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1. 发明授权

US10593309B2 Damper bar adjustment mechanism for keyboard percussion instrument 有权
公开(公告)号：US10593309B2
公开(公告)日：2020-03-17
申请号：US15409018
申请日：2017-01-18
申请人： Stephen J. Cole
发明人： Stephen J. Cole
IPC分类号： G10D13/02 , G10D13/08
摘要： A keyboard percussion instrument (100) generates sounds when keys (130) or other such members are struck. A movable damper bar (140) is brought into contact with the keys to artistically shorten their ringing duration. When pressed, a pedal (145) removes the damper bar from contact with the keys. When the pedal is released, a spring (1010) urges the damper bar into contact with the keys. The damper bar is supported by a pair of arms (165) that pivot about pivot points (800) at the ends of movable posts (520) that extend from a pair of pivot height adjusting mechanisms (175). Each pivot height adjusting mechanism has two adjusting screws. A first screw (510) urges a post to move up or down and a second screw (565) fixes the post in position when tightened. Adjusting the heights of the pivot points provides control over the damping of key vibrations.

2. 发明授权

US09922628B1 Vibraphone fan drive mechanism 有权
公开(公告)号：US09922628B1
公开(公告)日：2018-03-20
申请号：US15591464
申请日：2017-05-10
申请人： Stephen J. Cole
发明人： Stephen J. Cole
IPC分类号： G10D13/08 , H02K11/21 , H02K7/14 , H02P3/02
CPC分类号： H02P3/025 , G10D13/085 , H02K7/1004 , H02K7/14
摘要： A vibrato assembly for a keyboard percussion instrument comprises a motor and a vibrato fan or disc assembly. A motor (510) is responsive to a controller (1000), a run/stop switch (1035), and a potentiometer (1020). Pulleys (100A, 100B′, 515) and a timing belt (520) couple rotation of the motor to an assembly of resonator or vibrato fans (720) via one or more magnets (120) or magnetically susceptible members to isolate vibrations. A sensor is activated by one of the magnets to sense the rotational position of a pulley when the fans are oriented vertically. When a run/stop switch 1035 is in a “stop” condition, sensor 525 signals controller 1000 to stop the motor, thereby leaving the fans vertical so that resonant tubes (725) are in an open condition when the vibrato function is stopped.

3. 发明授权

US07439434B1 Multi-component percussion mallet 有权
标题翻译：多组分打击乐锤
公开(公告)号：US07439434B1
公开(公告)日：2008-10-21
申请号：US11330950
申请日：2006-01-11
申请人： Stephen J. Cole , Ronald L. Samuels
发明人： Stephen J. Cole , Ronald L. Samuels
IPC分类号： G10D13/02
CPC分类号： G10D13/003
摘要： An improved mallet for percussive musical instruments comprises, in one embodiment, a shaft (1100, 1200, etc.), an adapter or inner core (300, 1400), an elastomeric surrounding core (400), and an elastomeric core overlay (1200). Optionally a cover (1300), or optionally two simultaneously-wound layers of yarn or other wrapping material (1705, 1710) are attached over the assembly. The adapter or inner core and the elastomeric surrounding core are formed together in molds (700, 900). Yarns are wrapped either by hand or with the use of a wrapping machine comprising a rotary motive source, a chuck (1810), and wrapping arms (1825, 1830) for interweaving the layers of yarn. In an alternative embodiment the adapter has a through-hole to permit extension of the shaft through the adapter to near the top of the mallet head. Numerous percussive sound effects are achieved by selection of the properties of the adapter or inner core, surrounding core, overlay, and yarn layers.
摘要翻译：在一个实施例中，改进的冲击乐器的弹弓包括轴（1100,12200等），适配器或内芯（300,1400），弹性体围绕芯（400）和弹性体芯覆盖层（1200 ）。任选地，在组件上附接盖子（1300）或任选两个同时缠绕的纱线或其它包裹材料层（1705,1710）。适配器或内芯和弹性体围绕芯一起形成在模具（700,900）中。纱线用手包装或使用包括旋转动力源，卡盘（1810）和用于交织纱线层的包裹臂（1825,1830）的包装机包裹。在替代实施例中，适配器具有通孔，以允许轴通过适配器延伸到靠近槌头的顶部。通过选择适配器或内芯，周围的芯，覆盖层和纱线层的性质可以实现许多冲击声音效果。

4. 发明授权

US08263846B1 Internal virtual extender tube for marimba resonator tube 有权
标题翻译：用于马林巴谐振器管的内部虚拟扩展管
公开(公告)号：US08263846B1
公开(公告)日：2012-09-11
申请号：US12838476
申请日：2010-07-18
申请人： Stephen J. Cole , Ronald Samuels , Joshua D. Stumpf
发明人： Stephen J. Cole , Ronald Samuels , Joshua D. Stumpf
IPC分类号： G10D13/08
CPC分类号： G10D13/08
摘要： An improved percussive instrument such as a marimba employs a resonator comprising an external tube (100), an inner or virtual extender tube (115), and a bottom stop (105) and a plug (110) within the outer tube. The region between the external tube and the virtual extender tube defines a volume of air (116). The size, shape, and length of the virtual extender tube enhances performance of the resonator and thereby also the instrument. A key (800) of the instrument is suspended by pivots (805) above the plug and the opening (120) of the resonator. When struck by a mallet (810), the key vibrates and air driven by the key enters the resonator through the opening. When the resonator and key are tuned to the same frequency, or a harmonic thereof, air will enter and leave the resonator in a resonant fashion, creating louder and richer sounds than just the key alone. Numerous variations on shape and location of the various components are possible.
摘要翻译：改进的敲击乐器如马林巴（marimba）采用包括在外管内的外管（100），内或虚拟扩管（115）和底挡（105）和塞（110）的谐振器。外管和虚拟扩张管之间的区域限定一定体积的空气（116）。虚拟扩张管的尺寸，形状和长度增加了谐振器的性能，从而提高了仪器的性能。仪器的键（800）通过在插头上方的枢轴（805）和谐振器的开口（120）悬挂。当被锤（810）击中时，钥匙振动并且由钥匙驱动的空气通过开口进入谐振器。当谐振器和键被调谐到相同的频率或其谐波时，空气将以谐振的方式进入和离开谐振器，从而产生比单独的键更大和更丰富的声音。各种组件的形状和位置的许多变化是可能的。

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