FR679521A - Signaling device for railways - Google Patents
Signaling device for railwaysInfo
- Publication number
- FR679521A FR679521A FR679521DA FR679521A FR 679521 A FR679521 A FR 679521A FR 679521D A FR679521D A FR 679521DA FR 679521 A FR679521 A FR 679521A
- Authority
- FR
- France
- Prior art keywords
- railways
- signaling device
- signaling
- 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
- 230000011664 signaling Effects 0.000 title 1
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 |
|---|---|---|---|
| FR679521T | 1929-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR679521A true FR679521A (en) | 1930-04-14 |
Family
ID=9021727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR679521D Expired FR679521A (en) | 1929-07-29 | 1929-07-29 | Signaling device for railways |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR679521A (en) |
-
1929
- 1929-07-29 FR FR679521D patent/FR679521A/en not_active Expired
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