×

ANTENNA ALIGNMENT AND VEHICLE GUIDANCE FOR WIRELESS CHARGING OF ELECTRIC VEHICLES

  • US 20120262002A1
  • Filed: 12/19/2011
  • Published: 10/18/2012
  • Est. Priority Date: 04/13/2011
  • Status: Active Grant
First Claim
Patent Images

1. An apparatus for receiving wireless power, the apparatus comprising:

  • a sensor coupled to a wireless power receive antenna, the sensor comprising;

    a core;

    a first coil wound about the core, the first coil located in a first plane;

    a second coil wound about the core, the second coil located in a second plane that is different than the first plane; and

    a third coil wound about the core, the third coil located in a third plane that is different than the first and second planes, the sensor configured to determine at least two vector components of an electromagnetic field at a particular point; and

    a processor configured to determine, based on the at least two vector components, a direction of a source of the electromagnetic field with respect to the sensor and a distance to the source of the electromagnetic field from the sensor.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×