FR341118A - Electro-magnetic device for controlling railway signals - Google Patents
Electro-magnetic device for controlling railway signalsInfo
- Publication number
- FR341118A FR341118A FR341118DA FR341118A FR 341118 A FR341118 A FR 341118A FR 341118D A FR341118D A FR 341118DA FR 341118 A FR341118 A FR 341118A
- Authority
- FR
- France
- Prior art keywords
- electro
- magnetic device
- railway signals
- controlling railway
- controlling
- 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
- B61L5/165—Local operating mechanisms for form signals using electromagnetic driving means
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR341118T | 1904-03-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR341118A true FR341118A (en) | 1904-07-30 |
Family
ID=1390197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR341118D Expired FR341118A (en) | 1904-03-11 | 1904-03-11 | Electro-magnetic device for controlling railway signals |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR341118A (en) |
-
1904
- 1904-03-11 FR FR341118D patent/FR341118A/en not_active Expired
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