A television viewer uses a PIP format for display of program related information such as television program listings from a program schedule data base in the background and moving, real time images of a program selected from the displayed listings in the PIP window. All the text of the background information...http://www.google.de/patents/US20020147976?utm_source=gb-gplus-sharePatent US20020147976 - Method and apparatus for transmitting, storing, and processing electronic program guide data for on-screen display
