(under subclass 15) Subject matter wherein an optical waveguide is used as a common trunk line to which a number of terminals can be interconnected through optical couplers.
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46, Star coupler, for input only on one specified input terminal which is distributed to many terminals.
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341, Coded Data Generation or Conversion,
137, for analog to digital and digital to analog conversion utilizing fiber optics.
180+, for light pens used as input devices for visual display systems with selective electrical control. 359, Optics: Systems (Including Communi-cation) and Elements,
118, for multiplexed optical local area networks (LANS), subclass 127 for wavelength division or frequency division multi-plexing by optical coupling; subclass 173 for optical communication systems including a transmitter, a receiver, and an optical waveguide; and subclasses 107+ for optical computing.
365, Static Information Storage and Retrieval,
112, for optically performed static storage/retrieval of data.
369, Dynamic Information Storage or Retrieval,
18, for optically performed dynamic storage/retrieval of data.
379, Telephonic Communications,
53, and 56 for optically performed telephonic communications.
