BE368434A - - Google Patents
Info
- Publication number
- BE368434A BE368434A BE368434DA BE368434A BE 368434 A BE368434 A BE 368434A BE 368434D A BE368434D A BE 368434DA BE 368434 A BE368434 A BE 368434A
- Authority
- BE
- Belgium
- Prior art keywords
- rails
- microphone
- vibrations
- microphones
- train
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 230000011664 signaling Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE368434A true BE368434A (enEXAMPLES) |
Family
ID=40256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE368434D BE368434A (enEXAMPLES) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE368434A (enEXAMPLES) |
-
0
- BE BE368434D patent/BE368434A/fr unknown
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