公开(公告)号：US12185041B2

公开(公告)日：2024-12-31

申请号：US18082741

申请日：2022-12-16

Applicant: CASIO COMPUTER CO., LTD.

Inventor： Hiroki Akai ,  Kazuo Shimada ,  Hirokatsu Katoh ,  Takahiro Moriya

IPC: H04R1/02 ,  H04R1/40 ,  H04R31/00

Abstract: A sound radiation apparatus includes a speaker, a first cover having an opening area provided to be superposed above at least a sound radiation port of the speaker and made up of multiple opening portions at a location superposed above the speaker, a second cover superposed on a front side of the first cover while surrounding the opening area of the first cover, and a saran net covering the first cover and a front side of the second cover and bonded to the second cover, wherein the second cover and the saran net are bonded together at an area on the second member excluding a portion surrounding the opening area of the first cover with a first adhesive and an area on the second cover surrounding the opening area of the first cover with a second adhesive having a higher bonding strength than that of the first adhesive.

公开(公告)号：US12003918B2

公开(公告)日：2024-06-04

申请号：US17200724

申请日：2021-03-12

Applicant: CASIO COMPUTER CO., LTD.

Inventor： Ryohei Kobayashi ,  Hiroki Akai ,  Teruo Jinbo ,  Kouji Oshima ,  Shingo Fukushima

IPC: H04R1/28 ,  G10H1/34 ,  H04R1/02 ,  H04R1/40 ,  H04R3/12

CPC classification number: H04R1/2826 ,  G10H1/344 ,  H04R1/025 ,  H04R1/2834 ,  H04R1/403 ,  H04R3/12 ,  G10H2220/221

Abstract: An electronic musical instrument according to one embodiment of the present disclosure includes a loudspeaker which releases sounds in a first direction in accordance with an instrument playing operation, an internal component which includes a substrate, a case which houses the loudspeaker and the internal component and has a first region which faces a rear face of the loudspeaker and a second region which faces a rear face of the internal component and does not face the rear face of the loudspeaker, and a sound releasing member which is disposed on an installation face side and in the second region, and releases acoustics in an acoustic space which is formed around the loudspeaker in a second direction which is opposite to the first direction.