Display corrector

Details Display corrector Display corrector

1992-03-25

1994-01-04

Nguyen, Phu K.

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Plural load device systems

315 8, 315370, G06F 1500

Patent

active

052767825

ABSTRACT:
A display corrector circuit 40 is disclosed which corrects for defocusing and horizontal and vertical spherical positional distortion of a point 22 upon a flat faced cathode ray tube display 16. The corrector 40 provides a plurality of programmable corrections and is based upon the first three terms of a Taylor series expansion of a polynomial functional representation of positional error.

REFERENCES:
patent: 4556821 (1985-12-01), Cooper
patent: 4580078 (1986-04-01), Spannhake
patent: 4700114 (1987-10-01), Sutherland, II
patent: 4853588 (1989-08-01), Ohtsu et al.
patent: 4864192 (1989-09-01), Buchwald et al.
patent: 4899082 (1990-02-01), Sands et al.

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