Patent ID: 6848968

Claim:
An improved communication system for controlling a remotely controlled toy vehicle by transmitting control signal from a remote control to a toy vehicle, wherein the remote control including control switches, an encoder and a transmitter, the toy vehicle including a receiver, a decoder and actuators for controlling the operation of the toy vehicle in accordance with control signals received from the remote control, wherein the improvement comprises: the encoder generating a continuous, uninterrupted stream of control signal packets which are continuously transmitted at a constant frequency, with each control signal packet, other than the first packet, immediately following the preceding packet in time, each of the packets including a predetermined number of biphase encoded bits, each biphase bit being of the same predetermined width with a fifty percent duty cycle including two transmit elements with one binary state being defined as both of the transmit elements of a bit being opposite, each packet including a first predetermined number of flag bits, the states of which are the same for all packets, a second predetermined number of data bits, the states of which vary depending upon the positions of the control switches, and at least one checksum bit.