Wide aspect television receiver including a correcting waveform

Details Wide aspect television receiver including a correcting waveform Wide aspect television receiver including a correcting waveform

1994-10-25

1996-05-21

Groody, James J.

Television

Basic receiver with additional function

Multimode

348704, 348806, 348807, 315371, H04N 323, H04N 327

Patent

active

055194478

ABSTRACT:
A wide aspect television receive corrects variations in the luminance between the center and peripheral portion of the screen that occur due to changing vertical deflection widths by suppressing a video signal amplitude at the top and/or bottom of the screen to be smaller than that at the center of the screen. The wide aspect deflection may also correct over-correction of the lateral pincushion distortion.

REFERENCES:
patent: 4763194 (1988-08-01), Osman
patent: 4810939 (1989-03-01), Watanabe et al.
patent: 4968919 (1990-11-01), Oliver
patent: 5034664 (1991-07-01), Fernsler et al.
patent: 5136398 (1992-08-01), Rodriguez-Cavazos et al.
patent: 5253073 (1993-10-01), Crowley

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