Digital video data scaler and method

Details Digital video data scaler and method Digital video data scaler and method

2006-05-23

2006-05-23

Miller, John (Department: 2614)

Television

Image signal processing circuitry specific to television

Special effects

C348S589000, C348S598000, C348S584000, C348S600000, C382S284000, C382S298000, C345S630000, C345S629000

Reexamination Certificate

active

07050113

ABSTRACT:
A digital video stream is digitally scaled to properly display on a device having a horizontal to vertical aspect ratio different than the source aspect ratio leaving a blank area on the device. Graphic data is digitally scaled separately to extend partially or completely into and therefore use the blank area. A compositing blender digitally combines the two prior to a display encoder which produces analog signals for driving the display device.

REFERENCES:
patent: 5581304 (1996-12-01), Wang
patent: 5999220 (1999-12-01), Washino
patent: 6311204 (2001-10-01), Mills
patent: 6327000 (2001-12-01), Auld et al.
patent: 6377713 (2002-04-01), Vuong
patent: 6388711 (2002-05-01), Han et al.
patent: 6700588 (2004-03-01), MacInnis et al.
patent: 04345388 (1991-05-01), None

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