FR474397A - Electro-mechanical system to prevent railway accidents - Google Patents
Electro-mechanical system to prevent railway accidentsInfo
- Publication number
- FR474397A FR474397A FR474397DA FR474397A FR 474397 A FR474397 A FR 474397A FR 474397D A FR474397D A FR 474397DA FR 474397 A FR474397 A FR 474397A
- Authority
- FR
- France
- Prior art keywords
- electro
- mechanical system
- railway accidents
- prevent railway
- prevent
- 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 |
|---|---|---|---|
| IT474397X | 1913-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR474397A true FR474397A (en) | 1915-02-18 |
Family
ID=1512369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR474397D Expired FR474397A (en) | 1913-06-11 | 1914-06-10 | Electro-mechanical system to prevent railway accidents |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR474397A (en) |
-
1914
- 1914-06-10 FR FR474397D patent/FR474397A/en not_active Expired
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