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Contents inventory tracking system and protocol

  • US 10,062,227 B2
  • Filed: 01/09/2014
  • Issued: 08/28/2018
  • Est. Priority Date: 01/09/2014
  • Status: Active Grant
First Claim
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1. A vehicle inventory system comprising:

  • a passive entry system including an antenna and a controller configured to;

    cause, during a key fob challenge period, the antenna to transmit at least one key fob challenge for authenticating a key fob in a vicinity of the vehicle,cause, during a tag challenge period, the antenna to transmit at least one tag challenge, the tag challenge period starting after the key fob challenge period has ended, andreceive, during a tag response period, a tag response to the challenge indicative of a tag in a vicinity of the vehicle.

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