Single-hand input keyboard
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United States of America Patent
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Apr 28, 1998
Grant Date -
N/A
app pub date -
Mar 12, 1996
filing date -
Oct 20, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
This invention relates to a single-hand input keyboard for inputting data into various data processing devices, which can be held and operated by a single hand. The keyboard includes a case having an upper case and a lower case, the upper case having an opening at a central portion thereof, a switch unit mounted in the case, the switch unit having a plurality of button switches facing the opening, and a holder formed in a back face of the case. A plurality of the button switches are arranged so as to be pressed by fingers when the single-hand input keyboard is held by a single hand with the thumb and the palm.
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