US PATENT SUBCLASS 250 / 333
.~ Including image tube-type detector


Current as of: June, 1999
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250 /   HD   RADIANT ENERGY

330  DF  INFRARED-TO-VISIBLE IMAGING {4}
333.~ Including image tube-type detector


DEFINITION

Classification: 250/333

(under subclass 330) Subject matter wherein the infrared conversion means comprises an evacuated envelope having an infrared responsive input screen with (1) an output screen for visualizing an intensified image or (2) means for converting the infrared image to electrical signals to control a display device.

(1) Note. Devices under item (1) above include image intensifier tubes. Devices under item (2) above include vidicon tubes and television cameras.