Patent Document ID: 7530031
Application ID: 10351383

Base Claim:
1. A character input device comprising a display unit having a display screen simultaneously displaying, when characters of hiragana 50-character Japanese language phonetic syllabary or alphanumeric characters are divided into a plurality of groups comprising columns and rows, characters of at least two columns spanning from at least two lines on a character input region provided on said display screen, a first group of two input keys and a second group of two input keys, and a display control unit displaying, in an identifiable manner, at least one selected character among the characters displayed on the character input region, said display control unit sequentially changing at least one character which is to be focused so as to be identifiable by scrolling at least two lines of characters in accordance with an operation of said first group of two input keys, said at least two lines of characters being displayed simultaneously; and changing the character, which is being focused so as to be identifiable, with another character belonging to the same row as that character in accordance with operation of said second group of two input keys.

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Claim 8:
8. A character input device as set forth in claim 1 , which displays a center character in an identifiable manner, displays characters of the previous or next group in the row direction or column direction, and displays characters belonging to the same group as the focused character in the column direction or row direction.