Telephonic communications – Terminal – Housing or housing component
Patent
1994-11-21
1998-12-01
Chiang, Jack
Telephonic communications
Terminal
Housing or housing component
381380, H04M 100, H04R 2500
Patent
active
058449841
ABSTRACT:
A two way voice communications earset which is situated in the ear of the user and which includes a filter in an audio signal loop coupling a microphone and a speaker of the earset.
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Konomi Masao
Yamaguchi Noboru
Chiang Jack
Pan Communications, Inc.
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