US PATENT SUBCLASS 348 / 761
.~.~.~.~ Liquid crystal

Current as of: June, 1999
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348 /   HD   TELEVISION

739  DF  VIDEO DISPLAY {13}
744  DF  .~ Projection device {7}
759  DF  .~.~ Single light modulator {5}
760  DF  .~.~.~ Color TV {3}
761.~.~.~.~ Liquid crystal

DEFINITION

Classification: 348/761

Liquid crystal:

(under subclass 760) Subject matter wherein the modulator comprises a medium consisting of a material which flows like a liquid and exhibits, under the influence of an electrical signal, variable anisotropic optical properties characteristic of a crystal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

58, for stereoscopic display device which may use a liquid crystal material.

751, 766 and 790, for projection type display devices wherein a liquid crystal material is used to modulate a light beam.

SEE OR SEARCH CLASS

349, Liquid Crystal Cells, Elements and Systems, appropriate subclasses for utilizing a liquid crystal display structure in general.