ELECTRONIC KEY FOB WITH BLUETOOTH AND RADIO FREQUENCY TRANSCEIVERS

摘要

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.

主权项

1. A key fob for a vehicle, comprising:
a long-range transceiver configured to communicate with a control device in a vehicle when the key fob is within range of a long-range transceiver of the vehicle; and a short-range transceiver configured to communicate with a mobile device when the key 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 key fob and is relayed from the key fob to the vehicle over a long-range link between the key 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 key fob and is relayed from the key fob to the mobile device over the short-range link between the key fob and the mobile device.