Apparatus for correcting vertical and optical distortions of ima

Details Apparatus for correcting vertical and optical distortions of ima Apparatus for correcting vertical and optical distortions of ima

1996-06-24

1999-04-27

Lee, Michael

Television

Video display

Projection device

348806, 315371, H04N 323, H01J 2956

Patent

active

058984666

ABSTRACT:
A vertical and optical distortion correction apparatus in a projection television set is provided. Thermal consumption of each convergence output end is reduced, convergence control is facilitated and a correction control time is shortened by correcting the optical and vertical distortions at each vertical output end of red, green and blue cathode ray tubes.

REFERENCES:
patent: 4795946 (1989-01-01), Nishiyama
patent: 5164639 (1992-11-01), Shimaoka et al.
patent: 5444338 (1995-08-01), George et al.
patent: 5508593 (1996-04-01), George

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