US PATENT SUBCLASS 359 / 502
.~.~ With color filter

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

Internet Version by PATENTEC © 1999      Terms of Use


359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

483  DF  POLARIZATION WITHOUT MODULATION {2}
485  DF  .~ Light polarization without any external input {8}
502.~.~ With color filter

DEFINITION

Classification: 359/502

With color filter:

(under subclass 485) Subject matter where a polarizing structure is combined with structure to selectively absorb or transmit specific light wavelengths.

SEE OR SEARCH THIS CLASS, SUBCLASS:

490, for similar subject matter where the color is produced by a dichroic medium. (See (1) Note under subclass 490 for definition of dichroic.)

498, for similar subject matter where the only color produced is a result of interference between the ordinary and extraordinary light rays.