Patent ID: 6867815

Claim:
An apparatus for processing additional information embedded in a television (TV) broadcast signal, said apparatus comprising: a demultiplexer for separating video data, audio data and the additional information from a channel decoded broadcast signal; a controller for receiving the additional information separated by the demultiplexer, for extracting an additional information class code from the additional information, and for generating an additional information storage control signal and an additional information display control signal when the extracted additional information class code is included in additional information class codes selected by a user; a memory responsive to the additional information storage control signal from said controller for storing the additional information in an area assigned to a type of the additional information; an additional information class display signal generator responsive to the additional information display control signal from said controller for generating image data for displaying on a screen a type of information corresponding to the extracted additional information class code; and a video signal processor for decoding the video data separated by the demultiplexer, for mixing the decoded video data and the image data generated by the additional information class display signal generator to obtain a mixed result, and for performing signal processing on the mixed result for display on a screen.