US PATENT SUBCLASS 315 / 368.24
.~.~.~ Static convergence feature

Current as of: June, 1999
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315 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS

1  DF  CATHODE RAY TUBE CIRCUITS {11}
364  DF  .~ Cathode-ray deflections circuits {16}
368.11  DF  .~.~ Including color convergence control {8}
368.24.~.~.~ Static convergence feature

DEFINITION

Classification: 315/368.24

Static convergence feature:

(under subclass 368.11) Subject matter further including a circuit or element providing an additional constant electric field or magnetic flux which is combined with the time varying field to form the focussing field for convergence.