US PATENT SUBCLASS 375 / 273
.~.~.~ Combined with phase shift keying


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



375 /   HD   PULSE OR DIGITAL COMMUNICATIONS

259  DF  SYSTEMS USING ALTERNATING OR PULSATING CURRENT {4}
271  DF  .~ Angle modulation {2}
272  DF  .~.~ Frequency shift keying {6}
273.~.~.~ Combined with phase shift keying


DEFINITION

Classification: 375/273

Combined with phase shift keying:

(under subclass 272) Subject matter where phase shift keying is combined with the frequency shift keying.