H - Electricity – 04 – M
Patent
H - Electricity
04
M
349/59
H04M 1/20 (2006.01) H04M 1/02 (2006.01) H04R 1/08 (2006.01)
Patent
CA 1297578
ABSTRACT OF THE DISCLOSURE A modular microphone assembly housed in a handsfree telephone apparatus provides an environment that is isolated from a loudspeaker installed within the apparatus and through which environment the directional and frequency response characteristics of a directional microphone capsule contained within a closable cavity of a microphone mounting receptacle in the assembly are altered via a predetermined internal surface configuration of the receptacle to improve the performance of the apparatus.
559950
Basnett Bradley Paul
Eldershaw Michael Keith
Fatovic Peter
Gagnon Jacques
Goldmann Nahum
Na
Nortel Networks Limited
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