US PATENT SUBCLASS 333 / 133
.~.~.~ Utilizing electromechanical transducer

Current as of: June, 1999
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333 /   HD   WAVE TRANSMISSION LINES AND NETWORKS

1  DF  PLURAL CHANNEL SYSTEMS {4}
100  DF  .~ Having branched circuits {6}
132  DF  .~.~ For providing frequency separation {2}
133.~.~.~ Utilizing electromechanical transducer

DEFINITION

Classification: 333/133

Utilizing electromechanical transducer:

(under subclass 132) Subject matter wherein an electrical wave driven mechanical vibrator determines the frequency characteristic of the branched circuit.