US PATENT SUBCLASS 353 / 81
PRISM IN LIGHT PATH
Current as of: June, 1999
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DEFINITION
Classification: 353/81
(under the class definition) Subject matter including a prism in the optical path to reflect or refract the light rays of the path.
SEE OR SEARCH THIS CLASS, SUBCLASS:
33, and 36, for a projector for producing a composite image which includes a prism, especially subclass 33 for a composite projector for multicolor pictures which includes a prism.
70, for a prism employed to correct for keystone effects.
SEE OR SEARCH CLASS
359, Optics: Systems (Including Communication) and Elements, 669, for a lens in combination with a prism anomorphoser and subclasses 831+ for prisms, per se.
