Title :
A high-efficiency granule microphone using Se-Te alloys
Author :
Ohga, J. ; Shirai, S. ; Ochi, O. ; Takagi, T. ; Yoshikawa, A. ; Nagai, H. ; Mizushima, Y.
Author_Institution :
Nippon Telegraph and Telephone Public Corporation, Tokyo, Japan
fDate :
5/1/1975 12:00:00 AM
Abstract :
As a new material for the conventional granule-type micro phone utilizing carbon, selenium-tellurium alloy is proposed. This alloy granule microphone is characterized by high voltage sensitivity, low dc feed current, and, especially, small distortion.
Keywords :
Circuits; Error probability; Feeds; Microphones; Organic materials; Silicon compounds; Solids; Telephony; Tellurium; Voltage;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1975.9843