US PATENT SUBCLASS 375 / 215
.~.~ Phase locked loop

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

211  DF  REPEATERS {3}
214  DF  .~ Including pulse regeneration or conversion {1}
215.~.~ Phase locked loop

DEFINITION

Classification: 375/215

Phase locked loop:

(under subclass 214) Subject matter having a closed-loop electronic servomechanism the output of which locks onto and tracks a received clock signal to provide the frequency and phase aligned receiver clock.