发明名称 Audio Output Circuit and Audio Output Method
摘要 An audio output circuit including an input-signal generation block generating an input signal obtained by integrating a cyclic waveform and inputting the input signal to an audio amplifier at a transition from a normal operation to a power down state or at a return from the power down state to the normal operation, wherein an amplifier output terminal of the audio amplifier and an audio output unit are coupled via a capacitor.
申请公布号 US2008219479(A1) 申请公布日期 2008.09.11
申请号 US20080044516 申请日期 2008.03.07
申请人 FUJITSU LIMITED 发明人 IBUKURO SADAO
分类号 H04R25/00 主分类号 H04R25/00
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