US PATENT SUBCLASS 375 / 376
.~.~.~ Phase locked loop

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

354  DF  SYNCHRONIZERS {7}
371  DF  .~ Phase displacement, slip or jitter correction {2}
373  DF  .~.~ Phase locking {3}
376.~.~.~ Phase locked loop

DEFINITION

Classification: 375/376

Phase locked loop:

(under subclass 373) Subject matter having a closed-loop electronic servomechanism the output of which locks onto and tracks a received signal to provide the frequency and phase aligned receiver clock.