FR407454A - Signal device for railways - Google Patents
Signal device for railwaysInfo
- Publication number
- FR407454A FR407454A FR407454DA FR407454A FR 407454 A FR407454 A FR 407454A FR 407454D A FR407454D A FR 407454DA FR 407454 A FR407454 A FR 407454A
- Authority
- FR
- France
- Prior art keywords
- railways
- signal device
- 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
- 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 |
---|---|---|---|
FR407454T | 1909-09-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR407454A true FR407454A (en) | 1910-03-01 |
Family
ID=1451759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR407454D Expired FR407454A (en) | 1909-09-29 | 1909-09-29 | Signal device for railways |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR407454A (en) |
-
1909
- 1909-09-29 FR FR407454D patent/FR407454A/en not_active Expired
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