1
Michael Rothmuller: Method and apparatus for sorting and searching a television program guide. Hughes Electronics, John T Whelan, Wanda Denson Low, June 3, 1997: US05635989 (447 worldwide citation)

A method and apparatus for searching a program guide comprising program information for a plurality of different program sources. The program information includes the titles of the programs, the channel on which each program is to be shown, and the time at which each program is to be shown. The view ...


2
Michael Rothmuller: Method and apparatus for sorting and searching a television program guide based on user profile. Hughes Electronics Corporation, John T Whelan, Michael W Sales, June 13, 2000: US06075526 (211 worldwide citation)

A method and apparatus for searching a program guide comprising program information for a plurality of different program sources. The program information includes the titles of the programs, the channel on which each program is to be shown, and the time at which each program is to be shown. The view ...