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1.发明申请公开(公告)号：US20140345437A1
公开(公告)日：2014-11-27
申请号：US14457301
申请日：2014-08-12
Applicant: Yamaha Corporation
Inventor： Kenta OHNISHI
Abstract: An automatic player piano is equipped with solenoid-operated actuators for moving keys in automatic performance without fingering of a human player, and an overheat protector is provided for the solenoid-operated actuators so as to prevent the solenoid-operated actuators from overheat; the overheat protector includes not only a temperature sensor and a rescuer but also an information processor, and a computer program runs on the information processor so as to realize a temperature rise estimator for estimating a solenoid temperature on the basis of the amount of current flowing through the solenoid and an environmental temperature determined through the temperature sensor estimator and an overheat detector so as to find an overheated solenoid, thereby making the rescuer interrupt the current for preventing the solenoid-operated actuator from the overheat.
Abstract translation: 自动演奏器钢琴配备有电磁操作的执行器，用于自动演奏按键，而无需人体玩家的指法，为电磁致动器提供过热保护器，以防止电磁致动器过热; 过热保护器不仅包括温度传感器和救援者，还包括信息处理器，并且计算机程序在信息处理器上运行，以便实现用于基于流过的电流量来估计螺线管温度的升温估计器 螺线管和通过温度传感器估计器和过热检测器确定的环境温度，以便找到过热螺线管，从而使得救援者中断电流以防止电磁操作致动器过热。
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公开(公告)号：US20170125001A1
公开(公告)日：2017-05-04
申请号：US15301980
申请日：2015-04-09
Applicant: YAMAHA CORPORATION
Inventor： Kenta OHNISHI , Shinji SUMINO
Abstract: An installation structure for an acoustic transducer configured to vibrate a vibrated body in a first direction so as to permit the vibrated body to generate sounds, wherein the acoustic transducer includes: a magnetic-path forming portion that forms a magnetic path; a vibrating unit configured to vibrate in the first direction; and a connecting unit connecting the vibrating unit and the vibrated body to transmit vibration of the vibrating unit to the vibrated body, wherein the magnetic-path forming portion has a through-hole penetrating therethrough in the first direction from a first opening to a second opening, the connecting unit passing through the through-hole, wherein the vibrating unit is disposed on a first-opening side of the magnetic-path forming portion and is fixed to the connecting unit on the first-opening side, and wherein the vibrated body is connected to the connecting unit on a second-opening side of the magnetic-path forming portion.
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Patent Agency Ranking
公开(公告)号：US20180033407A1
公开(公告)日：2018-02-01
申请号：US15547619
申请日：2015-12-18
Applicant: YAMAHA CORPORATION
Inventor： Kenta OHNISHI
CPC classification number: G10C1/04 , G10C3/06 , G10C3/166 , G10C3/18 , G10H1/045 , G10H1/32 , G10H3/146 , G10H2210/271 , G10H2220/461 , G10H2230/011 , G10H2240/311 , H04R7/04
Abstract: A sound producing apparatus includes: a plurality of sound producing members with differing oscillation frequencies; dampers each corresponding to a respective sound producing member and suppressing vibration by contacting the corresponding sound producing members; a damper operation mechanism that moves each damper, thereby controlling a state of contact of the damper with a corresponding sound producing members; a soundboard that undergoes sympathetic resonance with sound producing members; a vibrator that vibrates the soundboard; an acquisition unit configured to acquire an audio signal; a signal output unit configured to: generate a drive signal for driving the vibrator with a vibration corresponding to the acquired audio signal; and output the drive signal to the vibrator; and a damper control unit configured to drive the damper operation mechanism to change a state of contact between the sound producing members and their corresponding dampers, based on frequency distribution of acquired audio signal.
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公开(公告)号：US20170116973A1
公开(公告)日：2017-04-27
申请号：US15301996
申请日：2015-04-09
Applicant: YAMAHA CORPORATION
Inventor： Kenta OHNISHI
CPC classification number: G10H3/146 , G10H1/045 , G10H1/32 , G10H2220/461 , H04R7/04 , H04R9/06 , H04R31/006
Abstract: An installation structure for an acoustic transducer configured to vibrate a vibrated body in a first direction so as to permit the vibrated body to generate sounds, wherein the acoustic transducer includes: a magnetic-path forming portion that forms a magnetic path; and a vibrating portion configured to vibrate in the first direction with respect to the magnetic-path forming portion, and wherein an anchor is provided between the vibrating portion and the vibrated body such that the anchor is undetachably fixed to the vibrated body by bonding and such that the anchor is detachably fixed to the vibrating portion.
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公开(公告)号：US20150356961A1
公开(公告)日：2015-12-10
申请号：US14762611
申请日：2013-12-27
Applicant: YAMAHA CORPORATION
Inventor： Yuji TAKAHASHI , Kenta OHNISHI
CPC classification number: G10H1/32 , G10H1/045 , G10H3/22 , G10H2250/451 , H04R7/045 , H04R9/02 , H04R2440/05 , H04R2440/07
Abstract: An installation structure for an acoustic transducer for vibrating a vibrated body in a first direction includes a magnetic-path forming portion; a movable unit having an electromagnetic coupling portion and configured to vibrate in the first direction; an attachment portion which attaches the magnetic-path forming portion to a fixed portion; a connector connected to the vibrated body and connecting the movable unit to the vibrated body; and a displacement permitting mechanism configured to permit electromagnetic coupling between the magnetic-path forming portion and the electromagnetic coupling portion to be maintained and to permit the vibration of the movable unit to be transmitted to the vibrated body when the connector is displaced with respect to the fixed portion within a predetermined range in an intersecting direction that intersects the first direction. The displacement permitting mechanism is provided at at least one of the attachment portion, the movable unit, and the connector.
Abstract translation: 用于在第一方向上振动振动体的声换能器的安装结构包括磁路形成部分; 具有电磁耦合部分并被构造成在第一方向上振动的可移动单元; 附接部，其将所述磁路形成部附接到固定部; 连接到所述振动体并将所述可动单元连接到所述振动体的连接器; 以及位移允许机构，其构造成允许在所述磁路形成部分和所述电磁耦合部分之间保持电磁耦合，并且当所述连接器相对于所述电磁耦合部分移动时允许所述可移动单元的振动传递到所述振动体 固定部分在与第一方向相交的交叉方向上的预定范围内。 位移允许机构设置在附接部分，可移动单元和连接器中的至少一个上。
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公开(公告)号：US20140202321A1
公开(公告)日：2014-07-24
申请号：US14161583
申请日：2014-01-22
Applicant: YAMAHA CORPORATION
Inventor： Kenta OHNISHI
IPC: G10H1/32
CPC classification number: G10H1/32 , G10C3/06 , G10H3/146 , G10H2210/271 , G10H2220/461 , G10H2230/011
Abstract: A keyboard musical instrument, including: a key; a board; a first member formed of a material different from a material of the board; a first acoustic transducer configured to vibrate the board in accordance with a drive signal supplied thereto; and a second acoustic transducer configured to vibrate the first member in accordance with a drive signal supplied thereto.
Abstract translation: 键盘乐器，包括：一键; 董事会 由与所述板的材料不同的材料形成的第一构件; 第一声学换能器，被配置为根据提供给其的驱动信号使电路板振动; 以及构造成根据提供给其的驱动信号使第一构件振动的第二声换能器。
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公开(公告)号：US20140202318A1
公开(公告)日：2014-07-24
申请号：US14161379
申请日：2014-01-22
Applicant: YAMAHA CORPORATION
Inventor： Kenta OHNISHI , Yuji TAKAHASHI
IPC: G10C3/06
CPC classification number: G10C3/06 , G10H1/32 , G10H3/22 , G10H2210/271 , G10H2220/461 , G10H2230/011
Abstract: A soundboard acoustic transducer, including: a main body; and a vibrator configured to vibrate a soundboard in response to a sound signal input thereto, wherein the main body is supported by a member different from the soundboard, via a fixture formed by a metal plate.
Abstract translation: 一种声板声换能器，包括：主体; 以及振动器，其被配置为响应于输入到其的声音信号而振动声板，其中所述主体由与所述音板不同的构件经由由金属板形成的固定件支撑。
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