Hand-held, freestanding, double-sided electronic keyboard
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 6, 2005
Grant Date -
Oct 16, 2003
app pub date -
Apr 16, 2002
filing date -
Apr 16, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention is a keyboard apparatus with front and back key functionality. The body of the apparatus is held in the hands, supported by the palms. This leaves both of the thumbs and all of the fingers free to operate the key functionality, while the apparatus is being held. Key functionality installed on the back is operated by the fingers; key functionality installed on the front is operated by the thumbs. When properly configured, the user may perform full touch-typing techniques while holding the apparatus. This configuration may reduce stress on the hands. Modifier keys are shaped, grouped and positioned so they may be operated by one thumb. Algorithms provide keyboard lock function and aid the user in locating the home row of keys needed for touch-typing.
First Claim
Family
International Classification(s)
- Non-US Classification not provided for expired patents
Cited Art Landscape
Patent Citation Ranking
- Citation Ranking not provided for expired patents
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