BE387183A - - Google Patents
Info
- Publication number
- BE387183A BE387183A BE387183DA BE387183A BE 387183 A BE387183 A BE 387183A BE 387183D A BE387183D A BE 387183DA BE 387183 A BE387183 A BE 387183A
- Authority
- BE
- Belgium
- Prior art keywords
- contacts
- circuit
- contact
- winding
- switch
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims description 46
- 230000009471 action Effects 0.000 claims description 29
- 239000004020 conductor Substances 0.000 claims description 16
- 229910052753 mercury Inorganic materials 0.000 claims description 16
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 11
- 230000005284 excitation Effects 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000011664 signaling Effects 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 2
- 241000383675 Trama Species 0.000 claims 1
- 239000003990 capacitor Substances 0.000 claims 1
- 230000001143 conditioned effect Effects 0.000 claims 1
- 230000009977 dual effect Effects 0.000 claims 1
- 230000006870 function Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- FPIPGXGPPPQFEQ-OVSJKPMPSA-N all-trans-retinol Chemical compound OC\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C FPIPGXGPPPQFEQ-OVSJKPMPSA-N 0.000 description 2
- 238000003287 bathing Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000011717 all-trans-retinol Substances 0.000 description 1
- 235000019169 all-trans-retinol Nutrition 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 235000021384 green leafy vegetables Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000000717 retained 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
- 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 |
|---|---|
| BE387183A true BE387183A (https=) |
Family
ID=55691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE387183D BE387183A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE387183A (https=) |
-
0
- BE BE387183D patent/BE387183A/fr unknown
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