Magnetic sensing system and method

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Electrical signal parameter measurement system

Reexamination Certificate

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C702S190000, C340S573100, C340S436000, C340S547000, C340S540000, C280S735000, C280S734000, C307S010100, C324S207170

Reexamination Certificate

active

07463987

ABSTRACT:
A coil at a first location in magnetic communication with a door of a vehicle generates a magnetic field responsive to a time varying signal applied thereto. The first location and the coil are adapted so that the magnetic field is influenced by an opening state of the door, and by a crash involving the door. A signal is generated from the coil responsive to the time-varying signal and to the magnetic field, wherein the signal provides for sensing an opening state of the door and for sensing a crash involving the door.

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