FR486399A - Signal device for railways - Google Patents
Signal device for railwaysInfo
- Publication number
- FR486399A FR486399A FR486399DA FR486399A FR 486399 A FR486399 A FR 486399A FR 486399D A FR486399D A FR 486399DA FR 486399 A FR486399 A FR 486399A
- Authority
- FR
- France
- Prior art keywords
- railways
- signal device
- 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
- B61L3/04—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 mechanically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB486399X | 1916-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR486399A true FR486399A (en) | 1918-03-28 |
Family
ID=1523006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR486399D Expired FR486399A (en) | 1916-08-28 | 1917-08-08 | Signal device for railways |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR486399A (en) |
-
1917
- 1917-08-08 FR FR486399D patent/FR486399A/en not_active Expired
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