FR2329038B1 - - Google Patents
Info
- Publication number
- FR2329038B1 FR2329038B1 FR7532383A FR7532383A FR2329038B1 FR 2329038 B1 FR2329038 B1 FR 2329038B1 FR 7532383 A FR7532383 A FR 7532383A FR 7532383 A FR7532383 A FR 7532383A FR 2329038 B1 FR2329038 B1 FR 2329038B1
- Authority
- FR
- France
- 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
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
- G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
-
- 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
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7532383A FR2329038A2 (en) | 1975-10-22 | 1975-10-22 | Traffic control monitoring unit - photocells generate pulse rates for determination of speed, number and length of vehicles |
DE19752557185 DE2557185A1 (en) | 1974-12-26 | 1975-12-18 | Traffic control monitoring unit - photocells generate pulse rates for determination of speed, number and length of vehicles |
IT3074075A IT1051937B (en) | 1974-12-26 | 1975-12-23 | ROAD TRAFFIC DETECTION DEVICE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7532383A FR2329038A2 (en) | 1975-10-22 | 1975-10-22 | Traffic control monitoring unit - photocells generate pulse rates for determination of speed, number and length of vehicles |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2329038A2 FR2329038A2 (en) | 1977-05-20 |
FR2329038B1 true FR2329038B1 (en) | 1980-11-21 |
Family
ID=9161530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7532383A Granted FR2329038A2 (en) | 1974-12-26 | 1975-10-22 | Traffic control monitoring unit - photocells generate pulse rates for determination of speed, number and length of vehicles |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2329038A2 (en) |
-
1975
- 1975-10-22 FR FR7532383A patent/FR2329038A2/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2329038A2 (en) | 1977-05-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |