FR1047439A - Railway signal - Google Patents
Railway signalInfo
- Publication number
- FR1047439A FR1047439A FR1047439DA FR1047439A FR 1047439 A FR1047439 A FR 1047439A FR 1047439D A FR1047439D A FR 1047439DA FR 1047439 A FR1047439 A FR 1047439A
- 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 |
---|---|---|---|
CH1047439X | 1951-02-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1047439A true FR1047439A (en) | 1953-12-14 |
Family
ID=4554675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1047439D Expired FR1047439A (en) | 1951-02-19 | 1952-01-02 | Railway signal |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1047439A (en) |
-
1952
- 1952-01-02 FR FR1047439D patent/FR1047439A/en not_active Expired
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