Controlling the overlay of multiple video signals

Details Controlling the overlay of multiple video signals Controlling the overlay of multiple video signals

2003-12-22

2009-02-03

Yenke, Brian P (Department: 2622)

Television

Image signal processing circuitry specific to television

Special effects

C348S565000, C348S600000, C345S589000, C345S592000, C345S629000

Reexamination Certificate

active

07486337

ABSTRACT:
In one embodiment the present invention includes receiving an alpha component of a graphics signal, receiving a primary video signal, and receiving a secondary video signal. A portion of the alpha component is extracted and applied to the extracted portion to render the secondary video signal over the primary video signal.

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PCT Search Report, PCT/US2004/041802, Dec. 5, 2005.

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