FR543515A - Electrical signaling device for railways and others - Google Patents
Electrical signaling device for railways and othersInfo
- Publication number
- FR543515A FR543515A FR543515DA FR543515A FR 543515 A FR543515 A FR 543515A FR 543515D A FR543515D A FR 543515DA FR 543515 A FR543515 A FR 543515A
- Authority
- FR
- France
- Prior art keywords
- railways
- signaling device
- electrical signaling
- electrical
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/12—Visible signals
- B61L5/14—Form signals, e.g. semaphore arms
- B61L5/16—Local operating mechanisms for form signals
- B61L5/161—Local operating mechanisms for form signals using electromotive driving means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR543515T | 1921-11-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR543515A true FR543515A (en) | 1922-09-05 |
Family
ID=8931666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR543515D Expired FR543515A (en) | 1921-11-12 | 1921-11-12 | Electrical signaling device for railways and others |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR543515A (en) |
-
1921
- 1921-11-12 FR FR543515D patent/FR543515A/en not_active Expired
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