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    • 4. 发明申请
    • COMBINATION INPUT UNIT
    • 组合输入单元
    • US20100060492A1
    • 2010-03-11
    • US12432688
    • 2009-04-29
    • JIA-GUI ZHOUKENNETH ZHAOKUN-CHIH HSIEH
    • JIA-GUI ZHOUKENNETH ZHAOKUN-CHIH HSIEH
    • H03K17/94H05K5/00
    • H01H25/041H01H25/008H01H2025/045H01H2219/06H01H2219/062H01H2219/0622H01H2221/012
    • A combination input unit comprises a printed circuit board, a press key, a retaining bracket, a light transmissive rotary dial, and a housing. The printed circuit board accommodates an encoder circuit, a plurality of contacts, and a plurality of light sources. The press key is disposed above the contacts, and comprises a flange thereof. The retaining bracket is fitted over the press key and connects the press key to the printed circuit board. The light transmissive rotary dial is rotatably fitted over the press key. The rotary dial is positioned above the encoder circuit, comprises at least one elastic piece for resiliently pressing the encoder circuit, and a reflective surface. Light emitted by the light sources are reflected by the reflective surface, thus to illuminate the whole rotary dial. The housing receives the press key, the rotary dial, and the printed circuit board.
    • 组合输入单元包括印刷电路板,按键,固定支架,透光旋转拨盘和外壳。 印刷电路板容纳编码器电路,多个触点和多个光源。 按键设置在触点上方,并包括其凸缘。 固定支架安装在按键上,并将按键连接到印刷电路板上。 透光旋转盘可旋转地安装在按键上。 旋转盘位于编码器电路的上方,包括至少一个用于弹性地按压编码器电路的弹性片和反射表面。 由光源发射的光被反射面反射,从而照亮整个旋转盘。 外壳接收按键,旋转拨盘和印刷电路板。