Key arrangement for a keyboard
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United States of America Patent
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Sep 4, 2012
Grant Date -
Dec 25, 2008
app pub date -
Aug 29, 2008
filing date -
Jul 30, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A key arrangement includes a plurality of keys that are arranged in a regular grid of rows and columns. The columns include a first column, a last column, and at least one middle column. The keys in the first and last columns are smaller than the keys in the at least one middle column. A method for improving the ergonomics of a key arrangement on a keyboard of a fixed size is provided. A method for designing a key arrangement for a mobile communication device is also provided.
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