Virtual resolution displays

Details Virtual resolution displays Virtual resolution displays

1985-09-13

1988-01-19

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340735, 340748, 340790, G09G 106

Patent

active

047207051

ABSTRACT:
A method for improving the viewing quality of a CRT display image without increasing resolution of the display. With the invention disclosed herein, characters are apparently positioned at sub-pixel locations to improve the viewing quality of a CRT display image. This apparent positioning is accomplished by changing intensity values assigned to pixels on a CRT display. In the preferred embodiment, the change in intensity values is effected by linear interpolation with intensity values of neighboring pixels to yield second intensity values. These second intensity values, then, improve the viewing quality of the CRT display image.

REFERENCES:
patent: 4212008 (1980-07-01), Hopkins, Jr.
patent: 4237457 (1980-12-01), Houldsworth
patent: 4297691 (1981-10-01), Kodama et al.
patent: 4482893 (1984-11-01), Edelson
patent: 4532503 (1985-07-01), Pennebaker
patent: 4586037 (1986-04-01), Rosener et al.
patent: 4591844 (1986-05-01), Hicken et al.

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