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    • 20. 发明授权
    • Computer keyboard adaptor
    • 电脑键盘适配器
    • US4704940A
    • 1987-11-10
    • US647440
    • 1984-09-05
    • Darold B. Cummings
    • Darold B. Cummings
    • G10C3/12
    • G10C3/12
    • A device adapted to be removably placed over a computer keyboard which converts the keyboard to the format of a muscial instrument. The computer is programmed such that selected computer keys of the keyboard will synthesize different musical sounds. The device includes a housing and a plurality of first keys and second keys which are pivotally mounted to the housing. The first and second keys are arranged in a row and are accessible through a cutout in the housing. The first and second keys are shaped to simulate piano or organ keys (white and black). The first and second keys are positioned to register with the selected computer keys. Depressing the first and second keys respectfully depresses corresponding computer keys such that playing of a piano or organ is simulated. The device can also employ a second row of keys.
    • 一种适于可拆卸地放置在将键盘转换为乐器的格式的计算机键盘上的装置。 计算机被编程使得键盘的所选择的计算机键将合成不同的音乐声音。 该装置包括壳体和多个第一键和枢转地安装到壳体的第二键。 第一和第二键被排列成一排并且可通过外壳中的切口进入。 第一和第二个按键被成形为模拟钢琴或器官按键(白色和黑色)。 第一和第二键被定位成与选定的计算机键注册。 按压第一键和第二键可以相当压下相应的计算机键,从而模拟钢琴或器官的弹奏。 该设备还可以使用第二排键。