H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/18 (2006.01) H04N 7/16 (2006.01) H04N 5/445 (2006.01) H04N 7/173 (2006.01)
Patent
CA 2575038
A virtual channel table in a digital broadcasting signal may or may not include a service location descriptor to indicate whether a corresponding virtual channel is an active or inactive channel. Parsing at a receiver and determining whether the service location descriptor is present determines whether the current received channel is active or inactive.
Lg Electronics Inc.
Smart & Biggar
LandOfFree
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