Convergence correcting method and apparatus for correcting conve

Details Convergence correcting method and apparatus for correcting conve Convergence correcting method and apparatus for correcting conve

1993-08-25

1996-09-24

Kostak, Victor R.

Television

Video display

Cathode-ray tube

348745, 315370, 315401, H04N 322, H04N 326

Patent

active

055595650

ABSTRACT:
A difference is calculated between convergence data in accordance with a temperature detected from the deflecting coil of a cathode ray tube and optimum convergence data. The convergence of the cathode ray tube is then corrected in accordance with the calculated difference.

REFERENCES:
patent: 3950671 (1976-04-01), Ichigaya et al.
patent: 4283663 (1981-08-01), Miyoshi et al.
patent: 4754334 (1988-06-01), Kriz et al.

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