H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 21/472 (2011.01) H04N 21/437 (2011.01) A63F 13/12 (2006.01)
Patent
CA 2421326
A method for transmitting a message in an interactive television system, comprising receiving at a receiver unit a video stream including video data and a timing stream indicative of the timing of the video data; receiving at the receiver unit an instruction from a user to transmit a message from the receiver unit and in response to the instruction forming the message so as to include a timing indication based on current data from the timing stream; and transmitting the message from the receiver unit.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Chello Broadband Nv
Upc Broadband Operations B.v.
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