US PATENT SUBCLASS 250 / 365
.~.~.~ Ultraviolet light source

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

336.1  DF  INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING {16}
361 R  DF  .~ With or including a luminophor {7}
363.01  DF  .~.~ With radiant energy source {3}
365.~.~.~ Ultraviolet light source

DEFINITION

Classification: 250/365

Subject matter under subclasses 363.01+ wherein there is at least one source of electromagnetic radiation in the ultraviolet region which irradiates either the luminophor or the photo detector or both.