公开(公告)号：US11051099B2

公开(公告)日：2021-06-29

申请号：US16308056

申请日：2017-07-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Takao Saito ,  Sumio Tate ,  Makoto Takashiro ,  Yasunobu Tsukio ,  Fumiyasu Konno

IPC: H04R1/00 ,  H04R1/40 ,  H01L41/08 ,  H04R1/32 ,  H04R5/02 ,  G08B15/00 ,  G08B25/00

Abstract: A sound reproduction device of the present disclosure includes a detection device that detects an object in a detecting area, and a superdirective speaker that can output a sound. In the superdirective speaker, directivity is set for the detecting area. When the detection device detects the object in the detecting area, the superdirective speaker outputs a sound to the detecting area.