摘要 |
An information input device includes a flexible print substrate including first, second and third installation units, first and second coupling units coupling the first installation unit with the second installation unit and the second installation unit with the third installation unit respectively, so that the first, second, and third installation units are extended along a same axis, the first, the second, and the third installation units being folded to a bellows form and integrated through the first and the second coupling units, a sensor sheet, an operation plate configured to be pushably installed by means of the sensor sheet on an upper surface of the third installation unit, a push button configured to be pushably assembled through an operation hole formed in the operation plate; and a dome-shaped movable contact arranged on the second installation unit.
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