US PATENT SUBCLASS 349 / 118
.~.~.~ With refractive indices in the x, y, and z directions

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

Internet Version by PATENTEC © 1999      Terms of Use


349 /   HD   LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS

56  DF  PARTICULAR STRUCTURE {7}
84  DF  .~ Having significant detail of cell structure only {17}
117  DF  .~.~ Compensator or retarder (i.e., not using liquid crystal cell) {3}
118.~.~.~ With refractive indices in the x, y, and z directions

DEFINITION

Classification: 349/118

With refractive indices in the x, y, and z directions:

(under subclass 117) Subject matter wherein the compensator

or retarder is described as having three refractive indices, one in each of the x, y, and z directions.