Hill, Van Santen, Steadman & Simpson
Power-responsive ghost cancelling system
 A ghost cancelling system having a transversal filter including a weighting circuit and a memory, a power responsive circuit for detecting the time when a power switch is turned on, and an activating circuit connected between the power responsive circuit and the storage capacitor for charging the latter during a predetermined period when the power switch is turned on. 
Sony Corporation
H
H04N
inventional
Junya Ichiro Hisafumi
Saito Tsutsui Yamada