发明名称 KEYPAD MOUNTED ADDITIVE BUTTON AND METHOD THEREOF
摘要 PURPOSE: A keypad mounted an additive button and a method thereof are provided to mount an additive mode change button for changing a mode of keypad and an additive selection instruction button, thereby capable of inputting character etc. simply with a few frequency of button input. CONSTITUTION: A mode change button(20) changes an input mode of a character plate and is mounted to the left or right side of a portable mobile communication terminal. A first, second and third selection instruction buttons(17,18,19) instruct one character among plurality characters at any one button among a character input button(13) or a function button(12) and are also mounted to the left or right side of a portable mobile communication terminal. A control unit displays the selectively inputted data to a display window of the terminal and stores the displayed data.
申请公布号 KR20030048570(A) 申请公布日期 2003.06.25
申请号 KR20010078508 申请日期 2001.12.12
申请人 ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE;KT CORPORATION 发明人 LEE, JAE UK
分类号 H04M1/23;G06F1/16;G06F3/023;H04M1/02;H04M1/725;(IPC1-7):H04M1/23 主分类号 H04M1/23
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