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1. 发明授权

US4152967A Pneumatic piano action 失效
标题翻译：气动钢琴动作
公开(公告)号：US4152967A
公开(公告)日：1979-05-08
申请号：US827697
申请日：1977-08-25
申请人： Ellis Barron
发明人： Ellis Barron
IPC分类号： G10C3/20 , G10C3/16
CPC分类号： G10C3/20
摘要： An action for a piano type musical instrument in which the hammer striking force is produced by the reaction of a pneumatic piston. For the grand piano embodiment, the hammer pivot is carried by the key-lever and the piston is connected to the hammer butt such that when the instrument is played the resistance of the piston raises the hammer into the musical string. A similar action is shown for the upright piano. In each case the hammer is propelled into the string with a velocity proportional to key-lever velocity and the escape, check and repetition parts of conventional actions are made unnecessary by the inherent properties of the pneumatic piston.
摘要翻译：用于钢琴型乐器的动作，其中通过气动活塞的反作用力产生打击力。对于大钢琴实施例，琴槌枢轴由键杆承载，并且活塞连接到锤槌，使得当乐器演奏时，活塞的阻力将琴槌升高成音弦。立式钢琴也有类似的动作。在每种情况下，锤子以与按键杆速度成比例的速度推进到弦中，并且通过气动活塞的固有特性使传统动作的逃逸，检查和重复部分变得不必要。

2. 发明授权

US4285261A Pianoharp action 失效
标题翻译：钢琴架动作
公开(公告)号：US4285261A
公开(公告)日：1981-08-25
申请号：US125676
申请日：1980-02-28
申请人： Ellis Barron
发明人： Ellis Barron
IPC分类号： G10C1/06 , G10C3/16 , G10D3/16
CPC分类号： G10C3/165 , G10C1/06
摘要： An improvement in the action for that type of plectrum piano which uses a pneumatic piston to provide a variable pluck loudness. The pneumatic piston is joined by a connecting rod to a crank arm on a rotatable pick body, the latter being driven vertically past a vibratable element when the instrument is played. The plectrum is mounted below the center of rotation of the pick body and describes both a lateral and a vertical motion during the pluck stroke, the pluck loudness being proportional to stroke velocity. The improvement includes the use of a gravity acting ball valve joint between the connecting rod and the piston to provide the repeat function.
摘要翻译：对于那种使用气动活塞提供可变抽奏响度的钢琴的动作的改进。气动活塞通过连杆连接到可旋转拾取器主体上的曲柄臂上，当该乐器被播放时，气动活塞通过可振动的元件垂直地被驱动。电极安装在拾音器主体的旋转中心的下方，并在拔出行程中描述横向和垂直运动，拔出的响度与行程速度成比例。该改进包括在连杆和活塞之间使用重力作用球阀接头以提供重复功能。

3. 发明授权

US4426905A Pianoharp action 失效
标题翻译：钢琴架动作
公开(公告)号：US4426905A
公开(公告)日：1984-01-24
申请号：US421974
申请日：1982-09-23
申请人： Ellis Barron
发明人： Ellis Barron
IPC分类号： G10C3/16 , G10D3/16
CPC分类号： G10C3/165
摘要： An improvement in the action for a harpsichord type of keyboard musical instrument which uses a pneumatic piston to provide a variable pluck loudness. The improvement comprises a new pick-body design which allows several strings to be plucked at once for any single note or key, thus increasing the loudness of the instrument. The invention involves the use of a crank arm which, being restrained by a pneumatic piston, tilts the pick-body and the picks into the strings, the loudness resulting therefrom being proportional to the key-lever velocity.
摘要翻译：对于大键琴类型的键盘乐器的动作的改进，其使用气动活塞来提供可变的抽奏响度。该改进包括一个新的拾取器设计，允许为任何单个音符或键一次采集多个弦，从而增加乐器的响度。本发明涉及使用曲柄臂，该曲柄臂被气动活塞约束，将拾取物体和拾取物倾斜到弦中，由此产生的响度与键杆速度成比例。

4. 发明授权

US4099440A Plectrum piano action 失效
标题翻译：钢琴演奏
公开(公告)号：US4099440A
公开(公告)日：1978-07-11
申请号：US747798
申请日：1976-12-06
申请人： Ellis Barron
发明人： Ellis Barron
IPC分类号： G10C1/06 , G10C3/16
CPC分类号： G10C1/06 , G10C3/165
摘要： An improvement in the action for a plectrum piano in which a pneumatic piston and cylinder are used to produce a variable pluck loudness, the reaction of the piston urging the plectrum toward the musical string in proportion to key-lever velocity. A rotatable pick-rod is used to carry the plectrum, the pick-rod being connected to the piston by means of a crank arm such that the plectrum is also rotated into the string during the pluck.
摘要翻译：用于钢琴的动作的改进，其中使用气动活塞和气缸来产生可变的抽动响度，活塞将按照与按键杆速度成比例的方式推向琴弦的反作用力。可旋转的镐用于承载杓，拣选杆借助于曲柄臂连接到活塞，使得在采摘期间，砧座也旋转到弦中。

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