BE417987A - - Google Patents
Info
- Publication number
- BE417987A BE417987A BE417987DA BE417987A BE 417987 A BE417987 A BE 417987A BE 417987D A BE417987D A BE 417987DA BE 417987 A BE417987 A BE 417987A
- Authority
- BE
- Belgium
- Prior art keywords
- specified
- posts
- barrier
- signaling device
- bells
- Prior art date
Links
- 230000004888 barrier function Effects 0.000 claims description 8
- 230000011664 signaling Effects 0.000 claims description 7
- 206010011878 Deafness Diseases 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 2
- 230000000295 complement effect Effects 0.000 claims 1
- 230000003137 locomotive effect Effects 0.000 description 6
- 210000000038 chest Anatomy 0.000 description 2
- 231100000895 deafness Toxicity 0.000 description 1
- 208000016354 hearing loss disease Diseases 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 210000003462 vein Anatomy 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
- B61L29/32—Timing, e.g. advance warning of approaching train
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE417987A true BE417987A (enEXAMPLES) |
Family
ID=80585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE417987D BE417987A (enEXAMPLES) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE417987A (enEXAMPLES) |
-
0
- BE BE417987D patent/BE417987A/fr unknown
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