ELECTRONIC KEY FOB WITH BLUETOOTH AND RADIO FREQUENCY TRANSCEIVERS
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United States of America Patent
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Issued Date -
Oct 8, 2015
app pub date -
Apr 4, 2014
filing date -
Apr 4, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A key fob including: a long-range transceiver communicating with a vehicle when the fob is within range of a long-range transceiver of the vehicle; and a short-range transceiver communicating with a mobile device when the fob is within range of a short-range transceiver of the mobile device, wherein when the short-range transceiver of the mobile device is out of range of a short-range transceiver of the vehicle, information is transmitted from the mobile device to the vehicle over a short-range link between the mobile device and the fob and is relayed from the fob to the vehicle over a long-range link between the fob and the vehicle, and information is transmitted from the vehicle to the mobile device over the long-range link between the vehicle and the fob and is relayed from the fob to the mobile device over the short-range link between the fob and the mobile device.
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