US PATENT SUBCLASS 455 / 223
.~.~.~ Short duration (noise blankers)

Current as of: June, 1999
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130  DF  RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER {24}
218  DF  .~ Squelch {5}
222  DF  .~.~ Noise controlled {1}
223.~.~.~ Short duration (noise blankers) {1}
224  DF  .~.~.~.~> Separate broadband detector channel

DEFINITION

Classification: 455/223

Short duration (noise blankers):

(under subclass 222) Subject matter where, in response to a noise pulse, the receiver output is squelched for a time period that is relatively short compared to the period of the demodulated signal.