公开(公告)号：US4378721A

公开(公告)日：1983-04-05

申请号：US367356

申请日：1982-04-12

申请人： Kenkichi Kaneko ,  Katsuyuki Tanaka ,  Satoru Hayashi ,  Kensaku Hakamada ,  Masakazu Matsumoto ,  Shinji Tagaki ,  Takayuki Goshima

发明人： Kenkichi Kaneko ,  Katsuyuki Tanaka ,  Satoru Hayashi ,  Kensaku Hakamada ,  Masakazu Matsumoto ,  Shinji Tagaki ,  Takayuki Goshima

IPC分类号： G10H3/18 ,  H01L41/24

CPC分类号： G10H3/185 ,  H01L41/183 ,  H01L41/43 ,  G10H2220/471 ,  G10H2220/495 ,  G10H2220/551 ,  Y10S310/80 ,  Y10S84/24

摘要： A pickup for an electric string type instrument comprising an elongated piezo-electric member formed by mixing a high molecular material with piezo-electric ceramic powder and a vulcanizing or cross-linking agent and then vulcanizing or cross-linking the mixture. In order to complete the pickup a pair of electrodes are mounted on the elongated member and the member is then subjected to a polarization treatment. The piezo-electric member can be formed as a flat belt-shaped member with the electrodes mounted on both surfaces thereof or it can be formed as a cylinder in which one of the electrodes extends axially in the piezo-electric member and the other electrode is mounted on the outer periphery of the piezo-electric member. A plurality of the pickups can be joined in parallel relation within an elastic support and the latter can be mounted between the strings and the frame of the string instrument through the intermediary of a bridge member.

摘要翻译： 一种电串式仪器的拾取器，包括通过将高分子材料与压电陶瓷粉末混合形成的细长压电构件和硫化或交联剂，然后硫化或交联混合物。 为了完成拾取，一对电极安装在细长构件上，然后使构件进行极化处理。 压电构件可以形成为平面带状构件，其电极安装在其两个表面上，或者可以形成为气缸，其中一个电极在压电构件中轴向延伸，另一个电极为 安装在压电构件的外周上。 多个拾取器可以在弹性支撑件内并联连接，并且后者可以通过桥构件的中间安装在琴弦和弦乐器的框架之间。

公开(公告)号：US4455912A

公开(公告)日：1984-06-26

申请号：US342887

申请日：1982-01-26

申请人： Shinji Tagaki

发明人： Shinji Tagaki

IPC分类号： G10B3/00 ,  F16M11/38 ,  G10C1/06 ,  G10C3/00 ,  G10C3/02 ,  G10G5/00

CPC分类号： G10C3/02 ,  Y10S84/17

摘要： A keyboard musical instrument is provided which comprises a main body which has a playing position and an upright position and first and second legs which are positioned on the front and rear of the main body for supporting the main body in the playing position. A hinge device connects the main body and the first legs such that the main body is pivoted about the hinge means for moving the main body between the playing position and the upright position.

摘要翻译： 提供了一种键盘乐器，其包括具有播放位置和直立位置的主体以及位于主体的前后的第一和第二腿，用于将主体支撑在播放位置。 铰链装置连接主体和第一腿，使得主体围绕铰链装置枢转，用于使主体在演奏位置和直立位置之间移动。

公开(公告)号：US4084473A

公开(公告)日：1978-04-18

申请号：US714267

申请日：1976-08-13

申请人： Riichi Kitashima ,  Masakazu Matsumoto ,  Shinji Tagaki

发明人： Riichi Kitashima ,  Masakazu Matsumoto ,  Shinji Tagaki

IPC分类号： G10C3/04 ,  G10H3/18

CPC分类号： G10H3/185 ,  G10C3/04 ,  G10H2220/475 ,  G10H2220/495 ,  G10H2220/525

摘要： An electric piano having a casing provided with a frame made as a casting or the like with a plurality of strings stretched on the piano and supported at intermediate portions by a bridge member. A plurality of hammers driven by respective keys strikes the strings and pickups are provided for detecting vibrations of the strings. An amplifier is connected to the pickups and a speaker is connected to the amplifier. The bridge member is supported on supporting members attached to the frame through shock absorbing members of rubber or the like, and the pickups are constituted by piezoelectric elements mounted at any desired position in the supporting members.

摘要翻译： 一种电动钢琴，其具有设置有作为铸件等的框架的壳体，其具有在钢琴上拉伸的多个弦，并且通过桥构件在中间部分处被支撑。 由各个键驱动的多个锤子撞击琴弦，提供拾音器以检测琴弦的振动。 放大器连接到拾音器，扬声器连接到放大器。 桥构件通过橡胶等的冲击吸收构件被支撑在附接到框架的支撑构件上，拾取器由安装在支撑构件中的任何期望位置的压电元件构成。