US PATENT SUBCLASS 313 / 381
.~.~.~ Image dissector

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

364  DF  CATHODE RAY TUBE {11}
365  DF  .~ Image pickup tube {6}
373  DF  .~.~ With photoemissive cathode {8}
381.~.~.~ Image dissector

DEFINITION

Classification: 313/381

(under subclass 373) Subject matter including an aperture across which an electron cloud from the photo-emissive cathode may be scanned, an elemental part of the scanned cloud emanating as a ray from the opposite side of the aperture.