Telephone handset having close-talking microphone

Details Telephone handset having close-talking microphone Telephone handset having close-talking microphone

H - Electricity

04

M

379/109, 349/59

H04M 1/04 (2006.01) H04M 1/03 (2006.01)

Patent

CA 1199138

TELEPHONE HANDSET HAVING CLOSE-TALKING MICROPHONE Abstract of the Disclosure An arrangement for providing close-talking in a telephone handset in which a gradient electroacoustic transducer unit is surrounded and supported by an acoustically transparent foam covering, that is substantially centrally located between relatively large holes in the front and back surfaces of the handset housing. The covering overlays the acoustic ports in the transducer unit and thereby disperses acoustic waves passing therethrough. -1-

442207

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