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    Method and device for varying pitch
    2.
    发明公开
    Method and device for varying pitch 失效
    Methode und Anordnung zurÄnderungderTonhöhe

    公开(公告)号：EP0712113A1

    公开(公告)日：1996-05-15

    申请号：EP95850192.6

    申请日：1995-11-03

    申请人： CLAVIA DIGITAL MUSICAL INSTRUMENTS AB

    发明人： Nordelius, Hans

    IPC分类号： G10H1/055

    CPC分类号： G10H1/0556

    摘要： A device (1) for varying pitch manually on electronic key- board instruments having electronically generated tones is made as a stick or rod. The upper portion of the stick is also the upper part of handle (5) which extends upwards, through a window (11) above the top surface of a casing (13) of the instrument. The handle (5) is attached to an elastic leaf spring (3), the bending of which is sensed by means of strain gauges (21) mounted on the plate (3) at the lower portion thereof, adjacent the attachment region thereof to a rigid cantilever (19). When the handle (5) is moved by means of a finger in its cup-shaped, top surface, the leaf spring (3) is deflected, the deflection signal being provided to the electronic circuits that generate the tones and that then give them a higher or lower pitch depending on the deflection. Such a pitch stick (1) does not contain a "dead" region at its rest position or non-influenced position, it does not require initially, when it is acted on for a displacement away from its rest position, an initial force and it has a simple and durable construction.

    摘要翻译： 将具有电子产生色调的电子键盘装置手动变化的装置（1）制成棒或杆。 棒的上部也是手柄（5）的上部，其通过仪器的壳体（13）的上表面上方的窗口（11）向上延伸。 手柄（5）安装在弹性板弹簧（3）上，其弯曲通过安装在其下部的板（3）上的应变仪（21）感测，邻近其附接区域到 刚性悬臂（19）。 当手柄（5）通过手指移动到其杯形顶表面中时，板簧（3）被偏转，偏转信号被提供给产生色调的电子电路，然后给它们一个 较高或较低的音高取决于偏转。 这种俯仰杆（1）在其静止位置或不受影响的位置处不包含“死区”，当起作用以远离其静止位置的位移时，它不需要初始的初始力 具有简单耐用的施工。

    An acoustic drum transmitter and a holder therefor
    4.
    发明公开
    An acoustic drum transmitter and a holder therefor 失效
    特拉姆梅尔德大街gehörender哈尔特的Tonabnehmerfüreine akustische。

    公开(公告)号：EP0542706A1

    公开(公告)日：1993-05-19

    申请号：EP92850264.0

    申请日：1992-11-10

    申请人： CLAVIA DIGITAL MUSICAL INSTRUMENTS AB

    发明人： Nordelius, Hans

    IPC分类号： G10H3/14

    CPC分类号： G10H3/146 ,  G10H2230/275

    摘要： A transmitter (2) is arranged on an acoustic drum to transform wave motions generated by hits on the drumhead (10) in electrical signals. The transmitter (2) comprises a vibration sensitive body (8) designed to be elastically forced against the drumhead (10). According to a first aspect on the invention the vibration sensitive body (8) has got an oblong shape (L:W) for detection of wave motions of a predetermined direction and within a predetermined frequency range. Another aspect on the invention is to avoid the risk of mechanical damages to the vibration sensitive body (8) as well as to emphasize the ability to detect the wave motions in the drumhead (10). This is implemented by a holder (3) being fixable to the edge (5) of the drum rim (6). The holder (3) includes an elastic spring device (12, 13) carrying the vibration sensitive body (8). Within the L-shaped holder (3) there are conductors (15) electrically connecting the vibration sensitive body (8) with a connector (16) incorporated with the holder (3).

    摘要翻译： 发声器（2）布置在声鼓上，以电信号转换由鼓头（10）上的点击产生的波动。 发射器（2）包括设计成弹性地抵靠鼓头（10）的振动敏感体（8）。 根据本发明的第一方面，振动体（8）具有用于检测预定方向的波动并且在预定频率范围内的长方形（L：W）。 本发明的另一方面是避免对振动敏感体（8）的机械损伤的风险以及强调检测鼓头（10）中的波动的能力。 这通过可固定到鼓轮边缘（6）的边缘（5）的保持器（3）来实现。 保持器（3）包括承载振动敏感体（8）的弹性弹簧装置（12,13）。 在L形保持器（3）内部有导体（15），其将振动敏感体（8）与与保持器（3）结合的连接器（16）电连接。