carbon button
carbon button
[¦kär·bən ¦bət·ən] McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
He needed something that would be very sensitive, responding to the human voice and making a current change." In this work he recalled the glass tube-carbon powder configuration he had discarded several years before and created the
carbon button, a transmitter that is used in today's telephones.
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