公开(公告)号：US20190313183A1

公开(公告)日：2019-10-10

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: H04R1/40 ,  H04R5/02 ,  H01L41/08 ,  H04R1/32

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.

公开(公告)号：US20210289290A1

公开(公告)日：2021-09-16

申请号：US17334282

申请日：2021-05-28

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Takao SAITO ,  Sumio TATE ,  Makoto TAKASHIRO ,  Yasunobu TSUKIO ,  Fumiyasu KONNO

IPC: 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.