Display control apparatus

Details Display control apparatus Display control apparatus

1991-05-06

1994-04-05

Chin, Tommy P.

Computer graphics processing and selective visual display system

Display peripheral interface input device

Light pen for fluid matrix display panel

345201, G09G 102

Patent

active

053009487

ABSTRACT:
In a display apparatus equipped with a plurality of frame memories for keeping data to be used for display on a display section and an output logic for outputting the display data on the frame memories to the display section, for effective use to various CAD/CAM graphic applications, a switching operation for connection of the frame memories to the output logic is selectively effected through a software among a mode for connecting one of the frame memories to the output logic, a double-buffer mode for switching two of the frame memories at the timing of vertical retrace intervals and a mode for switching the plurality of frame memories at the timing of horizontal retrace intervals.

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patent: 4742474 (1988-05-01), Knierim
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patent: 4943937 (1990-07-01), Kasano et al.
patent: 5062057 (1991-10-01), Blacken et al.
patent: 5138305 (1992-08-01), Tomiyasu
patent: 5142276 (1992-08-01), Moffat
"Transputer Technical Notes" by INMOS Limited, published by Prentice Hall, 1989.

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