发明名称 Audio player with decreasing environmental noise function
摘要 The present invention relates to an audio player for deceasing environment noise. The audio player includes an element arranged between a sound player and hearing to degrade playing sound and the environmental noise. An anti-decaying character is produced by electrical signal of the sound player to decrease the environmental noise corresponding to the decaying character of the decaying element and play an excellent timbre.
申请公布号 US2008063213(A1) 申请公布日期 2008.03.13
申请号 US20070889805 申请日期 2007.08.16
申请人 KAKUMOTO JUNICHI 发明人 KAKUMOTO JUNICHI
分类号 G10K11/16 主分类号 G10K11/16
代理机构 代理人
主权项
地址