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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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