公开(公告)号：US20100288615A1

公开(公告)日：2010-11-18

申请号：US12776760

申请日：2010-05-10

申请人： Takahito MAFUNE ,  Naoki YAMADA ,  Masahiro ISHIDA

发明人： Takahito MAFUNE ,  Naoki YAMADA ,  Masahiro ISHIDA

IPC分类号： H01H13/76

CPC分类号： H01H13/83 ,  H01H2209/082 ,  H01H2219/044 ,  H01H2219/06 ,  H01H2219/062

摘要： A keyboard device includes: a plurality of arranged key tops; a support mechanism which supports each of the key tops so as to be elevatable; a membrane switch which outputs a switch signal when the key top moves down with an operation of the support mechanism performed upon pressing the key top; and an illumination mechanism which includes a light source and a light guiding member, and propagates light of the light source to the inside of the light guiding member so as to illuminate the key top, wherein the light guiding member is provided with a plurality of groove portions provided in the course of a path of the light and changing a light advancing direction, and wherein the light reaches the key top by the groove portions.

摘要翻译： 键盘装置包括：多个排列的键顶; 支撑机构，其支撑每个键顶以便可升降; 一个薄膜开关，当键顶在按压键顶时执行支撑机构的操作，当键顶向下移动时，输出开关信号; 以及照明机构，其包括光源和导光构件，并且将光源的光传播到导光构件的内部以照亮键顶，其中，导光构件设置有多个凹槽 设置在光路的过程中并改变光前进方向的部分，并且其中光通过凹槽部分到达键顶部。