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    • 54. 发明授权
    • EL-combined sheet switch
    • EL组合纸张开关
    • US06198060B1
    • 2001-03-06
    • US09307952
    • 1999-05-10
    • Hiroshi YamazakiKoji Hirose
    • Hiroshi YamazakiKoji Hirose
    • H01H902
    • H01H13/702H01H2207/008H01H2207/01H01H2219/018H01H2239/004H01H2239/008
    • An EL-combined sheet switch including a circuit board having a driving circuit mounted on its back surface and having a switch pattern formed on its front surface in combination with a contact sheet having a counter electrode on its back surface in such a manner that the counter electrode faces the switch pattern to construct a switch mechanism. On the front surface of the contact sheet is attached an EL sheet and a shield layer is provided between the contact sheet and the EL sheet. In the EL-combined sheet switch, as described, the electromagnetic noise from the EL sheet which might otherwise affect the operation of an electronic device is blocked by the shield layer. The shield layer is preferably connected with a ground electrode formed on the circuit board.
    • 一种EL组合片材开关,包括电路板,该电路板具有安装在其背面上的驱动电路,并且具有形成在其前表面上的开关图案,并与其背面上具有对电极的接触片组合,使得该计数器 电极面对开关图案以构成开关机构。 在接触片的前表面上安装有EL片,并且在接触片和EL片之间设有屏蔽层。 在EL组合片材开关中,如上所述,来自EL片的可能会影响电子器件的操作的电磁噪声被屏蔽层阻挡。 屏蔽层优选地与形成在电路板上的接地电极连接。