GB607868A - Magnetic apparatus for detecting the passage of vehicles and other traffic - Google Patents

Magnetic apparatus for detecting the passage of vehicles and other traffic

Info

Publication number
GB607868A
GB607868A GB14617/45A GB1461745A GB607868A GB 607868 A GB607868 A GB 607868A GB 14617/45 A GB14617/45 A GB 14617/45A GB 1461745 A GB1461745 A GB 1461745A GB 607868 A GB607868 A GB 607868A
Authority
GB
United Kingdom
Prior art keywords
traffic
coils
vehicles
passage
detecting
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
Application number
GB14617/45A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AUTOMATIC SIGNAL CORP
Original Assignee
AUTOMATIC SIGNAL CORP
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AUTOMATIC SIGNAL CORP filed Critical AUTOMATIC SIGNAL CORP
Publication of GB607868A publication Critical patent/GB607868A/en
Expired legal-status Critical Current

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)
  • Geophysics And Detection Of Objects (AREA)
  • Traffic Control Systems (AREA)
GB14617/45A 1944-05-18 1945-06-08 Magnetic apparatus for detecting the passage of vehicles and other traffic Expired GB607868A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US536129A US2441554A (en) 1944-05-18 1944-05-18 Traffic detector

Publications (1)

Publication Number Publication Date
GB607868A true GB607868A (en) 1948-09-07

Family

ID=24137275

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14617/45A Expired GB607868A (en) 1944-05-18 1945-06-08 Magnetic apparatus for detecting the passage of vehicles and other traffic

Country Status (3)

Country Link
US (1) US2441554A (enrdf_load_stackoverflow)
FR (1) FR956774A (enrdf_load_stackoverflow)
GB (1) GB607868A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2496031A (en) * 1947-12-30 1950-01-31 Rca Corp Dual microphone sound detector system
US2532231A (en) * 1949-05-21 1950-11-28 Streeter Amet Co Traffic detector
US3798743A (en) * 1972-03-09 1974-03-26 E Griswold Method of installing photoelectric cell in a driveway
US4943805A (en) * 1986-11-13 1990-07-24 Dennison James L Conduit-enclosed induction loop for a vehicle detector

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1062361A (en) * 1906-01-03 1913-05-20 Malcolm P Ryder Generator of intermittent electric currents.
US2014410A (en) * 1927-01-03 1935-09-17 George W Pierce Electromagnetostrictive vibrator
US1992214A (en) * 1928-11-12 1935-02-26 Katz David Traffic detector
US2064882A (en) * 1931-05-21 1936-12-22 Henry B Brainerd Traffic signal control
US2166090A (en) * 1935-08-03 1939-07-11 Cooper Benjamin Treadle controlled system
US2119811A (en) * 1935-08-20 1938-06-07 Frank D Hayes Resilient induction magnet
BE424877A (enrdf_load_stackoverflow) * 1937-02-06
US2201146A (en) * 1937-08-14 1940-05-21 Automatic Signal Corp Traffic detector

Also Published As

Publication number Publication date
FR956774A (enrdf_load_stackoverflow) 1950-02-07
US2441554A (en) 1948-05-18

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