US PATENT SUBCLASS 250 / 337
.~ With heating of luminophors

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

336.1  DF  INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING {16}
337.~ With heating of luminophors

DEFINITION

Classification: 250/337

(under subclass 336) Subject matter having means or steps for thermally exciting to luminescence a material that is or has been exposed to invisible radiation in combination with means responsive to the luminescence to produce an electric signal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

361+, for luminophors in combination with luminescence responsive electric signalling means without heating.

483.1+, for luminophors, per se.