US PATENT SUBCLASS 381 / 6
.~.~.~.~.~ Having transmitter

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}
5  DF  .~.~.~.~ Four discrete channels {1}
6.~.~.~.~.~ Having transmitter

DEFINITION

Classification: 381/6

Having transmitter:

(under subclass 5) Subject matter including means for generating and modulating a carrier wave by a stereophonic signal and usually including the coupling of the modulated carrier wave to the transmission medium.

SEE OR SEARCH CLASS

455, Telecommunications,

39, 129 for radio transmitters in general.