US PATENT SUBCLASS 455 / 316
.~.~.~.~ With frequency stabilization for at least one local oscillator

Current as of: June, 1999
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130  DF  RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER {24}
313  DF  .~ Frequency modifying or conversion {4}
314  DF  .~.~ Plural separate successive conversions {1}
315  DF  .~.~.~ With plural separate local oscillators {1}
316.~.~.~.~ With frequency stabilization for at least one local oscillator

DEFINITION

Classification: 455/316

With frequency stabilization for at least one local oscillator:

(under subclass 315) Subject matter including means whereby the output frequency of at least one of the plurality of separate local oscillator means is stabilized.