US PATENT SUBCLASS 329 / 325
.~.~ Including phase or frequency locked loop

Current as of: June, 1999
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329 /   HD   DEMODULATORS

315  DF  FREQUENCY MODULATION DEMODULATOR {7}
323  DF  .~ Input signal combined with local oscillator or carrier frequency signal {2}
325.~.~ Including phase or frequency locked loop {1}
326  DF  .~.~.~> Including discrete semiconductor device

DEFINITION

Classification: 329/325

Including phase or frequency locked loop:

(under subclass 323) Subject matter in which a phase or frequency locked loop provides stability to the secondary source of oscillations.

SEE OR SEARCH CLASS

331, Oscillators,

1+, for phase or frequency locked loops, per se.

455, Telecommunications,

260, for phase lock loop or frequency synthesizer in a

receiver.