FR1517237A - Détecteur de véhicules - Google Patents
Détecteur de véhiculesInfo
- Publication number
- FR1517237A FR1517237A FR100611A FR100611A FR1517237A FR 1517237 A FR1517237 A FR 1517237A FR 100611 A FR100611 A FR 100611A FR 100611 A FR100611 A FR 100611A FR 1517237 A FR1517237 A FR 1517237A
- Authority
- FR
- France
- Prior art keywords
- vehicle detector
- detector
- vehicle
- 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
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
- G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
- Emergency Alarm Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US53825666A | 1966-03-29 | 1966-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1517237A true FR1517237A (fr) | 1968-03-15 |
Family
ID=24146140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR100611A Expired FR1517237A (fr) | 1966-03-29 | 1967-03-29 | Détecteur de véhicules |
Country Status (4)
Country | Link |
---|---|
US (1) | US3500310A (fr) |
DE (1) | DE1574124B1 (fr) |
FR (1) | FR1517237A (fr) |
GB (1) | GB1137038A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3582932A (en) * | 1968-10-11 | 1971-06-01 | Bell Inc F W | Magnetic-field-responsive proximity detector apparatus |
US3571789A (en) * | 1968-11-21 | 1971-03-23 | Lfe Corp | Vehicle presence loop detector |
US3683351A (en) * | 1970-01-07 | 1972-08-08 | Merton F Wilcox | Presence detector |
US3911389A (en) * | 1974-03-21 | 1975-10-07 | Us Transport | Magnetic gradient vehicle detector |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2620383A (en) * | 1948-09-23 | 1952-12-02 | Northern Electric Co | Signaling system |
US2917732A (en) * | 1957-03-22 | 1959-12-15 | Librascope Inc | Detector for indicating presence of objects |
US2983852A (en) * | 1957-10-31 | 1961-05-09 | Rca Corp | Object detection system |
US3205352A (en) * | 1961-08-04 | 1965-09-07 | Gen Precision Inc | Presence detector |
US3222637A (en) * | 1962-09-12 | 1965-12-07 | Rca Corp | Detection apparatus |
US3233234A (en) * | 1963-03-09 | 1966-02-01 | Ferranti Packard Ltd | Vehicle detector with battery storage element |
US3286101A (en) * | 1963-10-16 | 1966-11-15 | Massachusetts Inst Technology | Sample and hold circuit |
-
1966
- 1966-03-29 US US538256A patent/US3500310A/en not_active Expired - Lifetime
-
1967
- 1967-03-14 GB GB12032/67A patent/GB1137038A/en not_active Expired
- 1967-03-21 DE DE19671574124 patent/DE1574124B1/de not_active Withdrawn
- 1967-03-29 FR FR100611A patent/FR1517237A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3500310A (en) | 1970-03-10 |
DE1574124B1 (de) | 1971-10-21 |
GB1137038A (en) | 1968-12-18 |
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