US PATENT SUBCLASS 359 / 128
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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}
124  DF  .~.~ Wavelength division/frequency division (includes scattering, e.g., Raman, Brillouin, etc.) {4}
127  DF  .~.~.~ By optical coupling {4}
128.~.~.~.~ Switch

DEFINITION

Classification: 359/128

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(under subclass 127) Subject matter wherein the optical coupler selectively determines which output receives the input light beam.