Pressure key
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United States of America Patent
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Jul 1, 2014
Grant Date -
May 15, 2014
app pub date -
Nov 9, 2012
filing date -
Nov 9, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A D/A integrated pressure key for a keyboard is shown. A digital signal output first when a pressure is applied on the single key, and then an analog signal output while applying a bigger pressure over the same key. The magnitude of the analog signal output is positively related to the magnitude of the pressure applied on the integrated pressure key.
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