公开(公告)号：US20070210267A1

公开(公告)日：2007-09-13

申请号：US11710986

申请日：2007-02-27

申请人： Kentaroh Ishii ,  Isamu Ohkubo ,  Akifumi Yamaguchi

发明人： Kentaroh Ishii ,  Isamu Ohkubo ,  Akifumi Yamaguchi

IPC分类号： G01N21/86 ,  G01V8/00

CPC分类号： G01S17/48

摘要： A light receiving device 12 that receives reflected light condensed by a light receiving condenser means 14 has two first and second electrodes 15, 16 provided on a light receiving surface at prescribed intervals along a baseline that connects a light emitting device 11 with the light receiving device and a resistive region 21 provided between the two electrodes. An electric charge generated at the incident position of light incident on the light receiving surface of the light receiving device 12 becomes a photo current and outputted from the first and second electrodes 15, 16 via the resistive region 21. The resistance value of the resistive region 21 of the light receiving device 12 is distributed so as to be roughly inversely proportional to a distance from the optical axis of the light receiving condenser means 14 to the incident position of a light spot on the light receiving surface.

摘要翻译： 接收由受光聚光器装置14会聚的反射光的光接收装置12具有沿着将发光装置11与光接收装置连接的基线以规定间隔设置在受光面上的两个第一和第二电极15,16 以及设置在两个电极之间的电阻区域21。 在入射到光接收装置12的光接收表面的光的入射位置处产生的电荷变成光电流，并且经由电阻区域21从第一和第二电极15,16输出。 光接收装置12的电阻区域21的电阻值被分布成与从光接收电容器14的光轴到光接收表面上的光点的入射位置大致成反比 。

公开(公告)号：US20080089539A1

公开(公告)日：2008-04-17

申请号：US11867056

申请日：2007-10-04

申请人： Kentaroh Ishii

发明人： Kentaroh Ishii

IPC分类号： H04R5/02

CPC分类号： H04R1/1041 ,  H04R1/1016 ,  H04R5/033 ,  H04R2420/07 ,  H04R2460/03

摘要： The wireless headphone 10 that receives an audio signal P in the form of an optical signal including a right-channel sound signal and a left-channel sound signal and that outputs sound from an audio output portion 12 is provided with first and second light receiving portions 15 and 16 that are disposed so as to be directed in different directions and receive the audio signal P. The wireless headphone 10 compares the S/N ratios of the signals received by the first and second light receiving portions 15 and 16, and, based on the comparison result, switches an output from the audio output portion 12 between right-channel sound and left-channel sound.

摘要翻译： 接收包括右声道声音信号和左声道声音信号并且从音频输出部分12输出声音的光学信号形式的音频信号P的无线耳机10设置有第一和第二光接收部分 15和16被布置为指向不同方向并接收音频信号P.无线耳机10比较由第一和第二光接收部分15和16接收的信号的S / N比，并且基于 根据比较结果，在右声道声音和左声道声音之间切换音频输出部分12的输出。