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1. 发明授权

US06403872B2 Keyboard musical instrument faithfully reproducing original performance without complicated tuning and music data generating system incorporated therein 有权
标题翻译：键盘乐器忠实地再现原始性能，而不需要并入其中的复杂调谐和音乐数据产生系统
公开(公告)号：US06403872B2
公开(公告)日：2002-06-11
申请号：US09737615
申请日：2000-12-13
申请人： Shigeru Muramatsu , Yasuhiko Oba , Tadaharu Kato , Kiyoshi Kawamura
发明人： Shigeru Muramatsu , Yasuhiko Oba , Tadaharu Kato , Kiyoshi Kawamura
IPC分类号： G10H306
CPC分类号： G10H1/346 , G01P3/36 , G10F1/02 , G10G3/04 , G10H2220/305
摘要： An automatic player piano is an acoustic piano equipped with a data acquisition system and a playback system, and the data acquisition system monitors the hammers with hammer sensors for producing a set of music data codes representative of a performance on the keyboard, wherein the hammer sensor has a detectable range over the trajectory of the associated hammer so that the data acquisition system obtains pieces of music data accurately representative of the trajectory of hammer to be required for a faithful reproduction of the original performance.
摘要翻译：自动演奏器钢琴是配备有数据采集系统和回放系统的原声钢琴，数据采集系统用锤传感器监测锤子，用于产生代表键盘性能的一组音乐数据代码，其中锤传感器在相关联的锤的轨迹上具有可检测范围，使得数据采集系统获得准确代表为了忠实地再现原始性能而需要的锤的轨迹的音乐数据片段。

2. 发明申请

US20050132871A1 Performance operator control apparatus 有权
标题翻译：性能操作员控制装置
公开(公告)号：US20050132871A1
公开(公告)日：2005-06-23
申请号：US11010445
申请日：2004-12-14
申请人： Yasuhiko Oba , Yuji Fujiwara , Tomoyuki Ura , Tadaharu Kato
发明人： Yasuhiko Oba , Yuji Fujiwara , Tomoyuki Ura , Tadaharu Kato
IPC分类号： G10F1/02 , G10H1/00 , G10H1/32
CPC分类号： G10F1/02 , G10H1/0058 , G10H2240/056
摘要： A performance operator control apparatus adapted to a player piano comprises a motion control unit and a key drive unit comprising a plurality of key I/O control ICs in connection with keys of a keyboard, which are driven by solenoids so as to realize automatic performance, wherein upon detection of electrification abnormality of solenoids or temperature abnormality, LEDs are turned on to indicate the abnormality. The key I/O control ICs receive velocity signals regarding the solenoids so as to perform feedback controls on the keys in the automatic performance. In addition, unoccupied channels of the key I/O control ICs, which are not assigned to the keys and sensors, are used to input monitoring signals and to output inspection signals. Herein, the abnormality is determined based on the difference between pre-inspection data and post-inspection data, which are transferred using a loop connection channel of the key I/O control IC.
摘要翻译：适用于演奏器钢琴的演奏操作员控制装置包括运动控制单元和键驱动单元，其包括与键盘的键相关联的多个键I / O控制IC，所述键由螺线管驱动以实现自动演奏，其中，在检测到螺线管的通电异常或者温度异常时，LED点亮以指示异常。关键的I / O控制IC接收关于螺线管的速度信号，以便在自动演奏中对键执行反馈控制。此外，未分配给键和传感器的关键I / O控制IC的未占用通道用于输入监控信号并输出检查信号。这里，基于使用密钥I / O控制IC的环路连接信道传送的检查前数据和检查后数据之间的差异来确定异常。

3. 发明授权

US07259319B2 Performance operator control apparatus 有权
标题翻译：性能操作员控制装置
公开(公告)号：US07259319B2
公开(公告)日：2007-08-21
申请号：US11010445
申请日：2004-12-14
申请人： Yasuhiko Oba , Yuji Fujiwara , Tomoyuki Ura , Tadaharu Kato
发明人： Yasuhiko Oba , Yuji Fujiwara , Tomoyuki Ura , Tadaharu Kato
IPC分类号： G01H1/32 , G01H3/00
CPC分类号： G10F1/02 , G10H1/0058 , G10H2240/056
摘要： A performance operator control apparatus adapted to a player piano comprises a motion control unit and a key drive unit comprising a plurality of key I/O control ICs in connection with keys of a keyboard, which are driven by solenoids so as to realize automatic performance, wherein upon detection of electrification abnormality of solenoids or temperature abnormality, LEDs are turned on to indicate the abnormality. The key I/O control ICs receive velocity signals regarding the solenoids so as to perform feedback controls on the keys in the automatic performance. In addition, unoccupied channels of the key I/O control ICs, which are not assigned to the keys and sensors, are used to input monitoring signals and to output inspection signals. Herein, the abnormality is determined based on the difference between pre-inspection data and post-inspection data, which are transferred using a loop connection channel of the key I/O control IC.
摘要翻译：适用于演奏器钢琴的演奏操作员控制装置包括运动控制单元和键驱动单元，其包括与键盘的键相关联的多个键I / O控制IC，所述键由螺线管驱动以实现自动演奏，其中，在检测到螺线管的通电异常或者温度异常时，LED点亮以指示异常。关键的I / O控制IC接收关于螺线管的速度信号，以便在自动演奏中对键执行反馈控制。此外，未分配给键和传感器的关键I / O控制IC的未占用通道用于输入监控信号并输出检查信号。这里，基于使用密钥I / O控制IC的环路连接信道传送的检查前数据和检查后数据之间的差异来确定异常。

4. 发明申请

US20050241461A1 Keyboard musical instrument having sensor unit exactly located by means of plural locators 有权
标题翻译：具有通过多个定位器精确定位的传感器单元的键盘乐器
公开(公告)号：US20050241461A1
公开(公告)日：2005-11-03
申请号：US11088037
申请日：2005-03-23
申请人： Tadaharu Kato , Shigeru Muramatsu
发明人： Tadaharu Kato , Shigeru Muramatsu
IPC分类号： G10B3/12 , G10C3/00 , G10C3/16 , G10C5/00 , G10F1/02 , G10H1/055 , G10H1/34 , G10D1/00 , B60P3/355 , B60P3/39 , B60R15/00 , G10H1/00
CPC分类号： G10H1/344 , G10C5/005 , G10H1/0553
摘要： A hybrid keyboard musical instrument is fabricated on a piano, and a hammer stopper and an electronic tone generating system are installed in the piano; the electronic tone generating system includes hammer sensors arranged on a framework secured to a shank flange rail by means of stud bolts, and the stud bolts and spacer nuts, which are threaded with the stud bolts, serve as locators for locating the sensors at target relative positions with respect to the hammers independently in the fore-and-aft direction and up-and-down direction; the framework is pressed to the spacer nuts with nuts driven into the stud bolts so that the framework is removable from and reassembled with the shank flange rail without loosening the stud bolts.
摘要翻译：在钢琴上制作混合键盘乐器，钢琴中安装有琴槌和电子乐音发生系统; 电子乐音发生系统包括通过双头螺栓安装在固定到柄法兰导轨上的框架上的锤式传感器，并且与双头螺栓螺纹连接的双头螺栓和间隔螺母用作定位器，用于将传感器定位在目标相对位置相对于锤子的位置在前后方向和上下方向上独立; 将框架按压到具有螺母的隔离螺母上，螺母被驱动到双头螺栓中，使得框架可以与柄凸缘轨道拆卸并重新组装而不松开双头螺栓。

5. 发明授权

US07514627B2 Keyboard musical instrument having sensor unit exactly located by means of plural locators 有权
标题翻译：具有通过多个定位器精确定位的传感器单元的键盘乐器
公开(公告)号：US07514627B2
公开(公告)日：2009-04-07
申请号：US11088037
申请日：2005-03-23
申请人： Tadaharu Kato , Shigeru Muramatsu
发明人： Tadaharu Kato , Shigeru Muramatsu
IPC分类号： G10H1/34 , G10H3/00 , G10D16/00
CPC分类号： G10H1/344 , G10C5/005 , G10H1/0553
摘要： A hybrid keyboard musical instrument is fabricated on a piano, and a hammer stopper and an electronic tone generating system are installed in the piano; the electronic tone generating system includes hammer sensors arranged on a framework secured to a shank flange rail by means of stud bolts, and the stud bolts and spacer nuts, which are threaded with the stud bolts, serve as locators for locating the sensors at target relative positions with respect to the hammers independently in the fore-and-aft direction and up-and-down direction; the framework is pressed to the spacer nuts with nuts driven into the stud bolts so that the framework is removable from and reassembled with the shank flange rail without loosening the stud bolts.
摘要翻译：在钢琴上制作混合键盘乐器，钢琴中安装有琴槌和电子乐音发生系统; 电子乐音发生系统包括通过双头螺栓安装在固定到柄法兰导轨上的框架上的锤式传感器，并且与双头螺栓螺纹连接的双头螺栓和间隔螺母用作定位器，用于将传感器定位在目标相对位置相对于锤子的位置在前后方向和上下方向上独立; 将框架按压到具有螺母的隔离螺母上，螺母被驱动到双头螺栓中，使得框架可以与柄凸缘轨道拆卸并重新组装而不松开双头螺栓。

6. 发明授权

US07049576B2 Keyboard musical instrument having easily installable optical position transducer with coupler for coupling optical modulator to moving object 有权
标题翻译：键盘乐器具有易于安装的光学位置传感器，具有用于将光学调制器耦合到移动物体的耦合器
公开(公告)号：US07049576B2
公开(公告)日：2006-05-23
申请号：US10199256
申请日：2002-07-18
申请人： Tadaharu Kato , Shigeru Muramatsu , Shigeaki Sato
发明人： Tadaharu Kato , Shigeru Muramatsu , Shigeaki Sato
IPC分类号： H01J40/14
CPC分类号： G10G3/04 , G10F1/02
摘要： An optical position transducer is provided for each of the black/white keys incorporated in a composite keyboard musical instrument; the optical position transducer includes a photo-coupler radiating a light beam, an optical filter moved across the light beam, a recess formed in the black/white key at a proper position where the optical filter is aligned with a target trajectory crossing the light beam and an elastic coupler pressed to an inner surface defining the recess and secured to the optical filter so that a worker assembles the optical filter with the key by inserting the elastic coupler into the recess.
摘要翻译：为组合键盘乐器中的每个黑/白键设置光学位置传感器; 光学位置传感器包括辐射光束的光电耦合器，跨过光束移动的滤光器，在黑色/白色键处形成的凹部处于合适的位置处，其中滤光器与穿过光束的目标轨迹对准以及弹性联接器，被压到限定所述凹部的内表面并固定到所述滤光器上，使得工作者通过将所述弹性耦合器插入所述凹部中而用所述键组装所述滤光器。

7. 发明授权

US07044655B2 Multicore optical fiber connector for enhancing uniformity of amount of incident light and optical sensor array using the same 有权
标题翻译：多芯光纤连接器，用于增强入射光量的均匀性和使用其的光学传感器阵列
公开(公告)号：US07044655B2
公开(公告)日：2006-05-16
申请号：US10417839
申请日：2003-04-17
申请人： Tadaharu Kato , Shigeru Muramatsu
发明人： Tadaharu Kato , Shigeru Muramatsu
IPC分类号： G02B6/42
CPC分类号： G10C5/005 , G02B6/2817 , G02B6/4249 , G02B6/4292
摘要： An optical sensor array includes light-emitting devices and sensor heads remote from the light-emitting devices, and each light-emitting device is optically coupled to plural sensor heads through optical fibers; the light-emitting device is optically connected to the optical fibers by means of a multicore optical fiber connector, and the multicore optical fiber connector keeps the optical axes of the optical fibers equally spaced from the optical axis of the light-emitting device; even though the light intensity is isotropically dispersed on the cross section of the light beam, the total amount of light incident on each optical fiber is equal to the total amount of light incident on any one of the other optical fibers so that a strict calibration is not required for the optical sensor array.
摘要翻译：光传感器阵列包括远离发光器件的发光器件和传感器头，并且每个发光器件通过光纤光耦合到多个传感器头; 发光装置通过多芯光纤连接器与光纤光学连接，多芯光纤连接器保持光纤的光轴与发光装置的光轴等距离; 即使光强度各向同性地分散在光束的横截面上，入射到每根光纤上的光的总量等于入射到任何其它光纤上的总光量，从而严格校准不需要光学传感器阵列。

8. 发明授权

US06815603B2 Unbreakable and economical optical sensor array and keyboard musical instrument using the same 有权
标题翻译：不可破碎和经济的光学传感器阵列和键盘乐器使用相同
公开(公告)号：US06815603B2
公开(公告)日：2004-11-09
申请号：US10170532
申请日：2002-06-13
申请人： Tadaharu Kato , Shigeru Muramatsu
发明人： Tadaharu Kato , Shigeru Muramatsu
IPC分类号： G10H132
CPC分类号： G10H1/0553 , G10H1/344 , G10H2220/305 , G10H2230/011
摘要： An optical sensor array includes plural sensor heads arranged on a supporting plate at intervals for monitoring moving objects such as black/white keys of a composite keyboard musical instrument; the sensor head has resiliently deformable arms on both side portions thereof and a locating hole/guide groove are formed in the reverse surface portion of the sensor head, and an expander, a grip and projections are formed in the supporting plate; when a worker slides the sensor head on the expander, the resiliently deformable arms make the gap wider so that the grip is pinched between the resiliently deformable arms and that the projections are engaged with the locating hole and guide groove, whereby the sensor head is easily fixed to and located at a predetermined position on the supporting plate.
摘要翻译：光学传感器阵列包括多个传感器头，其间隔地配置在支撑板上，用于监视复合键盘乐器的运动物体，例如黑/白键; 传感器头在其两侧部分具有可弹性变形的臂，并且在传感器头的反面部分中形成有定位孔/引导槽，并且在支撑板上形成有扩张器，把手和突起; 当工作人员将传感器头滑动在扩展器上时，弹性可变形臂使间隙更宽，使得手柄被夹在可弹性变形的臂之间，并且突起与定位孔和导向槽接合，由此传感头很容易固定到并位于支撑板上的预定位置。

9. 发明授权

US07121737B2 Light emitting unit operative at high coupling efficiency, optical sensor system and musical instrument using the same 有权
公开(公告)号：US07121737B2
公开(公告)日：2006-10-17
申请号：US10420312
申请日：2003-04-22
申请人： Tadaharu Kato , Shigeru Muramatsu , Tsutomu Sasaki
发明人： Tadaharu Kato , Shigeru Muramatsu , Tsutomu Sasaki
IPC分类号： G02B6/00 , G02B6/36
CPC分类号： G10C3/12 , G02B6/322 , G02B6/4204 , G02B6/4292 , G02B6/4298 , G02B6/43 , G10G3/00
摘要： A light emitting device includes an optical fiber plug formed with a through-hole into which a bundle of optical fibers is inserted and a light-emitting device holder formed with a through-hole in which a condenser lens and a light emitting device are accommodated, and the optical fiber plug is assembled with the light-emitting device holder so that the light emitting device is optically coupled to the optical fiber through the condenser lens; a positioning device, a hyperboloid lens surface or a reflecting surface is formed in the optical fiber plug/light emitting device holder, condenser lens or the inner surface of the light-emitting device holder so that the light incident on the light input end is increased by virtue of the exact positioning between the optical fiber and optical axis, reduction of aberration or increase of light directed to the condenser lens.

10. 发明授权

US06940005B2 Keyboard musical instrument for exactly producing tones and hammer sensor varying output signal exactly representing physical quantity of hammer 有权
标题翻译：键盘乐器，用于精确地产生音调和锤子传感器，改变输出信号，正好表示锤子的物理量
公开(公告)号：US06940005B2
公开(公告)日：2005-09-06
申请号：US10293181
申请日：2002-11-13
申请人： Shigeru Muramatsu , Tsutomu Sasaki , Tadaharu Kato
发明人： Shigeru Muramatsu , Tsutomu Sasaki , Tadaharu Kato
IPC分类号： G10F1/02 , G01D5/347 , G10C3/18 , G10G3/04 , G10H1/00 , G10H1/34
CPC分类号： G10F1/02 , G01D5/34715 , G01D5/34776 , G10G3/04
摘要： A hammer sensor includes a photo-filter plate movable together with a hammer assembly and having a base plate fixed to the hammer shank and an arc pattern formed on the base plate and different in transparency from the base plate, a photo radiating element radiating a light beam toward the arc pattern and a photo detecting element disposed on the optical path of the light beam for converting the amount of transmitted light to an electric signal, wherein the photo-filter plate converts the rotational angle of the hammer assembly to the amount of light incident on the photo detecting element, and makes the photo radiating element and the photo detecting element stationary so that a suitable photo-shield case prevents the photo elements from environmental light.
摘要翻译：锤传感器包括可与锤组件一起移动的光过滤板，并且具有固定到锤柄的基板和形成在基板上且与基板不透明的弧形图案，辐射光的光辐射元件光束朝向弧形图案，以及光电检测元件，其设置在光束的光路上，用于将透射光量转换为电信号，其中，光电转换板将琴组件的旋转角度转换为光量入射到光电检测元件上，并使光辐射元件和光检测元件静止，使得合适的遮光罩防止光元件受到环境光的影响。

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