公开(公告)号：US09520107B2

公开(公告)日：2016-12-13

申请号：US14479617

申请日：2014-09-08

申请人： Yamaha Corporation

发明人： Tadaharu Kato ,  Toshiro Sakai

IPC分类号： G10C3/02 ,  B29C44/02 ,  B29K55/02 ,  B29K105/00 ,  B29K105/04 ,  B29L9/00 ,  B29L31/00

CPC分类号： G10C3/02 ,  B29C44/02 ,  B29K2055/02 ,  B29K2105/0005 ,  B29K2105/04 ,  B29L2009/00 ,  B29L2031/758

摘要： Provided is a keyboard musical instrument such as an acoustic piano or an electronic piano having an appearance and design similar to an acoustic piano, in which a fall board is made of a resin plate-shaped body, and hollow portions are provided inside the plate-shaped body. In addition, the plate-shaped body includes a plate-shaped resin foamed plate portion, and the hollow portions are made of plural air bubbles contained inside the resin foamed plate portion.

摘要翻译： 本发明提供了一种键琴乐器，例如原声钢琴或具有类似于原声钢琴的外观和设计的电子钢琴，其中坠落板由树脂板状主体制成，并且中空部分设置在板状体内， 形体。 此外，板状体包括板状树脂发泡板部分，并且中空部分由容纳在树脂发泡板部分内的多个气泡制成。

公开(公告)号：US10304435B2

公开(公告)日：2019-05-28

申请号：US15386632

申请日：2016-12-21

申请人： YAMAHA CORPORATION

发明人： Shingo Ekuni ,  Tadaharu Kato

IPC分类号： G10H3/14 ,  G10D1/08 ,  G10H1/045 ,  G10H1/32 ,  H04R1/02 ,  H04R9/06

摘要： A musical instrument, including: an acoustic portion configured to generate sounds in accordance with a vibration; a plurality of soundboard braces attached to a flat surface of the acoustic portion; a bracket supported by two of the plurality of soundboard braces; and an acoustic transducer supported by the bracket and configured to vibrate the acoustic portion based on an acoustic signal inputted thereto, wherein the bracket is disposed so as to bridge the two of the plurality of soundboard braces, and the acoustic transducer vibrates the acoustic portion at a position between the two of the plurality of soundboard braces.

公开(公告)号：US09269335B2

公开(公告)日：2016-02-23

申请号：US14593063

申请日：2015-01-09

申请人： Yamaha Corporation

发明人： Kenta Ohnishi ,  Tadaharu Kato ,  Hiroyuki Murakami ,  Yuji Takahashi ,  Yoshiya Matsuo ,  Shinji Sumino

IPC分类号： G10H3/14 ,  G10C3/06 ,  F16C11/06 ,  G10H1/32 ,  G10H3/22

CPC分类号： G10C3/06 ,  F16C11/06 ,  F16C11/0671 ,  G10H1/32 ,  G10H3/22

摘要： An installation structure for an acoustic transducer configured to push and pull a vibrated body and having a magnetic-path forming portion; a vibrating unit; and a connector having at least one joint portion configured to connect two members such that axes of the two members are inclined relative to each other by bending at the at least one joint portion, the at least one joint portion having an urging portion configured to generate an urging force by which a pushing-side driving portion of a first member connected to one side of the at least one joint portion urges a pushing-side driven portion of a second member connected on another side of the at least one joint portion in a pushing direction and an urging force by which a pulling-side driving portion of the first member urges a pulling-side driven portion of the second member in a pulling direction.

摘要翻译： 一种用于声学换能器的安装结构，其构造成推动和拉动振动体并具有磁路形成部分; 振动单元; 以及连接器，其具有至少一个接合部分，其被构造成连接两个部件，使得两个部件的轴线在至少一个关节部分处弯曲而相对于彼此倾斜，所述至少一个接合部分具有被构造成产生 连接在至少一个接头部分的一侧的第一构件的推动侧驱动部分的推动力促使连接在至少一个接头部分的另一侧上的第二构件的推动侧从动部分 推动方向和推动力，第一构件的拉动侧驱动部分沿着牵引方向推动第二构件的牵引侧从动部分。

公开(公告)号：US20150206514A1

公开(公告)日：2015-07-23

申请号：US14593063

申请日：2015-01-09

申请人： Yamaha Corporation

发明人： Kenta Ohnishi ,  Tadaharu Kato ,  Hiroyuki Murakami ,  Yuji Takahashi ,  Yoshiya Matsuo ,  Shinji Sumino

IPC分类号： G10C3/06

CPC分类号： G10C3/06 ,  F16C11/06 ,  F16C11/0671 ,  G10H1/32 ,  G10H3/22

摘要： An installation structure for an acoustic transducer configured to push and pull a vibrated body and having a magnetic-path forming portion; a vibrating unit; and a connector having at least one joint portion configured to connect two members such that axes of the two members are inclined relative to each other by bending at the at least one joint portion, the at least one joint portion having an urging portion configured to generate an urging force by which a pushing-side driving portion of a first member connected to one side of the at least one joint portion urges a pushing-side driven portion of a second member connected on another side of the at least one joint portion in a pushing direction and an urging force by which a pulling-side driving portion of the first member urges a pulling-side driven portion of the second member in a pulling direction.

摘要翻译： 一种用于声学换能器的安装结构，其构造成推动和拉动振动体并具有磁路形成部分; 振动单元; 以及连接器，其具有至少一个接合部分，其被构造成连接两个部件，使得两个部件的轴线在至少一个关节部分处弯曲而相对于彼此倾斜，所述至少一个接合部分具有被构造成产生 连接在至少一个接头部分的一侧的第一构件的推动侧驱动部分的推动力促使连接在至少一个接头部分的另一侧上的第二构件的推动侧从动部分 推动方向和推动力，第一构件的拉动侧驱动部分沿着牵引方向推动第二构件的牵引侧从动部分。