US PATENT SUBCLASS 359 / 325
OPTICAL DEMODULATOR

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

325OPTICAL DEMODULATOR

DEFINITION

Classification: 359/325

OPTICAL DEMODULATOR:

(under the class definition) Subject matter wherein an original modulating wave is recovered from a previously modulated light wave.

(1) Note. These devices may include a photodetector as long as a modulating wave is isolated.

SEE OR SEARCH THIS CLASS, SUBCLASS:

189+, for optical communication receivers which include an optical demodulator.

237+, for an optical modulator, per se.

SEE OR SEARCH CLASS

250, Radiant Energy,

200+, for photocell circuits and systems which convert light wave energy into electricity. 329, Demodulators, for electrical demodulators in general.