Digitally controlled composite color video display system
AssigneeBurroughs Corporation
InventorsIrvin G. Stafford, Charles L. Seitz
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Abstract
This disclosure relates to a color video system that is adapted to receive digital codes representing values of different colors that are to be displayed to create an image on a standard video monitor. The system employs a video synthesizer which includes a memory in which appropriate digital signals are stored representing the desired transformations of the signals to signals that are to be transmitted to the video monitor. Specifically, the system is adapted to transform respective color codes to codes required for the I, Q, and Y mode of transmission.
Claims15
A color video display system comprising:
- transformation means to receive a plurality of digital codes representing base colors to be displayed and having a plurality of outputs on which are placed digital signals representing differences between at least two of said base color values and a luminance value;
- and
- digital-to-video converter means coupled to said transformation means and adapted to provide outputs representing phase-encoded signals of said transformation outputs.
A color video display system comprising:
- transformation means to receive a plurality of digital codes representing base colors to be displayed and having a memory in which are stored digital signals representing differences between at least two of said base color values and a luminance value;
- and
- digital-to-video converter means coupled to said transformation means and adapted to provide outputs representing phase-encoded signals of said transformation outputs.
A color video display system comprising:
- a source of digital signals representing different values;
- a source of a plurality of square-wave signals which differ in phase from one another;
- means coupled to said square-wave source to receive said different square-wave signals and to impose an amplitude on each of said signals according to said digital signals received from said digital signal source;
- and
- summing means to sum together said different square-wave signals to provide an output video signal.
Dependencies are inferred from the claim text.