FR2270726A1 - Vehicle detector for traffic flow studies - has progressive and regressive counters for vehicles detected and transfer memory - Google Patents
Vehicle detector for traffic flow studies - has progressive and regressive counters for vehicles detected and transfer memoryInfo
- Publication number
- FR2270726A1 FR2270726A1 FR7412412A FR7412412A FR2270726A1 FR 2270726 A1 FR2270726 A1 FR 2270726A1 FR 7412412 A FR7412412 A FR 7412412A FR 7412412 A FR7412412 A FR 7412412A FR 2270726 A1 FR2270726 A1 FR 2270726A1
- Authority
- FR
- France
- Prior art keywords
- counter
- regressive
- progressive
- traffic flow
- counters
- 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.)
- Granted
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
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7412412A FR2270726A1 (en) | 1974-04-09 | 1974-04-09 | Vehicle detector for traffic flow studies - has progressive and regressive counters for vehicles detected and transfer memory |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7412412A FR2270726A1 (en) | 1974-04-09 | 1974-04-09 | Vehicle detector for traffic flow studies - has progressive and regressive counters for vehicles detected and transfer memory |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2270726A1 true FR2270726A1 (en) | 1975-12-05 |
FR2270726B1 FR2270726B1 (fr) | 1978-08-11 |
Family
ID=9137444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7412412A Granted FR2270726A1 (en) | 1974-04-09 | 1974-04-09 | Vehicle detector for traffic flow studies - has progressive and regressive counters for vehicles detected and transfer memory |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2270726A1 (fr) |
-
1974
- 1974-04-09 FR FR7412412A patent/FR2270726A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2270726B1 (fr) | 1978-08-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3757167A (en) | Revolutions measuring instrument | |
US3868570A (en) | Electronic digital speedometer | |
US3738750A (en) | Doppler shift laser velocimeter data processor | |
FR2270726A1 (en) | Vehicle detector for traffic flow studies - has progressive and regressive counters for vehicles detected and transfer memory | |
GB1091541A (en) | Driver training apparatus | |
US3678468A (en) | Digital data storage system | |
SU1274126A1 (ru) | Управл емый генератор импульсных последовательностей | |
SU369541A1 (ru) | УСТРОЙСТВО дл ИЗМЕРЕНИЯ ВРЕМЕНИ РАЗГОНА НОСИТЕЛЯ ИНФОРМАЦИИ | |
SU1377908A2 (ru) | Устройство дл измерени максимального и минимального периодов следовани сигналов | |
SU913325A1 (ru) | Цифровой измеритель временных интервалов цифровой магнитной записи 1 | |
GB968008A (en) | An electronic distance measuring device | |
SU920568A1 (ru) | Устройство дл измерени времени переходных процессов | |
SU1193658A1 (ru) | Устройство дл сравнени двоичных чисел | |
SU453722A1 (ru) | УСТРОЙСТВО ДЛЯ ПОДСЧЕТА ИМПУЛЬСОВФ|R П т г:L—•' I \ 3 ;-^Ш €;-5Л--^г«!s3^4 C-^-.'^.J- | |
RU2018140C1 (ru) | Устройство для измерения уровня напряжения | |
SU1026296A1 (ru) | Цифро-частотный умножитель | |
SU635435A1 (ru) | Устройство дл измерени разности двух временных интервалов | |
SU1449982A1 (ru) | Генератор функций Хаара | |
SU447637A1 (ru) | Цифровой частотомер | |
SU1451842A2 (ru) | Формирователь пачек импульсов с измен ющейс частотой следовани импульсов в пачке | |
SU733100A1 (ru) | Устройство дл определени длительности переходного процесса | |
SU533905A1 (ru) | Цифровой, усредн ющий измеритель временных интервалов | |
SU690405A2 (ru) | Цифровой процентный частотомер | |
GB901465A (en) | An arrangement for digitally counting electric pulses | |
SU1091074A2 (ru) | Цифровой измеритель скорости перемещени |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |