GB613021A - Traffic detectors - Google Patents

Traffic detectors

Info

Publication number
GB613021A
GB613021A GB14618/45A GB1461845A GB613021A GB 613021 A GB613021 A GB 613021A GB 14618/45 A GB14618/45 A GB 14618/45A GB 1461845 A GB1461845 A GB 1461845A GB 613021 A GB613021 A GB 613021A
Authority
GB
United Kingdom
Prior art keywords
filament
switch
traffic
oscillator
currents
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
GB14618/45A
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 GB613021A publication Critical patent/GB613021A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/042Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
GB14618/45A 1944-06-01 1945-06-08 Traffic detectors Expired GB613021A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US613021XA 1944-06-01 1944-06-01

Publications (1)

Publication Number Publication Date
GB613021A true GB613021A (en) 1948-11-22

Family

ID=22034913

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14618/45A Expired GB613021A (en) 1944-06-01 1945-06-08 Traffic detectors

Country Status (2)

Country Link
FR (1) FR955391A (enrdf_load_stackoverflow)
GB (1) GB613021A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR955391A (enrdf_load_stackoverflow) 1950-01-14

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