公开(公告)号：US20230199352A1

公开(公告)日：2023-06-22

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 ,  H04R31/00 ,  H04R1/40

CPC classification number: H04R1/023 ,  H04R1/025 ,  H04R31/006 ,  H04R1/403 ,  H04R2400/11

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：US20130305899A1

公开(公告)日：2013-11-21

申请号：US13894204

申请日：2013-05-14

Applicant: CASIO COMPUTER CO., LTD.

Inventor： Shigeyuki NAGATSUMA ,  Kazuo SHIMADA

IPC: G10C3/12

CPC classification number: G10C3/12 ,  G10H1/32

Abstract: A keyboard musical instrument of the present invention includes a musical instrument case which is substantially in a box shape and whose front side is open upward, a keyboard section which is arranged in the musical instrument case and exposed to the upper front side of the musical instrument case, a keyboard lid which has a front lid and a rear lid that are foldable and coupled together and openably and closably covers the upper side of the keyboard section, a lid guide section which guides the keyboard lid to be folded and placed near the rear portion of the keyboard section when guiding the keyboard lid to expose the keyboard section upward, a loudspeaker which is arranged in the musical instrument case and positioned behind the keyboard section, and second sound emission holes provided in the upper portion of the musical instrument case.

Abstract translation: 本发明的键盘乐器包括一个大体上呈盒形并且其前侧向上敞开的乐器盒，配置在乐器盒中并暴露于乐器的上前侧的键盘部分 壳体，具有前盖和后盖的键盘盖，其可折叠并联接在一起并且可打开和关闭地覆盖键盘部分的上侧;盖引导部，其引导键盘盖折叠并放置在靠近后部 当引导键盘盖向上露出键盘部分时的键盘部分的部分，布置在乐器盒中并位于键盘部分后面的扬声器以及设置在乐器盒的上部的第二声音发射孔。