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    • 7. 发明申请
    • KEYBOARD DOME STIFFENER ASSEMBLY
    • 键盘式球机组装
    • US20110203913A1
    • 2011-08-25
    • US12710996
    • 2010-02-23
    • Chao Chen
    • Chao Chen
    • H01H13/76H05K13/00
    • H01H13/82H01H13/702H01H13/86H01H2209/01H01H2209/024H01H2213/014H01H2215/048H01H2223/002H01H2227/02H01H2231/022Y10T29/49002
    • A keyboard dome stiffener assembly includes a circuit board having a plurality of dome pads that each defines a venting aperture, a dome sheet disposed over the circuit board, and a stiffener disposed beneath the circuit board that defines a plurality of cutouts corresponding to each venting aperture. The dome pads correspond to a key of an associated keyboard to be assembled with the keyboard dome stiffener assembly. The dome sheet forms an air space associated with each dome pad that is in fluid communication with the corresponding venting aperture. The cutouts of the stiffener provide an air cavity between the circuit board and the stiffener. Each air cavity is in fluid communication with an air space, and when one of the keyboard keys is depressed, some of the air in the air space travels between the air space of the keyboard to the corresponding air cavity.
    • 键盘圆顶加强件组件包括具有多个圆顶垫的电路板,每个圆顶垫均限定通气孔,设置在电路板上的圆顶板,以及设置在电路板下方的加强件,其限定对应于每个通气孔的多个切口 。 圆顶垫对应于与键盘圆顶加强件组件组装的相关键盘的键。 圆顶片形成与每个圆顶垫相关联的空气空间,其与相应的通气孔流体连通。 加强件的切口在电路板和加强件之间提供空气腔。 每个空气腔与空气空间流体连通,当按压键盘键之一时,空气空间中的一些空气在键盘的空气空间之间传播到相应的空气腔。