FR425179A - Warning device for railways - Google Patents
Warning device for railwaysInfo
- Publication number
- FR425179A FR425179A FR425179DA FR425179A FR 425179 A FR425179 A FR 425179A FR 425179D A FR425179D A FR 425179DA FR 425179 A FR425179 A FR 425179A
- Authority
- FR
- France
- Prior art keywords
- railways
- warning device
- warning
- 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 |
|---|---|---|---|
| FR425179T | 1911-01-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR425179A true FR425179A (en) | 1911-06-03 |
Family
ID=1467856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR425179D Expired FR425179A (en) | 1911-01-24 | 1911-01-24 | Warning device for railways |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR425179A (en) |
-
1911
- 1911-01-24 FR FR425179D patent/FR425179A/en not_active Expired
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