Patent ID: 6172715
Filing Date: 2001-01-09
Classification: H04N

Abstract:
A picture-in-picture (PIP) control method for use in a video television (TVCR) system, the PIP control method comprising:(a) determining whether a child picture is displayed by said TVCR system;(b) determining whether a PIP control signal is input to said TVCR system;(c) determining contents of said PIP control signal when said PIP control signal is input in said step b);(d) controlling said TVCR system to display only a parent picture, stop display of a child picture and concurrently stop a playback operation of a VCR, while said VCR remains powered, when the contents of said PIP control signal indicate that said VCR is to be turned off and a PIP display is to be turned off; and(e) controlling said TVCR system to display only said parent picture and stop display of said child picture when the contents of said PIP control signal indicate that said PIP display is to be turned off.