US PATENT SUBCLASS 375 / 329
.~.~ Phase shift keying

Current as of: June, 1999
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375 /   HD   PULSE OR DIGITAL COMMUNICATIONS

316  DF  RECEIVERS {9}
322  DF  .~ Angle modulation {4}
329.~.~ Phase shift keying {3}
330  DF  .~.~.~> Differential (diphase) {1}
332  DF  .~.~.~> Plural phase (>2)
333  DF  .~.~.~> Biphase (manchester code)

DEFINITION

Classification: 375/329

Phase shift keying:

(under subclass 322) Subject matter in which the phase of the carrier detected has been varied according to the pulse or digital information.

SEE OR SEARCH THIS CLASS, SUBCLASS:

279+, for phase shift systems.

308, for phase shift keyed transmitters.

SEE OR SEARCH CLASS

329, Demodulators,

304+, for a phase shift keying or quadrature amplitude demodulator, per se. 455, Telecommunications,

205, for frequency modulation receivers.