H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/173 (2006.01)
Patent
CA 2139069
An interactive multimedia television service to the home employs a downstream digital signal which has a predetermined unique spectral shape which facilitates at a receiver filtering out of undesired interfering signals without removing any significant amount of the energy from the downstream digital; signal.
Harman Dale D.
Werner Jean-Jacques
At&t Corp.
Kirby Eades Gale Baker
LandOfFree
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