ALPHABET INPUT DEVICE AND ALPHABET RECOGNITION SYSTEM IN SMALL-SIZED KEYPAD
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United States of America Patent
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app pub date -
Nov 30, 2012
filing date -
Jul 14, 2008
priority date (Note) -
Abandoned
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Abstract
Disclosed herein are an alphabet input device and an alphabet recognition system in a small-sized keypad. The device includes: a first keypad part comprising a plurality of buttons each of which is assigned with a symbol extracted from strokes of alphabet characters so that the alphabet characters be input by one of the buttons or a combination of two or more of the buttons; and a second keypad part comprising one or more buttons each assigned with an alphabet character having a high usage frequency. With the device, alphabet characters can be inputted in a simpler and more efficient manner.
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