Television channel change picture-in-picture circuit and method

Details Television channel change picture-in-picture circuit and method Television channel change picture-in-picture circuit and method

2009-04-20

2010-11-02

Ometz, David L (Department: 2622)

Television

Basic receiver with additional function

For display of additional information

C348S564000, C348S563000, C348S567000, C348S715000

Reexamination Certificate

active

07825989

ABSTRACT:
We describe and claim television channel change picture-in-picture circuit and method. The circuit includes means for displaying a first channel on a primary portion of a screen, means for changing from the first channel to a second channel, and means for displaying the second channel on a secondary portion of the screen responsive to the means for changing from the first to the second channel while continuing to display the first channel on the primary portion of the screen.

REFERENCES:
patent: 5557338 (1996-09-01), Maze et al.
patent: 6563515 (2003-05-01), Reynolds et al.
patent: 6611260 (2003-08-01), Greenberg et al.

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