发明名称 Four column keypad
摘要 A keypad arrangement and keypad arrangement of a handheld device implements a 12-key keypad to optimize space utilization on a handheld device. The display area on a user viewable side may occupy 25% or more of the available user side surface of the handheld device. The keypad is arranged as a three row by four column matrix. The number sign special function key may remain adjacent to the number 9 key of a standard keypad to facilitate effective changeover for the user when switching from a standard keypad.
申请公布号 US2007296703(A1) 申请公布日期 2007.12.27
申请号 US20060475404 申请日期 2006.06.26
申请人 NOKIA CORPORATION 发明人 BESTLE NIKOLAJ
分类号 G09G5/00 主分类号 G09G5/00
代理机构 代理人
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