Method and apparatus for controlling dynamic convergence of...

Details Method and apparatus for controlling dynamic convergence of... Method and apparatus for controlling dynamic convergence of...

H - Electricity

01

J

H01J 29/62 (2006.01) H01J 29/50 (2006.01) H01J 29/51 (2006.01)

Patent

CA 2064805

For use particularly in a color cathode ray tube electron gun, means for diverting an electron beam from a straight line path. The beam diverting means has general utility, but is disclosed as part of a quadrupole lens for correcting astigmatism introduced by an associated self- converging yoke. The beam bending feature in the dynamic quadrupole compensates for convergence error undesirably introduced by the dynamic focus voltage.

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