US PATENT SUBCLASS 381 / 8
.~.~.~.~.~ Two diodes

Current as of: June, 1999
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381 /   HD   ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES

1  DF  BINAURAL AND STEREOPHONIC {8}
2  DF  .~ Broadcast or multiplex stereo {2}
3  DF  .~.~ FM final modulation {1}
4  DF  .~.~.~ AM subcarrier {7}
7  DF  .~.~.~.~ Switch-type detector or modulator {2}
8.~.~.~.~.~ Two diodes

DEFINITION

Classification: 381/8

Two diodes:

(under subclass 7) Subject matter in which the detector or demodulator is limited to containing, two diodes.