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    • 3. 发明授权
    • Keyboard apparatus
    • 键盘装置
    • US08383920B2
    • 2013-02-26
    • US12823931
    • 2010-06-25
    • Akihiko KomatsuNariyasu YaguchiYoshinori Hayashi
    • Akihiko KomatsuNariyasu YaguchiYoshinori Hayashi
    • G10F1/02
    • G10H1/346G10C3/20G10H2220/311
    • A keyboard apparatus includes a key supported for pivoting movement about a pivot point, a mass member for imparting a reaction force to performance operation of the key in interlocked relation to the key, a transmission member provided in abutment with both of the key and mass member to transmit a load from one of the key and mass member to the other, and an electromagnetic actuator for driving, via a fixed coil, the transmission member toward at least one of the key or mass member. Good key touch feeling can be achieved not only by a load applied from the mass member to the key but also through load control by the actuator. Thus, it is possible to faithfully reproduce a key touch feeling approximate to that in a natural keyboard instrument, such as an acoustic piano, with a simple construction and facilitated control.
    • 一种键盘装置,包括:支撑用于围绕枢转点枢转运动的键;质量构件,用于施加反作用力以与键成互锁关系的键的性能操作;传动构件,其设置成与键和质量构件 将负载从关键部件和质量部件之一传递到另一个,以及电磁致动器,其经由固定线圈将传动部件朝向键或质量部件中的至少一个驱动。 不仅可以通过从质量元件施加到键的负载,而且还可以通过致动器的负载控制来实现良好的按键触摸感。 因此,可以忠实地再现与诸如原声钢琴的自然键盘乐器相似的键接触感,其结构简单,便于控制。
    • 5. 发明授权
    • Keyboard apparatus
    • 键盘装置
    • US08288640B2
    • 2012-10-16
    • US12823955
    • 2010-06-25
    • Nariyasu YaguchiAkihiko KomatsuYoshinori Hayashi
    • Nariyasu YaguchiAkihiko KomatsuYoshinori Hayashi
    • G10F1/04
    • G10H1/346G10H2220/311
    • In a keyboard apparatus including a key supported for pivoting movement about a pivot point, a mass member that imparts a reaction force to performance operation of the key in interlocked relation to the key, and an electromagnetic actuator provided between the key and the mass member for imparting a driving force to the key and mass member, a transmission member is provided in detachable abutment with the key and mass member. The transmission member can be disengaged from the key or the mass member depending on operating conditions of the key and the mass member. Thus, it is possible to not only prevent unnecessary binding forces from acting in areas where the transmission member and the key and the mass member abut against each other, but also achieve smooth movement of the key and the mass member and prevent increase of inertial mass of the transmission member. The smooth movement of the key and mass member can achieve force sense control with good responsiveness. Further, the key is pivotable in a key depressing direction as a reaction force imparted from the mass member is reduced by impartment, to the key, of a driving force by the actuator. Thus, the apparatus can perform both force sense control on depression operation of the key and an automatic performance involving automatic operation of the key, through cooperation between a reaction force imparted from the mass member to the key and the driving force imparted from the actuator to the key.
    • 一种键盘装置,包括支撑在枢轴点周围的枢转运动的键,对与钥匙互锁的键进行功能运转的反作用力的质量部件以及设置在钥匙与质量部件之间的电磁致动器, 向关键和质量构件施加驱动力,传动构件设置成与钥匙和质量构件可分离地邻接。 根据键和质量构件的操作条件,传动构件可以从键或质量构件脱离。 因此,不仅可以防止不必要的结合力作用在传递构件和键和质量构件彼此抵接的区域中,而且可以实现键和质量构件的平稳移动,并且防止惯性质量的增加 的传递构件。 关键和质量构件的平稳运动可以实现强力感觉控制,响应速度快。 此外,由于通过由致动器驱动的驱动力使由质量构件施加的反作用力减小到钥匙,钥匙能够在按键方向上枢转。 因此,该装置能够通过按键的按压操作进行力检测控制,以及通过从质量构件向钥匙施加的反作用力与从致动器施加的驱动力之间的协调,执行关键字的自动操作的自动执行, 钥匙。
    • 6. 发明申请
    • KEYBOARD APPARATUS
    • 键盘设备
    • US20100326260A1
    • 2010-12-30
    • US12823199
    • 2010-06-25
    • Akihiko KomatsuNariyasu YaguchiYoshinori Hayashi
    • Akihiko KomatsuNariyasu YaguchiYoshinori Hayashi
    • G10H1/32
    • G10H1/346G10C3/20G10H2220/311
    • Keyboard apparatus includes: a key supported for pivoting movement about a pivot point; a mass member for imparting a reaction force to performance operation of the key in interlocked relation to the key; a transmission member provided in abutment with both of the key and mass member to transmit a load from one of the key and mass member to the other; and an electromagnetic actuator for driving, via a fixed coil, the transmission member toward at least one of the key and mass member. Good key touch feeling can be achieved not only by a load applied from the mass member to the key but also through load control by the actuator. Thus, it is possible to faithfully reproduce a key touch feeling approximate to that in a natural keyboard instrument, such as an acoustic piano, with a simple construction and facilitated control.
    • 键盘装置包括:支撑枢转点枢转运动的键; 质量部件,用于赋予与钥匙互锁关系的钥匙的性能操作的反作用力; 传递构件,其设置成与所述键和构件两者邻接,以将负载从所述键和构件之一传递到另一个; 以及电磁致动器,用于经由固定线圈将传动构件朝着至少一个键和质量构件驱动。 不仅可以通过从质量元件施加到键的负载,而且还可以通过致动器的负载控制来实现良好的按键触摸感。 因此,可以忠实地再现与诸如原声钢琴的自然键盘乐器相似的键接触感,其结构简单,便于控制。
    • 10. 发明授权
    • Apparatus for detecting displacement of electromagnetic actuator
    • 用于检测电磁执行器位移的装置
    • US08773114B2
    • 2014-07-08
    • US13071832
    • 2011-03-25
    • Yoshinori HayashiAkihiko Komatsu
    • Yoshinori HayashiAkihiko Komatsu
    • G01B7/14
    • H01F7/1844G01B7/003G01D5/2046H01F7/1607H01F7/1653H01F2007/1684H01F2007/1692H01F2007/185H01F2007/1888
    • A displacement detecting apparatus of an electromagnetic actuator, including: an electromagnetic actuator including: a movable core; a drive coil which causes a displacement of the movable core; and a detection coil disposed at a position where a mutual coupling coefficient with the drive coil changes with the displacement, the actuator transmitting a drive force of the movable core to a mechanical system; a drive portion for supplying a drive current to the drive coil on the basis of a pulse width modulation signal; and a displacement detecting portion to which an output voltage of the detection coil is inputted, for outputting a displacement detection signal, wherein the displacement detecting portion includes: a sampling-signal generating portion for generating a sampling signal in synchronism with the pulse width modulation signal; and a synchronous sampling portion for outputting the displacement detection signal by sampling the output voltage in synchronism with the sampling signal.
    • 一种电磁致动器的位移检测装置,包括:电磁致动器,包括:可动芯; 驱动线圈,其使所述可动铁芯移位; 以及检测线圈,其设置在与所述驱动线圈的相互耦合系数随位移而变化的位置,所述致动器将所述可动芯的驱动力传递到机械系统; 驱动部分,用于根据脉宽调制信号向驱动线圈提供驱动电流; 以及位移检测部分,其输入检测线圈的输出电压,用于输出位移检测信号,其中位移检测部分包括:采样信号产生部分,用于产生与脉宽调制信号同步的采样信号 ; 以及同步采样部分,用于通过与采样信号同步地对输出电压进行采样来输出位移检测信号。