SYSTEM AND METHOD FOR KEY FREE ACCESS TO A VEHICLE
First Claim
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1. A method for unlocking a vehicle with a cell phone, the method comprising:
- monitoring wireless signals from a cell phone;
receiving a signal from the cell phone;
determining a distance between the cell phone and the vehicle;
unlocking doors of the vehicle in response to the cell phone nearing the vehicle; and
locking the doors of the vehicle in response to the cell phone being further separated from the vehicle.
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Abstract
A system and method for unlocking a vehicle with a cell phone. Wireless signals are monitored from a cell phone. A signal is received from the cell phone. A distance between the cell phone and the vehicle is determined. Doors of the vehicle are unlocked in response to the cell phone nearing the vehicle. The doors of the vehicle are locked in response to the cell phone being further separated from the vehicle.
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Citations
20 Claims
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1. A method for unlocking a vehicle with a cell phone, the method comprising:
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monitoring wireless signals from a cell phone; receiving a signal from the cell phone; determining a distance between the cell phone and the vehicle; unlocking doors of the vehicle in response to the cell phone nearing the vehicle; and locking the doors of the vehicle in response to the cell phone being further separated from the vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A vehicle system for controlling functions of a vehicle, the system comprising:
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a transceiver operable to wirelessly communicate with a cell phone, the transceiver further operable to determine a distance between the cell phone and the vehicle system, and the transceiver further operable to receive an identifier from the cell phone; and control logic in communication with the transceiver operable to unlock the doors in response to determining the distance is within a threshold, wherein the identifier is authorized to control the control logic. - View Dependent Claims (15, 16)
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17. A vehicle system comprising:
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a processor for executing a set of instructions; and a memory for storing the set of instructions, wherein the set of instructions ate configured to; receive a signal from a cell phone authorized to control the vehicle system, determine a distance between the cell phone and a vehicle; and send a command controlling the vehicle system in response to a plurality of distance measurements indicating the user is approaching the vehicle and is within a distance threshold of the vehicle and further in response to receiving an indicator from the user. - View Dependent Claims (18, 19, 20)
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Specification