Convergence adjustment method and convergence adjustment circuit

Details Convergence adjustment method and convergence adjustment circuit Convergence adjustment method and convergence adjustment circuit

1997-10-23

1999-12-28

Westin, Edward P.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

31536812, G09G 128, H01J 2951, H04N 928

Patent

active

060085967

ABSTRACT:
A convergence adjusting method and a convergence adjusting circuit, for improving the preciseness of adjustment while reducing a time required for the adjustment and for avoiding an occurrence of non-continuity distortion on a display screen. An adjustment state flag memory 8 stores flags indicative of whether or not the adjustment in respective adjustment points is completed. The convergence adjusting method includes sequentially performing convergence adjustment at a plurality of adjusting points set on the display screen equidistantly and setting new adjusting points on the display screen equidistantly with a pitch smaller than a pitch of the adjusting points.

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patent: 5576774 (1996-11-01), Hosoi et al.
patent: 5790210 (1998-08-01), Kim et al.
patent: 5793447 (1998-08-01), Fujiwara et al.

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