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Vehicle key

  • US 8,643,510 B2
  • Filed: 01/30/2009
  • Issued: 02/04/2014
  • Est. Priority Date: 01/31/2008
  • Status: Active Grant
First Claim
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1. A vehicle key for radio communication with a vehicle, the vehicle key comprises:

  • a radio transmitter for transmitting radio signals to the vehicle;

    at least one of a radio receiver and an audio receiver; and

    a display for displaying information to a user of the vehicle key;

    wherein the vehicle key;

    1) automatically determines and stores a position of the vehicle key when the vehicle is being locked,2) determines a current position of the vehicle key, and3) indicates, by the display, a relative direction between the vehicle key and the vehicle based on the current position of the vehicle key, and the position of the vehicle key determined when the vehicle was being locked.

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