BE400843A - - Google Patents
Info
- Publication number
- BE400843A BE400843A BE400843DA BE400843A BE 400843 A BE400843 A BE 400843A BE 400843D A BE400843D A BE 400843DA BE 400843 A BE400843 A BE 400843A
- Authority
- BE
- Belgium
- Prior art keywords
- winding
- contact
- armature
- convoy
- mercury
- Prior art date
Links
- 230000011664 signaling Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 description 10
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
- 229910052753 mercury Inorganic materials 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L29/00—Safety means for rail/road crossing traffic
- B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
- B61L29/28—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
- B61L29/284—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated using rail-contacts, rail microphones, or the like, controlled by the vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE400843A true BE400843A (https=) |
Family
ID=66884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE400843D BE400843A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE400843A (https=) |
-
0
- BE BE400843D patent/BE400843A/fr unknown
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