公开(公告)号：US20210297767A1

公开(公告)日：2021-09-23

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 ,  H04R1/40 ,  H04R3/12 ,  H04R1/02

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.