KEYBOARD DEVICE
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United States of America Patent
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Issued Date -
Jan 25, 2018
app pub date -
Oct 24, 2016
filing date -
Jul 22, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A keyboard device includes a base plate, plural keys and a membrane circuit board. The keys are connected with the base plate. The membrane circuit board is arranged between the keys and the base plate. At least one film layer of the membrane circuit board includes at least one elastic vibration absorber corresponding to a keycap, a stabilizer bar or a reinforcement element of the corresponding key. While the keycap is moved downwardly relative to the base plate, the sound resulted from the collision between the keycap, the stabilizer bar or the reinforcement element and the membrane circuit board. Consequently, the operating comfort to the user is enhanced.
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