US PATENT SUBCLASS 359 / 156
.~.~ With polarization

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

109  DF  OPTICAL COMMUNICATION {13}
154  DF  .~ Transmitter and receiver system {15}
156.~.~ With polarization

DEFINITION

Classification: 359/156

With polarization:

(under subclass 154) Subject matter wherein the optical beam of the transmitter and receiver system vibrates perpendicular to the beam's travelling direction.

(1) Note. These vibrations are in straight lines (plane polarization), circles (circular polarization), or ellipses (elliptical polarization).

SEE OR SEARCH THIS CLASS, SUBCLASS:

192, for polarization in a heterodyne optical receiver.