US PATENT SUBCLASS 381 / 176
.~.~ Conductive diaphragm (e.g., reed, ribbon)


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



381 /   HD   ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES

150  DF  ELECTRO-ACOUSTIC AUDIO TRANSDUCER {18}
369  DF  .~ Microphone capsule only {10}
176.~.~ Conductive diaphragm (e.g., reed, ribbon)


DEFINITION

Classification: 381/176

Conductive diaphragm (e.g., reed, ribbon):

(under subclass 168) Subject matter having an electrically conductive element as a portion of the diaphragm.