FR499675A - - Google Patents
Info
- Publication number
- FR499675A FR499675A FR499675DA FR499675A FR 499675 A FR499675 A FR 499675A FR 499675D A FR499675D A FR 499675DA FR 499675 A FR499675 A FR 499675A
- Authority
- FR
- France
- 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
- B61L3/16—Continuous control along the route
- B61L3/22—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation
- B61L3/225—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation using separate conductors along the route
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR499675A true FR499675A (ref) | 1920-02-18 |
Family
ID=1534678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR499675D Expired FR499675A (ref) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR499675A (ref) |
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0
- FR FR499675D patent/FR499675A/fr not_active Expired