FR411067A - Electric signal for railways - Google Patents
Electric signal for railwaysInfo
- Publication number
- FR411067A FR411067A FR411067DA FR411067A FR 411067 A FR411067 A FR 411067A FR 411067D A FR411067D A FR 411067DA FR 411067 A FR411067 A FR 411067A
- Authority
- FR
- France
- Prior art keywords
- railways
- electric signal
- electric
- 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
- 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
- B61L5/166—Local operating mechanisms for form signals using electrically controlled gravity operated driving means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR411067T | 1909-10-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR411067A true FR411067A (en) | 1910-06-07 |
Family
ID=1455047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR411067D Expired FR411067A (en) | 1909-10-30 | 1909-10-30 | Electric signal for railways |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR411067A (en) |
-
1909
- 1909-10-30 FR FR411067D patent/FR411067A/en not_active Expired
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