Color monitor with improved digital convergence

Details Color monitor with improved digital convergence Color monitor with improved digital convergence

1985-04-12

1987-06-16

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315367, H01J 2970

Patent

active

046738479

ABSTRACT:
A color video monitor is disclosed which includes improved digital convergence using a plurality of memory means in which vertical convergence correction values are stored, one memory each for red, green, blue and lateral blue convergence values. Interpolation means provide additional values between the points stored in memory such that a smooth transition between successive lines of the display is achieved. The correction values stored in the memories are generated by means of a high-order polynomial function.

REFERENCES:
patent: 4203054 (1980-05-01), Sowter
patent: 4401922 (1983-08-01), Kamata et al.
patent: 4422019 (1983-12-01), Meyer
patent: 4524307 (1985-06-01), Wahlquist

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