发明名称 |
Tactile feedback system and method for a mobile communication device having a trackball |
摘要 |
The invention is directed at a tactile feedback system and method for a handheld electronic device having a trackball. As the user uses the trackball to move a navigation tool over the display, a tactile feedback is provided to the user as an indication of the objects over which the navigation tool has rolled over.
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申请公布号 |
EP1857912(A1) |
申请公布日期 |
2007.11.21 |
申请号 |
EP20060114020 |
申请日期 |
2006.05.16 |
申请人 |
RESEARCH IN MOTION LIMITED |
发明人 |
MUNROE, LESALLE;LOWLES, ROBERT;MANKARUSE, GEORGE;HUI, EDWARD |
分类号 |
G06F3/00 |
主分类号 |
G06F3/00 |
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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