发明名称 METHOD AND APPARATUS FOR ALPHANUMERIC DATA ENTRY USING A KEYPAD
摘要 A keypad for inputting alphabetical characters for use in an electronic device comprises an array of keys, each of which is assigned to one of elements of alphabetical characters. Each element is a portion of an alphabetical character and combination of the elements forms each character. The alphabetical character is produced by activation of keys to which the elements constituting the character are assigned.
申请公布号 US2009201252(A1) 申请公布日期 2009.08.13
申请号 US20060910573 申请日期 2006.10.02
申请人 LEE SEOK HO 发明人 LEE SEOK HO
分类号 G06F3/02;H03M11/00 主分类号 G06F3/02
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