Invention Grant
US09323344B2 Double pre-loaded deflection webs for keypad 有权
用于键盘的双预加载偏转腹板

Double pre-loaded deflection webs for keypad
Abstract:
A keypad for an electronic device is provided and includes a substrate, a plurality of frets disposed with the substrate and a plurality of mechanical keys disposed with the substrate and arrayed in rows interleaved among the plurality of frets, at least one of the keys being deflectable toward a position at which a switch of a circuit is affected and a capacitive sensor layer disposed between the frets and the keys and the substrate to register movement of a capacitive element across the frets and the keys.
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