Computer graphics processing and selective visual display system – Computer graphics processing – Graph generating
Patent
1997-01-21
1999-03-30
Nguyen, Phu K.
Computer graphics processing and selective visual display system
Computer graphics processing
Graph generating
G06F 1500
Patent
active
058895272
ABSTRACT:
An image-processing apparatus for controlling the display of a plurality of overlapped image data. The image-processing apparatus includes a control key generator, an overlay control register, and two multiplexers. The control key generator generates a plurality of control keys according to the drawing position on the monitor screen. Each control key defines two display areas on the monitor screen. The combinations of these display areas on the monitor screen thus define a plurality of overlapped display areas. The overlay control register stores display model data, each corresponding to an overlapped display area and representing the image data type of that overlapped display area. A first selector retrieves the display model data of the overlapped display areas from the overlay control register by using the control keys. A second selector uses the display model data obtained from the first selector to select the corresponding image data.
REFERENCES:
patent: 5625764 (1997-04-01), Tsujimoto et al.
patent: 5636337 (1997-06-01), Boenke et al.
Nguyen Phu K.
Winbond Electronics Corp.
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