System and method for operating a loop detector

Details System and method for operating a loop detector System and method for operating a loop detector

2007-05-22

2007-05-22

Nguyen, Hung (Department: 2612)

Communications: electrical

Vehicle detectors

C340S917000, C340S919000, C340S934000, C340S939000, C340S501000

Reexamination Certificate

active

10976609

ABSTRACT:
The temperature of an operator circuit is measured. A relationship between the temperature of the operator circuit and characteristics of the operator circuit is determined. The relationship is applied to the measured temperature of the operator circuit to create an adjustment action. The detection threshold is adjusted by the adjustment action.

REFERENCES:
patent: 3875555 (1975-04-01), Potter
patent: 4358749 (1982-11-01), Clark
patent: 5512891 (1996-04-01), Kang
patent: 5844502 (1998-12-01), Perez et al.
patent: 5936551 (1999-08-01), Allen et al.
patent: 7014355 (2006-03-01), Potter et al.

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