US PATENT SUBCLASS 329 / 324
.~.~ Input signal applied directly to local oscillator

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}
324.~.~ Input signal applied directly to local oscillator

DEFINITION

Classification: 329/324

Input signal applied directly to local oscillator:

(under subclass 323) Subject matter in which the modulated input signal has a direct interaction with the secondary source of oscillations and where the modulating signal is extracted directly therefrom.