US PATENT SUBCLASS 359 / 138
.~.~.~ By specific optical element

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

109  DF  OPTICAL COMMUNICATION {13}
115  DF  .~ Multiplex {7}
135  DF  .~.~ Time division {4}
138.~.~.~ By specific optical element {1}
139  DF  .~.~.~.~> Optical switch

DEFINITION

Classification: 359/138

By specific optical element:

(under subclass 135) Subject matter wherein the time division optical multiplexing is produced by specifically identified

optical elements.