US PATENT SUBCLASS 381 / 117
.~ With magnetic loudspeaker

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

111  DF  CIRCUITRY COMBINED WITH SPECIFIC TYPE MICROPHONE OR LOUDSPEAKER {6}
117.~ With magnetic loudspeaker

DEFINITION

Classification: 381/117

With magnetic loudspeaker:

(under subclass 111) Subject matter where the transducer is a magnetic loudspeaker.

SEE OR SEARCH THIS CLASS, SUBCLASS:

192+, for a magnetic loudspeaker, per se.