US PATENT SUBCLASS 359 / 181
.~.~ With particular modulation

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

109  DF  OPTICAL COMMUNICATION {13}
180  DF  .~ Transmitter {3}
181.~.~ With particular modulation {3}
182  DF  .~.~.~> Frequency modulation
183  DF  .~.~.~> Phase modulation
184  DF  .~.~.~> Pulse modulation {2}

DEFINITION

Classification: 359/181

With particular modulation:

(under subclass 180) Subject matter wherein apparatus is set forth to include the information signal in a specified manner onto a light wave carrier entering the device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

237+, for optical beam modulation without a transmitter.

SEE OR SEARCH CLASS

250, Radiant Energy,

493.1+, for radiant energy generation and sources.

348, Television, for projection TV modulated laser beam which requires scanning as distinguished from the optical communication of Class 359.

369, Dynamic Information Storage or Retrieval, 104, for a ribbon light modulator for radiation beam modification of or by a storage medium.

372, Coherent Light Generators,

38, for coherent light generators with particular component circuitry.