FR853863A - - Google Patents
Info
- Publication number
- FR853863A FR853863A FR853863DA FR853863A FR 853863 A FR853863 A FR 853863A FR 853863D A FR853863D A FR 853863DA FR 853863 A FR853863 A FR 853863A
- Authority
- FR
- France
- 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
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- 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
- B61L3/08—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 electrically
- B61L3/10—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 electrically using current passing between devices along the route and devices on the vehicle or train
- B61L3/103—Details of current transmitting conductors or contact brushes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
FR853863A true FR853863A (xx) | 1940-03-30 |
Family
ID=1555023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR853863D Expired FR853863A (xx) |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR853863A (xx) |
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0
- FR FR853863D patent/FR853863A/fr not_active Expired