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Reducing orientation directivity and improving operating distance of magnetic sensor coils in a magnetic field

  • US 20030076093A1
  • Filed: 10/18/2001
  • Published: 04/24/2003
  • Est. Priority Date: 10/18/2001
  • Status: Abandoned Application
First Claim
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1. An apparatus for passive keyless entry (PKE) comprising magnetic field sensors having improved read range at a plurality of different positional orientations within a magnetic field, comprising:

  • a plurality of magnetic field sensor coils, each one of said plurality of magnetic field sensor coils having a coil axis, wherein the coil axis of each one of said plurality of magnetic field sensor coils are non-perpendicular and non-parallel to the other axes.

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