US PATENT SUBCLASS 313 / 388
.~.~.~ Special ray sensitive

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}
384  DF  .~.~ Photoconductive {5}
388.~.~.~ Special ray sensitive

DEFINITION

Classification: 313/388

(under subclass 384) Subject matter wherein the photoconductive element is adapted to respond to electromagnetic radiation other than visible light.

(1) Note. Included here is structure of or associated with the photoconductor to make it particularly sensitive to, for example, infrared radiation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

380, for photo-emissive cathode made sensitive to particular frequencies of electromagnetic radiation.