H - Electricity – 04 – M
Patent
H - Electricity
04
M
H04M 1/62 (2006.01) H01R 24/58 (2011.01) H04M 1/03 (2006.01) H04M 1/60 (2006.01) H04R 1/04 (2006.01)
Patent
CA 2293937
Conventional telephone sets normally include a microphone housing defining an opening to the exterior which communicates with a cavity in the microphone housing within which is located an internal microphone, and leads connecting the internal microphone with a PCB. An improvement is proposed, namely the provision of an external microphone connected to a plug which is receivable snugly within the opening, thus to substantially block external sound from reaching the internal microphone. Contact devices link the PCB with portions of the plug and thus with the external microphone.
Mitel Corporation
Mitel Networks Corporation
Sim & Mcburney
LandOfFree
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