US PATENT SUBCLASS 235 / 473
.~.~.~ Light pipes

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

Internet Version by PATENTEC © 1999      Terms of Use


235 /   HD   REGISTERS

435  DF  CODED RECORD SENSORS {9}
439  DF  .~ Particular sensor structure {8}
454  DF  .~.~ Optical {10}
473.~.~.~ Light pipes

DEFINITION

Classification: 235/473

Light pipes:

(under subclass 454) Subject matter wherein light fibers are utilized to convey light from a light source to the coded indicia on the record and/or from the coded indicia to a sensor.

SEE OR SEARCH CLASS

250, Radiant Energy,

227.11+, for light conducting rods utilized as pre-photocell optical systems.

385, Optical Waveguides, appropriate subclasses for light conducting rods, per se.