BE470994A - - Google Patents
Info
- Publication number
- BE470994A BE470994A BE470994DA BE470994A BE 470994 A BE470994 A BE 470994A BE 470994D A BE470994D A BE 470994DA BE 470994 A BE470994 A BE 470994A
- Authority
- BE
- Belgium
- Prior art keywords
- relay
- signal
- polarity
- light
- circuit
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
- B61L23/14—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only automatically operated
- B61L23/16—Track circuits specially adapted for section blocking
- B61L23/161—Track circuits specially adapted for section blocking using current of indifferent sorte or a combination of different current types
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
- B61L23/14—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only automatically operated
- B61L23/16—Track circuits specially adapted for section blocking
- B61L23/163—Track circuits specially adapted for section blocking using direct current
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE470994A true BE470994A (instruction) |
Family
ID=120995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE470994D BE470994A (instruction) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE470994A (instruction) |
-
0
- BE BE470994D patent/BE470994A/fr unknown
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