Patent ID: 7948518

Claim:
A system for providing continuous reception of a video signal from an on board camera in a mobile object as it moves around a race track comprising: an on board video camera on the mobile object for generating a video signal and a transmitter provided on the mobile object for transmitting said video signal from the mobile object on a first carrier frequency; first and second receivers that each receive the transmitted video signal on said first carrier frequency, said first and second receivers having at least partially overlapping detection areas and being located at spaced apart locations about the race track; a position detector for generating a position signal indicative of the position of said mobile object using indications other than parameters of the received video signal and carrier as the mobile object moves around the race track; and a controller located other than in the mobile object for selecting and outputting the video signal received by the first of the first and second receivers in response to the position signal and for thereafter selecting and outputting the video signal received by the second of the first and second receivers in response to change in the position signal as the mobile object moves around the track.