Computer graphics processing and selective visual display system – Computer graphic processing system – Graphic command processing
Reexamination Certificate
2006-07-18
2010-02-09
Hsu, Joni (Department: 2628)
Computer graphics processing and selective visual display system
Computer graphic processing system
Graphic command processing
C345S501000, C345S502000
Reexamination Certificate
active
07659903
ABSTRACT:
An aircraft cockpit flight deck data display system for displaying, on a viewable display screen, typically anti-aliased graphical imaging data derived from aircraft sensors, generates or receives graphics processing language (GPL) commands that define the information intended for presentation on the display screen. The GPL commands are input to a video graphics processor that is operable to interpret the received GPL commands and to generate therefrom video imaging data transferable to the display screen to populate the screen with the intended information. The same GPL commands are also input to a comparator processor that is operable to interpret the received GPL commands and to generate therefrom selected “points of light”, comprising a limited subset of the video imaging data generated by the video graphics processor. The comparator processor-generated “points of light” are then compared to the respective corresponding video imaging data points generated by the video graphics processor to thereby validate the proper operation of the video graphics processor and the accuracy of the video imaging data generated by the video graphics processor.
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Cohen Pontani Lieberman & Pavane LLP
Hsu Joni
Innovative Solutions & Support Inc.
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