Image-correction circuit and method for picture tube

Details Image-correction circuit and method for picture tube Image-correction circuit and method for picture tube

1995-05-19

1997-11-11

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

348583, 348746, 348806, H01J 2956

Patent

active

056868006

ABSTRACT:
An image-correction circuit and method for a picture tube is disclosed including system control means for determining the rotation degree of vertical and horizontal sync signals, and outputting vertical and horizontal charging/discharging control signals and vertical and horizontal phase signals; vertical phase control means for outputting a vertical phase control signal; horizontal phase control means for outputting a horizontal phase control signal; vertical phase sync means for shifting the image vertically thereby correcting the vertical position of the image; and horizontal phase sync means for receiving the horizontal phase control signal and shifting the image horizontally thereby correcting the horizontal position of the image.

REFERENCES:
patent: 5298985 (1994-03-01), Tsujihara et al.
patent: 5355058 (1994-10-01), Jackson et al.
patent: 5434484 (1995-07-01), Murakami
patent: 5483260 (1996-01-01), Parks et al.

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