发明名称 APPARATUS AND SYSTEM FOR PROVIDING WIDEBAND VOICE QUALITY IN A WIRELESS TELEPHONE.
摘要 <p>A wideband voice electro-acoustic apparatus for a wireless telephone, including a mouthpiece for a wireless telephone. The mouthpiece has a wideband voice frequency response/passband in the frequency range of 200 Hz to 7000 Hz. The apparatus also includes an earpiece for a wireless telephone. The earpiece has a wideband voice passband in the frequency range of 200 Hz to 7000 Hz. The wideband voice electro-acoustic apparatus improves the voice quality of wireless voice band communication over that available using a conventional wireless telephone having an electro-acoustic passband smaller than 200 Hz to 7000 Hz.</p>
申请公布号 MXPA04008877(A) 申请公布日期 2004.12.13
申请号 MX2004PA08877 申请日期 2003.03.13
申请人 QUALCOMM INCORPORATED 发明人 LOUIS DOMINIC OLIVEIRA
分类号 H04M1/03;H04R1/22;H04R1/28;(IPC1-7):H04M1/60;H04M1/725 主分类号 H04M1/03
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