Patent ID: 7210159
Filing Date: 2007-04-24
Classification: G04G,G11B,H04N

Abstract:
1. A method of displaying and updating television schedule information data in a television schedule information transmission system having a central data processing system and a plurality of subscriber systems, the method comprising the steps of: receiving via a television telecast signal commands that instruct the plurality of subscriber systems and which include command data and the television schedule information data used by the commands; responsive to receiving a command, reading the command data from the command to determine the instructions of the command; responsive to the command instructions, extracting a portion of the television schedule information data included in the command from the television telecast signal; responsive to the command instructions, storing the portion of the television schedule information data in a memory at the plurality of subscriber systems; responsive to the command instructions, preparing portions of the television schedule information data; and displaying the portions of the television schedule information data on a display monitor.