Patent ID: 7438148

Claim:
A controllable vehicle system comprising; a vehicle including: a compartment for receiving a rider; at least one wheel; manual controls for controlling operation of said at least one wheel upon receipt of a control signal from the rider; a control override switch for disabling said manual controls; and, a receiver, and a remote control device including: means for generating control signals upon command signals received from a user; a switch for toggling between a manual operation mode of said vehicle and a remote override mode for remote operation of said vehicle; a transmitter for transmitting said control signals to said receiver of said vehicle for activating said control override switch for controlling operation of said at least one wheel when said switch is toggled into the remote override mode; a range detector unit in said vehicle; and means in response to said receiver receiving a signal indicating a toggle into remote override mode for creating a transmission path for messages through said range detector unit to a servo control unit, said range detector sending a signal to said servo control unit to stop said vehicle when said vehicle exceeds a predetermined distance from said transmitter in said remote control device, whereby said range detector unit is operable only when said controllable vehicle system is in the remote override mode; and a rear servo motor for rotating said at least one wheel and a steering servo motor for steering said vehicle, both said rear and steering servo motors being controlled by said servo control unit.