Patent ID: 6313882
Filing Date: 2001-11-06
Classification: H04N

Abstract:
A television signal reception apparatus for receiving a television signal selected from among transmitted television signals of different types, said television signal reception apparatus comprising:a receiver portion for supplying first digitized baseband signal responsive to a first type of television signal received during first times;a receiver portion for supplying second digitized baseband signal responsive to a second type of television signal received during second times; andadaptive digital filter circuitry with input and output ports and with programmable filtering weights, connected for adaptive operation during said first times for suppressing ghosts in said first digitized baseband signal based upon a first ghost cancellation reference signal extracted from said first digitized baseband signal, and connected for adaptive operation during said second times for suppressing ghosts in said second digitized baseband signal based upon a second ghost cancellation reference signal extracted from said second digitized baseband signal.