US PATENT SUBCLASS 313 / 429
.~.~.~.~ Field varied near screen (i.e., post deflection)

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

364  DF  CATHODE RAY TUBE {11}
421  DF  .~ Beam deflecting means {7}
426  DF  .~.~ Plural {2}
427  DF  .~.~.~ Three or more {3}
429.~.~.~.~ Field varied near screen (i.e., post deflection) {1}
430  DF  .~.~.~.~.~> By external element

DEFINITION

Classification: 313/429

(under subclass 427) Subject matter wherein the deflecting means is positioned near the viewing screen.

(1) Note. Such placement of the deflecting means is termed "post deflection".