FR956864A - - Google Patents
Info
- Publication number
- FR956864A FR956864A FR956864DA FR956864A FR 956864 A FR956864 A FR 956864A FR 956864D A FR956864D A FR 956864DA FR 956864 A FR956864 A FR 956864A
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH270146T | 1946-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR956864A true FR956864A (es) | 1950-02-09 |
Family
ID=33480351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR956864D Expired FR956864A (es) | 1946-09-05 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2622140A (es) |
| BE (1) | BE478044A (es) |
| CH (1) | CH270146A (es) |
| FR (1) | FR956864A (es) |
| GB (1) | GB655876A (es) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2965893A (en) * | 1955-05-31 | 1960-12-20 | Eastern Ind Inc | Vehicle detector |
| US3056106A (en) * | 1958-07-14 | 1962-09-25 | Gamewell Co | Infrared detectors |
| US3042303A (en) * | 1959-04-24 | 1962-07-03 | Gen Railway Signal Co | Object or vehicle detection system |
| US3045909A (en) * | 1959-06-15 | 1962-07-24 | Gen Railway Signal Co | Pulsed ultrasonic detector |
| US3109157A (en) * | 1959-06-15 | 1963-10-29 | Gen Signal Corp | Directional traffic control system |
| US3042899A (en) * | 1959-06-16 | 1962-07-03 | Gen Railway Signal Co | Ultrasonic vehicle detection system |
| US3110007A (en) * | 1959-10-14 | 1963-11-05 | Gen Signal Corp | Ultrasonic vehicle detector |
| US3063179A (en) * | 1959-10-16 | 1962-11-13 | Gen Railway Signal Co | Vehicle parking area gate control system |
| US3046519A (en) * | 1959-10-28 | 1962-07-24 | Gen Railway Signal Co | Ultrasonic vehicle detection system |
| US3105953A (en) * | 1960-01-25 | 1963-10-01 | Gen Signal Corp | Directional sonic vehicle detector |
| US3110008A (en) * | 1960-05-09 | 1963-11-05 | Gen Signal Corp | Vehicle detection apparatus |
| US3176266A (en) * | 1960-08-12 | 1965-03-30 | Gen Signal Corp | Vehicular traffic detection system |
| US3152315A (en) * | 1961-01-27 | 1964-10-06 | Lab For Electronics Inc | Aircraft tracking and indicating system |
| US3278922A (en) * | 1963-11-14 | 1966-10-11 | Gen Electric | Position and motion detector |
| US3663937A (en) * | 1970-06-08 | 1972-05-16 | Thiokol Chemical Corp | Intersection ingress-egress automatic electronic traffic monitoring equipment |
| GB9107476D0 (en) * | 1991-04-09 | 1991-05-22 | Peek Traffic Ltd | Improvements in vehicle detection systems |
| GB2358269A (en) * | 2000-01-11 | 2001-07-18 | Roke Manor Research | Vehicle detection |
| IT1395919B1 (it) * | 2009-09-24 | 2012-11-02 | Agla Elettronica S R L | Sistema per rilevare automaticamente la presenza o assenza di oggetti in una predeterminata porzione di spazio da controllare, per esempio per rilevare i posti auto liberi o occupati in un parcheggio |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1658953A (en) * | 1924-12-11 | 1928-02-14 | Firm Of M J Goldberg | Signaling apparatus |
| US1917243A (en) * | 1929-09-13 | 1933-07-11 | Paul S Edwards | Ultra sensitive relay |
| US1898432A (en) * | 1929-10-02 | 1933-02-21 | Paul S Edwards | Reactance controlled relay |
| US2031951A (en) * | 1932-02-25 | 1936-02-25 | Bell Telephone Labor Inc | Burglar alarm system |
| US2238041A (en) * | 1939-03-03 | 1941-04-15 | Dickens Harry | Power control system |
| US2290771A (en) * | 1939-04-25 | 1942-07-21 | Rca Corp | Relay system |
-
0
- FR FR956864D patent/FR956864A/fr not_active Expired
-
1946
- 1946-09-05 CH CH270146D patent/CH270146A/de unknown
-
1947
- 1947-12-11 BE BE478044D patent/BE478044A/xx unknown
- 1947-12-23 GB GB34075/47A patent/GB655876A/en not_active Expired
-
1948
- 1948-02-27 US US11464A patent/US2622140A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH270146A (de) | 1950-08-15 |
| GB655876A (en) | 1951-08-08 |
| BE478044A (es) | 1948-01-31 |
| US2622140A (en) | 1952-12-16 |