US PATENT SUBCLASS 370 / 483
.~.~ Using angle modulation

Current as of: June, 1999
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370 /   HD   MULTIPLEX COMMUNICATIONS

464  DF  COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS {9}
480  DF  .~ Combining or distributing information via frequency channels {11}
483.~.~ Using angle modulation

DEFINITION

Classification: 370/483

Using angle modulation:

(under subclass 480) Subject matter using a modulation in which an angle of a sine wave carrier is a characteristic varied from its normal value by modulation.

(1) Note. Phase and frequency modulation are particular forms of angle modulation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

215, for phase modulation.