US PATENT SUBCLASS 455 / 182.2
.~.~.~.~ Automatic (AFC)

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}
179.1  DF  .~.~ Channel or station selection {8}
182.1  DF  .~.~.~ With frequency control {1}
182.2.~.~.~.~ Automatic (AFC)

DEFINITION

Classification: 455/182.2

Automatic (AFC):

(under subclass 182.1) Subject matter wherein the control means is a self-regulating control circuit in the receiver which compensates for small variations in a carrier signal frequency to provide a stable audio output.

SEE OR SEARCH CLASS

348, Television,

735, for television receiver with automatic frequency control.