Interactive television broadcast system

Details Interactive television broadcast system Interactive television broadcast system

H - Electricity

04

N

H04N 7/173 (2006.01) H04N 5/44 (2006.01) H04N 7/08 (2006.01) H04N 7/14 (2006.01) H04N 17/00 (2006.01) H04H 1/02 (2006.01) H04H 9/00 (2006.01)

Patent

CA 2307901

An interactive television broadcast system comprises a source for broadcasting a plurality of television channels and data. A plurality of remote receiving units, each include a tuner to enable the unit to be tuned to receive a selected TV channel broadcast by the source, a processor responsive to data received from the source to determine the channel to which the unit is tuned, and a transmitter for sending information relating to the channel to which the unit is tuned to a common data collector.

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