06-17 |
Family
ID=1388901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR339743D Expired FR339743A (en) | 1904-01-20 | 1904-01-20 | Automatic signals for electrical tracks |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR339743A (en) |
-
1904
- 1904-01-20 FR FR339743D patent/FR339743A/en not_active Expired
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