Patent ID: 7036139

Claim:
A TV broadcast method for a system to be operated from a TV continuity studio within the control of a broadcast flow unit, said method comprising: (a) generating alphanumeric characters and/or image data separately for each of plural remote sites at a central site and transmitting said alphanumeric characters and/or image data therefrom to said plural remote sites via a modem; (b) detecting whether said alphanumeric characters and/or image data have been received correctly at the said remote sites via said link; (c) generating and transmitting command codes within non-displayed portions of broadcast television signals to remotely control each of said remote sites from the said central site; (d) converting said alphanumeric characters and/or image data to local vision materials with a graphic generator at each of said remote sites; (e) at each remote site, overlaying said local vision material synchronously onto the continuing general television signal without cutting off the main general broadcast; and (f) detecting whether the said local vision materials have been broadcast via transmission of digital information sent back to the central site.