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    • 66. 发明授权
    • Method and apparatus for sound production
    • 声音制作方法及装置
    • US4187635A
    • 1980-02-12
    • US892822
    • 1978-04-03
    • Robert J. Deissler
    • Robert J. Deissler
    • A63H5/00G08B3/02G10K9/10G08B1/00G10D13/08
    • G08B3/02A63H5/00G10K9/10
    • An apparatus and method for producing sound, particularly unusual sound effects, wherein the apparatus comprises at least one diaphragm and a spring attached to the diaphragm, having a lowest resonance frequency less than 18 hertz. The apparatus includes a resonator affixed to the diaphragm.According to the method of the invention, sounds are produced on an instrument having a spring and a diaphragm connected to the spring by exciting an echophone frequency of the spring by either activating longitudinal motion of the spring, jerking at least one end of the spring in a longitudinal direction, longitudinally displacing and releasing a section of the spring, and moving at least one end of the spring longitudinally in a rhythmic motion to excite an echophone frequency.
    • 一种用于产生声音,特别是不寻常的声音效果的装置和方法,其中所述装置包括至少一个隔膜和附接到隔膜的弹簧,具有小于18赫兹的最低谐振频率。 该装置包括固定在隔膜上的谐振器。 根据本发明的方法,在具有连接到弹簧的弹簧和隔膜的仪器上产生声音,通过激活弹簧的纵向运动来激励弹簧的回波电话频率,将弹簧的至少一端刺入 纵向移动并释放弹簧的一部分,并以节奏运动纵向移动弹簧的至少一端以激发回声电话频率。
    • 68. 发明授权
    • Portable keyboard
    • 便携式键盘
    • US3981221A
    • 1976-09-21
    • US609534
    • 1975-09-02
    • Luther A. Wittel
    • Luther A. Wittel
    • G10D13/08G10C3/12
    • G10D13/085
    • The assembly consists of a piano type musical keyboard which includes a plurality of elongated individual pivotally mounted key bars having a key or a representative thereof positioned on one end of each of the key bars and means associated with the opposite end of each of the bars for operating a pivotally supported hammer adapted to strike a sound producing element of a tone indicated by the keys positioned on the keyboard, the key bars being of two lengths, the key bars representing the white keys being longer than the key bars representing the black keys, the pivot means about which the key bars carrying the white key are pivoted being positioned at a greater distance from the opposite end of the key bars than the pivot means for the key bars carrying the black keys.
    • 该组件包括钢琴型音乐键盘,其包括多个细长的单独的可枢转地安装的键杆,其具有位于每个键杆的一端上的键或其代表,以及与每个杆的相对端相关联的装置, 操作枢转支撑的锤子,其适于打击由位于键盘上的键指示的音调的声音产生元件,键杆具有两个长度,键棒表示白键比表示黑键的键棒长, 携带白键的键杆绕枢轴转动的枢轴装置被定位在距键杆的相对端更远的位置,而不是用于带有黑键的键杆的枢转装置。