FR790708A - Safety device for trains - Google Patents
Safety device for trainsInfo
- Publication number
- FR790708A FR790708A FR790708DA FR790708A FR 790708 A FR790708 A FR 790708A FR 790708D A FR790708D A FR 790708DA FR 790708 A FR790708 A FR 790708A
- Authority
- FR
- France
- Prior art keywords
- trains
- safety device
- safety
- 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 |
|---|---|---|---|
| FR790708T | 1934-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR790708A true FR790708A (en) | 1935-11-26 |
Family
ID=9223367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR790708D Expired FR790708A (en) | 1934-08-25 | 1934-08-25 | Safety device for trains |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR790708A (en) |
-
1934
- 1934-08-25 FR FR790708D patent/FR790708A/en not_active Expired
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