Communications: electrical – Selective – Having indication or alarm
Patent
1981-07-28
1983-05-10
Robinson, Thomas A.
Communications: electrical
Selective
Having indication or alarm
377 9, G01L 116, G08G 107
Patent
active
043832393
ABSTRACT:
A detector for detecting the passage of heavy objects on a roadway, wherein the detector is an elongate strip in the form of nested channel-section members, said members comprising, from the outside towards the inside
REFERENCES:
patent: 3105952 (1963-10-01), Kidder
patent: 3750125 (1973-07-01), Ross et al.
International Construction, vol. 10, No. 5, May 1971, Naywards Heath (GB), Elliott: "Loop Detectors Speed Up London's Traffic Flow", p. 5, lines 6-7, 22, 26.
Compagnie Generale D'Automatisme
Robinson Thomas A.
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