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Manufacturer-independent positioning system for an inductive charging process

  • US 10,259,334 B2
  • Filed: 09/23/2016
  • Issued: 04/16/2019
  • Est. Priority Date: 03/26/2014
  • Status: Active Grant
First Claim
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1. A charging station for wirelessly transmitting electrical energy to a vehicle, the charging station comprising:

  • a base unit which is configured to generate an electromagnetic charging field for transmitting electrical energy to the vehicle; and

    a receiver unit which is configuredto receive a request signal from a transmitter unit of a vehicle;

    wherein the request signal lies in any of a plurality of different frequency ranges;

    to detect a signal strength of the received request signal;

    to detect the frequency range of the request signal from the plurality of different frequency ranges; and

    to adapt a signal conditioning unit to the frequency range of the request signal,wherein a position of the vehicle relative to the base unit is determined based on the detected signal strength of the received request signal, andwherein the request signal comprises a request signal of a keyless access function and/or of a keyless engine start function of the vehicle.

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