US PATENT SUBCLASS 455 / 209
.~.~.~ Plural local oscillators or mixers

Current as of: June, 1999
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130  DF  RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER {24}
205  DF  .~ Frequency or phase modulation {7}
208  DF  .~.~ With synchronized or controlled local oscillator {1}
209.~.~.~ Plural local oscillators or mixers

DEFINITION

Classification: 455/209

Plural local oscillators or mixers:

(under subclass 208) Subject matter where there is more than one local oscillator or mixer in the receiver.