US PATENT SUBCLASS 455 / 192.3
.~.~.~ Fine tuning

Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

130  DF  RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER {24}
150.1  DF  .~ Signal selection based on frequency (e.g., tuning) {13}
192.1  DF  .~.~ With frequency control {2}
192.3.~.~.~ Fine tuning

DEFINITION

Classification: 455/192.3

Fine tuning:

(under subclass 192.1) Subject matter wherein the control means includes means to permit fine adjustment (either manually or automatically, i.e., AFT) of the local oscillator to the carrier frequency of a desired signal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

173.1, for receivers with mechanical or electromechanical frequency selection means using AFC or fine tuning control.

182.3, for channel or station selection receivers with manual or automatic fine tuning.