FR939652A - Signal de chemin de fer - Google Patents
Signal de chemin de ferInfo
- Publication number
- FR939652A FR939652A FR939652DA FR939652A FR 939652 A FR939652 A FR 939652A FR 939652D A FR939652D A FR 939652DA FR 939652 A FR939652 A FR 939652A
- Authority
- FR
- France
- Prior art keywords
- railway signal
- railway
- signal
- 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
- B61L3/12—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 magnetic or electrostatic induction; using radio waves
- B61L3/121—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 magnetic or electrostatic induction; using radio waves using magnetic induction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH939652X | 1946-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR939652A true FR939652A (fr) | 1948-11-22 |
Family
ID=4549314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR939652D Expired FR939652A (fr) | 1946-02-02 | 1947-01-10 | Signal de chemin de fer |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR939652A (fr) |
-
1947
- 1947-01-10 FR FR939652D patent/FR939652A/fr not_active Expired
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