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1. 发明申请

US20070180974A1 Jack motion-restricting device for upright piano 有权
标题翻译：杰克运动限制装置用于立式钢琴
公开(公告)号：US20070180974A1
公开(公告)日：2007-08-09
申请号：US11702354
申请日：2007-02-05
申请人： Hidenori Kugimoto
发明人： Hidenori Kugimoto
IPC分类号： G10C3/18
CPC分类号： G10C3/161
摘要： A jack motion-restricting device for an upright piano, which is capable of maintaining constant a jack motion-restricting position by a simple construction to thereby obtain an intended operation of the jack. The jack motion-restricting device restricts the motion of the jack operating in accordance with key depression by having the jack abut thereagainst. A base part of the device is provided at a location close to the jack. A base layer of the same is formed of a material having dimensional stability, and is affixed to the base part. A surface layer of the same is formed of a material having abrasion resistance and flexibility, and is affixed to the base layer, for having the jack abut thereagainst.
摘要翻译：一种用于立式钢琴的千斤顶运动限制装置，其能够通过简单的结构保持千斤顶运动限制位置的恒定，从而获得千斤顶的预期操作。千斤顶运动限制装置通过使千斤顶抵靠在其上的方式来限制千斤顶按照键按压操作的运动。设备的基座部分设置在靠近千斤顶的位置。其基层由具有尺寸稳定性的材料形成，并且固定到基部。其表面层由具有耐磨性和柔软性的材料形成，并且被固定到基层，以使杰克与其邻接。

2. 发明授权

US06774294B2 Key for musical instrument 失效
标题翻译：乐器钥匙
公开(公告)号：US06774294B2
公开(公告)日：2004-08-10
申请号：US10201283
申请日：2002-07-24
申请人： Hidenori Kugimoto , Jun Ishii , Kenichi Ookubo
发明人： Hidenori Kugimoto , Jun Ishii , Kenichi Ookubo
IPC分类号： G10C312
CPC分类号： G10C3/12
摘要： A key for a musical instrument is provided for facilitating the attachment of a weight, and adjustments of a touch load, while using an alternative material for substitution for lead as a material for the weight. The key comprises a swingable key body formed with embedding holes, and weights each made of a material other than lead and having a threaded outer peripheral surface. The weight is screwed into the embedding hole for removable fit into the key body to give a load to the key body. A plurality of types of weights different in load from one another are provided for selecting one having an appropriate load therefrom to adjust the touch load.
摘要翻译：提供乐器的一个关键是为了便于重量的附着和触摸负载的调整，同时使用替代材料来代替铅作为重量的材料。钥匙包括形成有嵌入孔的可摆动钥匙主体，并且每个由除了引线之外的材料制成并具有螺纹外周表面的重量。重量被拧入嵌入孔中以便可拆卸地装配到钥匙体中，从而给钥匙体加载。提供了彼此负载不同的多种类型的重量，用于选择具有适当负载的重量以调节触摸负载。

3. 发明授权

US07408102B2 Jack motion-restricting device for upright piano 有权
标题翻译：杰克运动限制装置用于立式钢琴
公开(公告)号：US07408102B2
公开(公告)日：2008-08-05
申请号：US11702354
申请日：2007-02-05
申请人： Hidenori Kugimoto
发明人： Hidenori Kugimoto
IPC分类号： G10C3/18
CPC分类号： G10C3/161
摘要： A jack motion-restricting device for an upright piano, which is capable of maintaining constant a jack motion-restricting position by a simple construction to thereby obtain an intended operation of the jack. The jack motion-restricting device restricts the motion of the jack operating in accordance with key depression by having the jack abut thereagainst. A base part of the device is provided at a location close to the jack. A base layer of the same is formed of a material having dimensional stability, and is affixed to the base part. A surface layer of the same is formed of a material having abrasion resistance and flexibility, and is affixed to the base layer, for having the jack abut thereagainst.
摘要翻译：一种用于立式钢琴的千斤顶运动限制装置，其能够通过简单的结构保持千斤顶运动限制位置的恒定，从而获得千斤顶的预期操作。千斤顶运动限制装置通过使千斤顶抵靠在其上的方式来限制千斤顶按照键按压操作的运动。设备的基座部分设置在靠近千斤顶的位置。其基层由具有尺寸稳定性的材料形成，并且固定到基部。其表面层由具有耐磨性和柔软性的材料形成，并且被固定到基层，以使杰克与其邻接。

4. 发明授权

US4958550A Tuning method and apparatus for keyboard musical instrument 失效
标题翻译：键盘乐器调音方法及装置
公开(公告)号：US4958550A
公开(公告)日：1990-09-25
申请号：US244049
申请日：1988-09-13
申请人： Hidenori Kugimoto
发明人： Hidenori Kugimoto
IPC分类号： G10C3/10 , G10C9/00 , G10G7/02
CPC分类号： G10C9/00 , G10G7/02 , Y10S84/18
摘要： A tuning apparatus for a keyboard musical instrument, having a load applicator for applying a load of a predetermined value to a string set up in place, a calculating device for calculating a deviation between a displacement value of the string produced when the load is applied to the string and a preset value of displacement predetermined to give a required frequency of vibration, and a rotating device for turning a tuning pin until the deviation calculated by the calculating device is reduced to zero.
摘要翻译：一种用于键盘乐器的调谐装置，具有用于将负载施加预定值的负载施加到设置在适当位置的弦的计算装置，用于计算当施加负载时产生的弦的位移值之间的偏差与弦和预定的位移值，以产生所需的振动频率;以及用于转动调谐销的旋转装置，直到由计算装置计算的偏差减小到零。

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