KEYBOARD APPARATUS AND LOAD APPLICATION METHOD
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United States of America
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Issued Date -
Apr 28, 2022
app pub date -
Oct 8, 2021
filing date -
Oct 8, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a keyboard apparatus including: a hammer, having a mass body on one end side, rotating in a first direction by being pushed on the other end side when a key is pressed; and a load application member, applying, to the hammer, at least one of a first load directed in the first direction and a second load directed in a second direction opposite the first direction. The first load is a load that gradually increases as approaching a terminal position of the key in key pressing. The second load is a load that gradually decreases as approaching the terminal position.
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