发明名称 METHOD FOR REDUCING PHASE VARIATION OF SIGNALS GENERATED BY ELECTRET CONDENSER MICROPHONES
摘要 The invention provides a method for reducing phase variation of a signal generated by an electret condenser microphone. An error of a capacitance of the electret condenser microphone is reduced. An impedance of the electret condenser microphone is increased. A shunt resistance is added to the electret condenser microphone. A -3 dB cut-off frequency of the electret condenser microphone is lowered.
申请公布号 US2007237345(A1) 申请公布日期 2007.10.11
申请号 US20070696308 申请日期 2007.04.04
申请人 FORTEMEDIA, INC. 发明人 ZHANG BO;ZHANG MING;CHEN LILI
分类号 H04R3/00;H04R25/00 主分类号 H04R3/00
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