Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Patent
1993-05-18
1997-03-18
Powell, Mark R.
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
395503, 395514, 345 97, 345 87, 345 55, G06F 1500
Patent
active
056131038
ABSTRACT:
A display controller includes a memory for storing data to be displayed on a display, a unit for supplying data to the memory, a first flag group for indicating a line on the display screen of the display corresponding to data supplied by the data supplying unit, a second flag group for indicating a plurality of the first flag groups, a detector for detecting the status of the display, a selector for selecting the first or second flag in accordance with the status of the display detected by the detector, and a display control unit for reading data designated by the first or second flag selected by the selector from the memory, and displaying the data on the display.
REFERENCES:
patent: 4964699 (1990-10-01), Inoue
patent: 5289173 (1994-02-01), Numao
patent: 5298913 (1994-03-01), Numao et al.
patent: 5301269 (1994-04-01), Alcorn et al.
patent: 5359344 (1994-10-01), Inoue et al.
Ina Kenzoh
Matsuzaki Eiichi
Morimoto Hajime
Nobutani Toshiyuki
Ono Kenichiro
Canon Kabushiki Kaisha
Chauhan U.
Powell Mark R.
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