发明申请
- 专利标题： Handheld Electronic Device Comprising A Keypad Having Multiple Character Sets Assigned Thereto, With The Character Sets Being Individually Illuminable
- 专利标题（中）： 手持电子设备包括具有多个字符集的键盘，其中字符集是独立可显示的
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申请号： US12013554申请日： 2008-01-14
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公开(公告)号： US20090179859A1公开(公告)日： 2009-07-16
- 发明人: Shaul Wisebourt , David Bajar , Steven Henry Fyke , Ian Robertson
- 申请人： Shaul Wisebourt , David Bajar , Steven Henry Fyke , Ian Robertson
- 主分类号： G06F3/02
- IPC分类号： G06F3/02
摘要：
An improved handheld electronic device has a keypad that includes a plurality of different character sets selectively illuminable thereon. Different types of light and different mechanisms for delivering light provide the selective illumination of a particular character set. When a particular character set is illuminated, a corresponding character lookup table is active on the handheld electronic device whereby the processor determines the particular character or characters that were intended in an actuation of a key of the keypad.
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