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公开(公告)号：US20210012760A1
公开(公告)日：2021-01-14
申请号：US16906890
申请日：2020-06-19
Applicant: Yamaha Corporation
Inventor： Shunsuke SAITO , Ken TAKAHASHI , Ichiro OSUGA
Abstract: A keyboard includes a frame and a plurality of mass bodies. The mass bodies are arranged in parallel to each other. Each of the mass bodies is pivotally supported to pivot about a pivot fulcrum with respect to the frame. The mass bodies are at least one of a plurality of keys configured to be directly operated, a plurality of interlocking members configured to pivot in conjunction with a corresponding one of the plurality of keys, embedded members in the plurality of keys or embedded members in the plurality of interlocking members. At least some of the mass bodies include notched portions being arranged in order from a pitch, which is equal to or greater than a lowest pitch, to a highest pitch. The notched portions are different from each other in at least one of size, position, or distance from the pivot fulcrum.
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2.发明申请公开(公告)号：US20180247628A1
公开(公告)日：2018-08-30
申请号：US15969080
申请日：2018-05-02
Applicant: YAMAHA CORPORATION
Inventor： Michiko TANOUE , Ichiro OSUGA
CPC classification number: G10H1/344 , G10H1/0008 , G10H1/02 , G10H1/18 , G10H2220/271 , G10H2220/285 , G10H2220/305
Abstract: A keyboard musical instrument is provided in which variations in the detection mechanism is corrected so that an appropriate musical sound control can be performed. Detection sections SW1, SW2, and SW3 detect an object at detection positions pSWl, pSW2, and pSW3. On the basis of a detection timing (rT2) by the detection section SW2, a detected key depression speed (V21), and a detection timing (rT3) by the detection section SW3 in a case where the key is depressed in a derivation mode, after a rST32 value is calculated, a stroke correction value calST32 is derived as correction information J and stored in a memory 57. In the performance mode, the musical sound is controlled on the basis of the detection timing by the detection sections SW1, SW2, and SW3 and the stroke correction value calST32.
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公开(公告)号：US20160225359A1
公开(公告)日：2016-08-04
申请号：US15014196
申请日：2016-02-03
Applicant: YAMAHA CORPORATION
Inventor： Ichiro OSUGA , Michiko YOSHIMURA
IPC: G10H1/34
CPC classification number: G10H1/344 , G10H1/18 , G10H2220/271 , G10H2220/281 , G10H2230/011
Abstract: A keyboard unit includes: a key; a displacement member which is configured to be driven directly or indirectly with the key by a pressing operation of the key to be moved in a forward stroke direction; a detector which is configured to detect that an operation direction of the displacement member has changed from the forward stroke direction to a returning direction; and a generator which is configured to generate sound generation indication information based on information detected by the detector.
Abstract translation: 键盘单元包括：键; 位移构件，其被构造成通过所述键在向前行程方向上移动的按压操作而被直接或间接地驱动; 检测器，其被构造成检测所述位移构件的操作方向从前行程方向变化到返回方向; 以及发生器，其被配置为基于由所述检测器检测到的信息来生成声音生成指示信息。
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公开(公告)号：US20130205972A1
公开(公告)日：2013-08-15
申请号：US13769240
申请日：2013-02-15
Applicant: Yamaha Corporation
Inventor： Ichiro OSUGA , Kenichi NISHIDA , Shunsuke ICHIKI , Hiroshi HARIMOTO , Shin YAMAMOTO
IPC: G10H1/34
Abstract: A keyboard device includes plural white and black keys 11w,11b that rock according to a key depression/release operation. Positions of key support portions 13w,13b supporting the plural white and black keys 11w,11b in the longitudinal direction are set to be different from one another. The keyboard device also includes hammers 16w,16b that rock with the rocking movement of the plural white and black keys 11w,11b. The plural white and black keys 11w,11b include drive units 11w1, 11b1 that drive the hammers 16w, 16b respectively. The pivot center of the hammer 16b is located posterior to the pivot center of the hammer 16w. An upper-limit stopper 21 and a lower-limit stopper 20, which restrict the rocking movement of the hammers 16w,16b are provided to extend in the lateral direction.
Abstract translation: 键盘装置包括根据按键/释放操作摇动的多个白键黑键11w，11b。 将长度方向上支撑着多个白色黑色键11w，11b的键支持部13w，13b的位置设定为不同。 键盘装置还包括与多个白色和黑色键11w，11b的摇摆运动摇摆的锤16w，16b。 多个白色和黑色键11w，11b分别包括驱动锤16w，16b的驱动单元11w1，11b1。 锤16b的枢转中心位于锤16w的枢转中心的后方。 设置限制锤16w，16b的摆动的上限止动件21和下限挡块20沿横向延伸。
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公开(公告)号：US20250069569A1
公开(公告)日：2025-02-27
申请号：US18944520
申请日：2024-11-12
Applicant: YAMAHA CORPORATION
Inventor： Banri ABE , Ichiro OSUGA , Masatsugu OKAZAKI , Shinji SUMINO , Taishi SHINOHARA , Takashi KITAGAWA , Takuya ABE
Abstract: A vibration plate for a musical instrument includes: a plate-shaped vibration plate main body that has a deformation anisotropy property; a first elongated reinforcing member disposed on a first face of the vibration plate main body, and that projects outwardly from the first face and extends along the first face in a direction that prevents the vibration plate main body from deforming; and a second elongated reinforcing member disposed on a second face of the vibration plate main body, and that projects outwardly from the second face and extends along the second face in the direction that prevents the vibration plate main body from deforming. As viewed from a thickness direction of the vibration plate main body, at least part of the first elongated reinforcing member overlaps with at least part of the second elongated reinforcing member.
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Patent Agency Ranking
公开(公告)号：US20240038204A1
公开(公告)日：2024-02-01
申请号：US18487431
申请日：2023-10-16
Applicant: YAMAHA CORPORATION
Inventor： Eri HIRAI , Kazuki SOGA , Hisaaki MUKAI , Junnosuke KASEDA , Ichiro OSUGA , Yuichi TADANO , Ayumi IRISA
Abstract: A sound bar has a striking surface. The sound bar includes: a surface layer having a first surface constituting at least a part of the striking surface and a second surface opposite across a thickness of the surface layer from the first surface; and a base fixed to the second surface of the surface layer. A cutout surface is provided on a peripheral edge portion of the striking surface. The first surface of the surface layer is smaller than the base in a plan view.
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公开(公告)号：US20240013753A1
公开(公告)日：2024-01-11
申请号：US18474405
申请日：2023-09-26
Applicant: YAMAHA CORPORATION
Inventor： Ichiro OSUGA , Ayumi IRISA , Kazuki SOGA , Junnosuke KASEDA , Hisaaki MUKAI , Eri HIRAI , Yuichi TADANO
IPC: G10D13/10
CPC classification number: G10D13/10
Abstract: A sound bar includes an elongated member having a striking surface having an elongated shape. A weight of a striking surface side area of the elongated member, per unit volume of the striking surface side area of the elongated member, changes along a longitudinal direction of the striking surface. The striking surface side area is defined in a range of a uniform thickness from the striking surface.
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公开(公告)号：US20200152160A1
公开(公告)日：2020-05-14
申请号：US16675533
申请日：2019-11-06
Applicant: YAMAHA CORPORATION
Inventor： Masatsugu OKAZAKI , Ichiro OSUGA , Banri ABE , Shinji SUMINO , Takashi KITAGAWA , Takuya ABE
Abstract: A vibrator includes: a movable portion connected to a vibratable member; a driver configured to drive the movable portion to cause vibration of the movable portion to vibrate the vibratable member; and a driver supporter secured to a support member and configured to support the driver such that the driver is pivotable about an axis extending in a direction intersecting a movable direction of the movable portion.
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公开(公告)号：US20200088258A1
公开(公告)日：2020-03-19
申请号：US16688214
申请日：2019-11-19
Applicant: YAMAHA CORPORATION
Inventor： Michiko TANOUE , Ichiro OSUGA
IPC: F16F1/376
Abstract: Provided is a reaction force generation unit that enables stabilization of a reaction force to be generated and enhances processing accuracy. In a pressed body 20, three domes including a first dome 22-1, a second dome 22-2, and a third dome 22-3, bulge from a base 21. A leading end 23 of each dome 22 faces an opposing surface 11 of an opposing member 10. When the base 21 is pressed by the pressing member 13, the leading ends 23 of the domes 22 move in a direction relatively close to the opposing member 10. At this time, the domes 22 are elastically deformed and cause an appropriate reaction force with respect to the handle. In a natural state where the pressed body 20 is not subjected to any pressing force, axes X1, X2, and X3 of the domes 22-1, 22-2, and 22-3 are substantially parallel to each other, and acute angles formed by the axes X1, X2, and X3 and a normal line X0 of the opposing surface 11 are substantially similar to each other at a predetermined angle θ0 larger than zero degree.
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公开(公告)号：US20190027121A1
公开(公告)日：2019-01-24
申请号：US16139776
申请日：2018-09-24
Applicant: YAMAHA CORPORATION
Inventor： Shunsuke ICHIKI , Ichiro OSUGA
Abstract: According to an embodiment of the present invention, a keyboard apparatus includes a key; and a connecting member connecting the key to a frame and including a rod-like flexible member arranged between the frame and the key, the key being turned to the frame by bending of the rod-like flexible member.
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