US PATENT SUBCLASS 455 / 309
.~.~.~ In demodulator or low frequency (audio amplifier circuit)

Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

130  DF  RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER {24}
296  DF  .~ Noise or interference elimination {10}
308  DF  .~.~ With amplitude limiter {1}
309.~.~.~ In demodulator or low frequency (audio amplifier circuit)

DEFINITION

Classification: 455/309

In demodulator or low frequency (audio amplifier circuit):

(under subclass 308) Subject matter wherein the diode or other amplitude limiting means is a part of or associated with the demodulator or audio frequency circuits of the receiver.

SEE OR SEARCH CLASS

329, Demodulators, particularly

321, and 350 for amplitude limiting in a frequency or amplitude demodulator respectively.