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    • 21. 发明申请
    • Electroacoustic Transducer and Ear Speaker Device
    • 电声传感器和耳塞式扬声器
    • US20090154755A1
    • 2009-06-18
    • US11910321
    • 2007-02-01
    • Makoto YamagishiToru Sasaki
    • Makoto YamagishiToru Sasaki
    • H04R25/00
    • H04R5/033H04R1/1066H04R1/26H04R1/2819H04R1/2865H04R1/345H04R5/0335H04R2205/024H04R2460/13
    • A reproduced sound of high quality is allowed to be listened to by a listener while natural sound image localization is provided. By providing a housing 4L having internal space mounted at a predetermined position of the head of the listener, a speaker unit 7L mounted on one surface of the housing 4L and positioned away from an entrance of an external acoustic meatus of the listener for a predetermined distance when the housing 4L is mounted on the head 100 of the listener, and a tubular duct 8L extended so as to allow a sound generated by the housing 4L to reach the vicinity of the entrance of the external acoustic meatus of the listener, the sound generated by the housing 4L can be directly reached to an eardrum 103L in the inside of the external acoustic meatus from the vicinity of the entrance of the external acoustic meatus of the listener via a tubular duct 8L. In this manner, a sound at an sufficient level can be listened to by the listener while the natural sound image localization is provided as an open type.
    • 当提供自然的声音图像定位时,听众可以听到高质量的再生声音。 通过设置具有安装在收听者的头部的预定位置的内部空间的壳体4L,安装在壳体4L的一个表面上并且远离收听者的外部声学物体的入口定位的扬声器单元7L,预定距离 当壳体4L安装在收听者的头部100上时,并且管状管道8L被延伸以允许由壳体4L产生的声音到达收听者的外部声学入口的附近,产生的声音 通过壳体4L可以经由管状管道8L从收听者的外耳道的入口附近直接到达外耳道内侧的鼓膜103L。 以这种方式,可以由收听者收听足够水平的声音,同时提供自然声音图像定位作为开放式。