BE415284A - - Google Patents
Info
- Publication number
- BE415284A BE415284A BE415284DA BE415284A BE 415284 A BE415284 A BE 415284A BE 415284D A BE415284D A BE 415284DA BE 415284 A BE415284 A BE 415284A
- Authority
- BE
- Belgium
- Prior art keywords
- tube
- vehicle
- passage
- photoelectric cell
- lamp
- Prior art date
Links
- 230000004907 flux Effects 0.000 claims description 8
- 230000001276 controlling effect Effects 0.000 description 2
- 235000019687 Lamb Nutrition 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/02—Detecting movement of traffic to be counted or controlled using treadles built into the road
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
- Road Signs Or Road Markings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE415284T | 1936-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE415284A true BE415284A (pm) | 1936-05-30 |
Family
ID=33480044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE415284D BE415284A (pm) | 1936-04-30 | 1936-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE415284A (pm) |
-
1936
- 1936-04-30 BE BE415284D patent/BE415284A/fr unknown
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