FR450546A - Signal automatique - Google Patents
Signal automatiqueInfo
- Publication number
- FR450546A FR450546A FR450546DA FR450546A FR 450546 A FR450546 A FR 450546A FR 450546D A FR450546D A FR 450546DA FR 450546 A FR450546 A FR 450546A
- Authority
- FR
- France
- Prior art keywords
- automatic signal
- automatic
- 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
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/04—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling mechanically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE450546X | 1912-09-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR450546A true FR450546A (fr) | 1913-03-27 |
Family
ID=1490958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR450546D Expired FR450546A (fr) | 1912-09-20 | 1912-10-29 | Signal automatique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR450546A (fr) |
-
1912
- 1912-10-29 FR FR450546D patent/FR450546A/fr not_active Expired
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