Inductive signature measurement circuit

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters

Reexamination Certificate

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C324S546000, C324S076750, C329S361000

Reexamination Certificate

active

06911829

ABSTRACT:
An apparatus for measuring the inductance of a wire-loop with noise-cancellation, auto-calibration and wireless communication features, or detector circuit. The apparatus measures the effective change in inductance induced in a wire-loop as a vehicle passes over the wire-loop to produce an inductive signature corresponding to a vehicle.

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