| 摘要 |
PURPOSE: A thin film button type keyboard having an electric bulb type button without a protruding button is provided to make a user easily and rapidly recognize a character of the keyboard by installing the electric bulb type button without the protruding button. CONSTITUTION: The button(2') of a keyboard(1') has an electronic bulb(3') inside of the button. The protruding buttons are placed under a thin film(4), and the electric bulb and the electric bulb button is install to the keyboard.
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