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    • 5. 发明公开
    • ACOUSTIC RESISTOR AND ACOUSTIC RESISTOR MEMBER AND ACOUSTIC DEVICE THAT COMPRISE SAME
    • 声学电阻器和声学电阻器构件以及包括它们的声学装置
    • EP3264790A1
    • 2018-01-03
    • EP16754985.6
    • 2016-02-22
    • Nitto Denko Corporation
    • HIRAI, BuntaFURUYAMA, SatoruMORI, MasaakiYAMAMOTO, Hajime
    • H04R1/10H04R1/28
    • H04R1/2811H04R1/10H04R1/28H04R1/2823H04R1/2869
    • The acoustic resistor of the present disclosure is an acoustic resistor for use in an audio device. The acoustic resistor includes a resin film having air permeability in a thickness direction of the resin film, and the resin film is a non-porous film having through holes formed to extend straight through the resin film in the thickness direction. This acoustic resistor is used in an audio device including: a transducing part that performs conversion between sound and an electrical signal and that incudes an acoustic element; a housing enclosing the transducing part and having at least one opening; and a passage for gas that is present inside the housing and communicates with the opening and in which the acoustic element is placed. The acoustic resistor is placed between the opening and the acoustic element in the passage. The variation in properties of the acoustic resistor of the present disclosure can be made smaller than that of conventional acoustic resistors.
    • 本公开的声学电阻器是用于音频设备中的声学电阻器。 声阻器包括在树脂膜的厚度方向上具有透气性的树脂膜,并且树脂膜是具有形成为沿厚度方向直线延伸穿过树脂膜的通孔的无孔膜。 该声学电阻器用于音频设备中,该音频设备包括:转换部分,其执行声音和电信号之间的转换并且包括声学元件; 包围换能部分并具有至少一个开口的壳体; 以及存在于壳体内并与开口连通并且放置声学元件的气体通道。 声阻器放置在通道中的开口和声学元件之间。 本公开的声学电阻器的特性的变化可以做得比传统声学电阻器的特性的变化更小。