Low-noise key switch and keyboard thereof
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United States of America Patent
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-
Sep 2, 2003
Grant Date -
Jul 10, 2003
app pub date -
Jan 8, 2002
filing date -
Jan 8, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A low-noise key switch for computer appliances is disclosed. An embodiment of the key switch includes a cap at least one elastic element, a supporter, a switch, and a base. The cap has a top surface, a bottom surface, and a bottom edge surface. The elastic element is disposed on the bottom edge surface. The supporter supports the cap to perform a movement relative to the base. The switch, responsive to the movement of the cap, selectively turns on. When the cap moves toward the base, the elastic element approaches the base prior to the cap hitting the base. Therefore, the impact of the cap against the base is absorbed by the elastic element leading to the reduction of noise when the key switch is activated.
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