Key input device
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United States of America Patent
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Jan 30, 2007
Grant Date -
Sep 16, 2004
app pub date -
Mar 5, 2003
filing date -
Mar 12, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A key inputting device includes a vowel switch for inputting vowels, and consonant switches for inputting consonants. The vowel switch is displacable in five directions, each consonant switch is displacable in three directions, and displacement directions of each switch are allotted to each letter of alphabet corresponding to at least a movement of articulatory organs when pronouncing each letter, that is, a movement or a location of a jaw, a throat, a tongue, lips. The vowel switch is operationable by a thumb, and the consonant switches are operationable by an index finger, a middle finger, a ring finger, and a little finger, respectively.
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