05619274 is referenced by 413 patents and cites 61 patents.

Television schedule information transmission and utilization systems (50A-50D) transmit TV schedule data and associated network control messages provided by computer (54) as packets via the Video Blanking Interval (VBI) lines in the TV signal from various television program providers (51). This data is acquired by regional data processing systems and forwarded by the regional data processing systems to subscriber units (52) and used to construct an internal database. This internal database can be accessed by the subscriber unit (52) to display a TV schedule for the channels that are received by the user's TV.

Title
Television schedule information transmission and utilization system and process
Application Number
579555
Publication Number
5619274
Application Date
May 13, 1994
Publication Date
April 8, 1997
Inventor
Giambattista A Alegiani
San Francisco
CA, US
Konstantine Sokolik
Redwood City
CA, US
David P Warden
Redwood City
CA, US
Jeffrey J Kochy
San Jose
CA, US
Alan R Ebright
Los Gatos
CA, US
John H Roop
Palo Alto
CA, US
Agent
Cooley Godward
Assignee
StarSight Telecast
CA, US
IPC
H04N 7/08
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