Method and apparatus for providing a dynamic rotational...

Details Method and apparatus for providing a dynamic rotational... Method and apparatus for providing a dynamic rotational...

2007-08-28

2007-08-28

Vo, Tuyet (Department: 2821)

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

C315S368260, C315S364000, C348S806000

Reexamination Certificate

active

10707314

ABSTRACT:
A method and apparatus used to step and correct the position of raster lines in a sinusoidal or zig-zag deflection system. By combining the magnetic flux generated with a rotation “twister” coil and a vertical deflection coil, scan lines can be uniformly spaced and separated nearly to their ends. Accordingly, the magnetic flux generated with the twister coil is adjusted going in the left to right direction then reversed in polarity and readjusted while returning from right to left. It is this controlled twister flux that combines with the linear vertical deflection flux to straighten and then step each scan line to produce an aligned raster.

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