US PATENT SUBCLASS 368 / 242
.~.~ With liquid crystal display (i.e., LCD)

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

Internet Version by PATENTEC © 1999      Terms of Use


368 /   HD   HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES

223  DF  DISPLAYS OR DISPLAY DEVICE DETAILS {5}
239  DF  .~ Optical {3}
242.~.~ With liquid crystal display (i.e., LCD)

DEFINITION

Classification: 368/242

With liquid crystal display (i.e., LCD):

(under subclass 239) Subject matter wherein the indicating means is comprised of liquid crystal material which reflects or transmits visible radiation upon application of an electrical voltage.

SEE OR SEARCH THIS CLASS, SUBCLASS:

30, for timepieces with calendar information LCD display.

84, for chronological timepieces with LCD display.

SEE OR SEARCH CLASS

40, Card, Picture, or Sign Exhibiting,

448, for liquid crystal changing exhibitors.

252, Compositions, 299.01+, for liquid crystal compositions, per se.

345, Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems,

38, 50+, and 87+ for liquid crystal display devices with selective electrical control.

349, Liquid Crystal Cells, Elements and Systems, appropriate subclasses and especially

142, for optical systems and elements utilizing liquid crystal materials.