US PATENT SUBCLASS 348 / 796
.~ Vacuum panel

Current as of: June, 1999
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348 /   HD   TELEVISION

739  DF  VIDEO DISPLAY {13}
796.~ Vacuum panel

DEFINITION

Classification: 348/796

Vacuum panel:

(under subclass 739) Subject matter wherein the display device consists of an evacuated envelope containing an array of cathodes sequentially producing electrons which cause corresponding fluorescent target areas to emit light.