Contents inventory tracking system and protocol
First Claim
Patent Images
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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Abstract
A vehicle inventory system may include a passive entry system configured to authenticate a key fob and including at least one antenna and a controller operably arranged with the at least one antenna. The controller causes, during a tag challenge period, the at least one antenna to transmit at least one tag challenge. The tag challenge period is initiated based on an end of a key fob challenge period. The controller further receives a tag response to the challenge indicative of a tag in the vicinity of the vehicle.
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Citations
17 Claims
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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, and receive, during a tag response period, a tag response to the challenge indicative of a tag in a vicinity of the vehicle. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A vehicle inventory system comprising:
a passive entry system configured to authenticate a key fob and including an antenna and a controller configured to cause, during a tag challenge period, the antenna to transmit at least one tag challenge, the tag challenge period being initiated based on an end of a key fob challenge period, and receive a tag response to the challenge indicative of a tag in a vicinity of the vehicle. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A method comprising:
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transmitting at least one key fob challenge during a key fob challenge period to authenticate a key fob in a vicinity of a vehicle; transmitting at least one tag challenge during a tag challenge period based on an end of the key fob challenge period to excite programmed tags in the vicinity of the vehicle; receiving at least one key fob response during a key fob response period starting after an end of the key fob challenge period; and receiving at least one tag response during a tag response period starting after an end of the tag challenge period indicative of at least one of the programmed tags. - View Dependent Claims (15, 16, 17)
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Specification