公开(公告)号：JP2008182583A

公开(公告)日：2008-08-07

申请号：JP2007015352

申请日：2007-01-25

Applicant: Toa Corp ,  ティーオーエー株式会社

Inventor： NEGISHI HIROKAZU ,  OGA TOSHIRO ,  MAEDA KAZUAKI

IPC: H04R23/00

Abstract: PROBLEM TO BE SOLVED: To provide an air flow speaker which generates high grade voice.
SOLUTION: The air flow speaker 1 concerning the present invention is provided with: an air flow generation means 2 for generating air flow; an air flow passage 3 through which the air flow generated by the air flow generation means 2 passes and a passage cross section changing means 4 for changing cross section of the air flow passage 3. Then, an ultrasonic motor 10 is used as a driving source of the passage cross section changing means 4 and the ultrasonic motor 10 is controlled based on a voice signal.
COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供产生高等级语音的气流扬声器。 解决方案：关于本发明的气流扬声器1设置有：用于产生空气流的空气流产生装置2; 通过由气流产生装置2产生的空气流通过的气流通道3和用于改变空气流动通道3的横截面的通道横截面改变装置4.然后，使用超声波马达10作为驱动源 的通道横截面改变装置4和超声波马达10是基于声音信号进行控制的。 版权所有（C）2008，JPO＆INPIT