US PATENT SUBCLASS 375 / 323
.~.~ Combined phase shift keyed and frequency shift keyed

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

316  DF  RECEIVERS {9}
322  DF  .~ Angle modulation {4}
323.~.~ Combined phase shift keyed and frequency shift keyed

DEFINITION

Classification: 375/323

Combined phase shift keyed and frequency shift keyed:

(under subclass 322) Subject matter in which the received carrier has been modulated both as to its phase and frequency.

SEE OR SEARCH THIS CLASS, SUBCLASS:

273, for frequency shift and phase shift keyed systems.

SEE OR SEARCH CLASS

370, Multiplex Communications,

204, for multiplex communications with plural diverse modulation techniques.