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    • 10. 发明专利
    • Operation key and terminal device
    • 操作键和终端设备
    • JP2014041651A
    • 2014-03-06
    • JP2013228172
    • 2013-11-01
    • Nec Corp日本電気株式会社
    • IWAKI YOSHIHIRO
    • G06F3/02H04M1/02
    • H01H13/705H01H13/84H01H2217/004H01H2217/024
    • PROBLEM TO BE SOLVED: To provide an operation key to which force from a finger is efficiently transmitted, and a terminal device or the like including the operation key.SOLUTION: The operation key includes: a first surface which projects upward entirely and has an upper side being a smooth curved segment with the highest point between both ends; and a second surface which is formed by connecting the curved segment and a side opposite to the first surface and projects upward entirely in a direction of the opposite side and has the highest point on a side connecting both ends and descends in a direction orthogonal to the opposite side. A length of a line connecting from the highest point of the first surface toward a bottom side of the first surface along the first surface perpendicularly to the bottom side is shorter than a length of a line connecting from the highest point toward the side opposite to the first surface along the second surface perpendicularly to the opposite side.
    • 要解决的问题:提供有效地传送来自手指的力的操作键以及包括操作键的终端装置等。解决方案:操作键包括:完全向上突出并具有上部的第一表面 侧面是两端之间最高点的光滑曲线段; 以及第二表面,其通过连接弯曲段和与第一表面相对的一侧而沿相反侧的方向全部向上突出,并且在连接两端的一侧具有最高点,并且在与第二表面正交的方向上下降 对面 从第一表面的最高点到垂直于底侧的第一表面的第一表面的底侧连接的线的长度短于从最高点朝向与第一表面相反的一侧的线的长度 第一表面沿第二表面垂直于相对侧。