GB616534A - Traffic detection apparatus - Google Patents
Traffic detection apparatusInfo
- Publication number
- GB616534A GB616534A GB18645/46A GB1864546A GB616534A GB 616534 A GB616534 A GB 616534A GB 18645/46 A GB18645/46 A GB 18645/46A GB 1864546 A GB1864546 A GB 1864546A GB 616534 A GB616534 A GB 616534A
- Authority
- GB
- United Kingdom
- Prior art keywords
- horn
- wave
- traffic
- vehicle
- guides
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000001514 detection method Methods 0.000 title 1
- 230000035559 beat frequency Effects 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000000644 propagated effect Effects 0.000 abstract 1
- 230000001052 transient effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US616534XA | 1944-06-29 | 1944-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB616534A true GB616534A (en) | 1949-01-24 |
Family
ID=22037206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB18645/46A Expired GB616534A (en) | 1944-06-29 | 1945-07-20 | Traffic detection apparatus |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR955390A (enrdf_load_stackoverflow) |
| GB (1) | GB616534A (enrdf_load_stackoverflow) |
-
0
- FR FR955390D patent/FR955390A/fr not_active Expired
-
1945
- 1945-07-20 GB GB18645/46A patent/GB616534A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR955390A (enrdf_load_stackoverflow) | 1950-01-14 |
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