发明名称 APPARATUS AND METHOD FOR KEYPAD IN PORTABLE TERMINAL
摘要 PURPOSE: A keypad apparatus in a portable terminal and a method thereof are provided to perform multi division of a connection part in a portable terminal keypad, thereby reducing the number of I/O(Input/Output) ports through coding. CONSTITUTION: A number or a character is printed on a keypad. A lower part includes a keypad connection part and a power supply part. When a ground area and the keypad are pressed, a common connection part(30) and a multi-divided connection part(40) are connected. The keypad connection part includes the common connection part and the multi-divided connection part. A controller is connected to the multi-divided connection part and the common connection part.
申请公布号 KR20100060548(A) 申请公布日期 2010.06.07
申请号 KR20080119177 申请日期 2008.11.27
申请人 SAMSUNG ELECTRONICS CO., LTD. 发明人 SA, GONG JIN;KIM, HARK SANG;PARK, SNAG RYUL
分类号 H04M1/23 主分类号 H04M1/23
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