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1.发明申请公开(公告)号：US20090225999A1
公开(公告)日：2009-09-10
申请号：US12073395
申请日：2008-03-05
申请人： Duck Soo Lee
发明人： Duck Soo Lee
IPC分类号： H04R1/10
CPC分类号： H04R1/1091
摘要： A method for canceling a TDD noise and a stereo headphone employing the same are disclosed. In accordance with the method and the stereo headphone, an audio signal is applied to speakers through a virtual ground single-ended structure and a voice call signal is applied to the speakers via a BTL structure by turning on and turning off a virtual ground terminal to cancel the TDD noise and eliminate a need for a DC blocking capacitor.
摘要翻译： 公开了一种用于消除TDD噪声的方法和采用它的立体声耳机。 根据该方法和立体声耳机，通过虚拟地面单端结构将音频信号施加到扬声器，并且通过打开和关闭虚拟接地终端，通过BTL结构将语音呼叫信号施加到扬声器 消除TDD噪声，并消除对隔直流电容器的需要。
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公开(公告)号：US08315416B2
公开(公告)日：2012-11-20
申请号：US11769822
申请日：2007-06-28
申请人： Duck Soo Lee
发明人： Duck Soo Lee
CPC分类号： H04R5/02 , H04M1/6016 , H04M1/6033 , H04R5/033 , H04R2201/107 , H04R2420/07
摘要： A necklace type sound reproduction apparatus is disclosed. The apparatus is detachable from a media player to be worn on a neck of a user. An acoustic sound reproduced by a digital amplifier and a speaker of the apparatus is delivered to an ear of the user without using an earphone or a headphone via an audio signal processing.
摘要翻译： 公开了一种项链式声音再生装置。 该装置可从媒体播放器拆卸以佩戴在用户的颈部上。 由数字放大器和设备的扬声器再现的声音被传送到用户的耳朵，而不经由音频信号处理使用耳机或耳机。
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3.发明授权公开(公告)号：US08275159B2
公开(公告)日：2012-09-25
申请号：US12076892
申请日：2008-03-25
申请人： Duck Soo Lee
发明人： Duck Soo Lee
摘要： A media playback media playback apparatus having user-selectable shapes is disclosed. In accordance with the media playback apparatus having user-selectable shapes in accordance with the present invention, speakers are attached to a media playback unit via rotatable connecting means such that a user may select a shape of the media playback apparatus according to his or her preference.
摘要翻译： 公开了具有用户可选形状的媒体播放媒体播放设备。 根据根据本发明的具有用户可选形状的媒体播放装置，扬声器通过可旋转连接装置附接到媒体播放单元，使得用户可以根据他或她的喜好选择媒体播放装置的形状 。
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