US PATENT SUBCLASS 353 / 81
PRISM IN LIGHT PATH


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



353 /   HD   OPTICS: IMAGE PROJECTORS

81PRISM IN LIGHT PATH


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.