发明名称 Method and apparatus for an in-vehicle audio system
摘要 An in-vehicle audio system provides audio paths for a variety of audio sources. Volume control is provided to vary the volume level of audible sound of one or more audio sources when produced by a plurality of speakers. Audio path control is provided to enable communication with a communication device to occur at the same time the audio is delivered to the speakers.
申请公布号 US2004078104(A1) 申请公布日期 2004.04.22
申请号 US20020278586 申请日期 2002.10.22
申请人 HITACHI, LTD. 发明人 NGUYEN CONG;YAMAMOTO TATSUO
分类号 H03G3/20;(IPC1-7):H04B1/00;G06F17/00;H03G3/00 主分类号 H03G3/20
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