FR543236A - Dispositif avertisseur - Google Patents
Dispositif avertisseurInfo
- Publication number
- FR543236A FR543236A FR543236DA FR543236A FR 543236 A FR543236 A FR 543236A FR 543236D A FR543236D A FR 543236DA FR 543236 A FR543236 A FR 543236A
- Authority
- FR
- France
- Prior art keywords
- 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
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/02—Electric devices associated with track, e.g. rail contacts
- B61L1/04—Electric devices associated with track, e.g. rail contacts mechanically actuated by a part of the vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR543236T | 1921-10-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR543236A true FR543236A (fr) | 1922-08-29 |
Family
ID=8931464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR543236D Expired FR543236A (fr) | 1921-10-05 | 1921-10-05 | Dispositif avertisseur |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR543236A (fr) |
-
1921
- 1921-10-05 FR FR543236D patent/FR543236A/fr not_active Expired
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