| 发明名称 |
PORTABLE ELECTRONIC DEVICE AND METHOD OF CONTROL |
| 摘要 |
A method includes generating an actuation signal for tactile feedback, wherein the tactile feedback comprises a ramp-up segment that comprises at least one ramp-up characteristic that changes during the ramp-up segment and providing tactile feedback to a display in response to the actuation signal.
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| 申请公布号 |
US2011148608(A1) |
申请公布日期 |
2011.06.23 |
| 申请号 |
US20090641638 |
申请日期 |
2009.12.18 |
| 申请人 |
RESEARCH IN MOTION LIMITED |
发明人 |
GRANT CHRISTOPHER JAMES;WEBER ARNETT RYAN |
| 分类号 |
G08B6/00 |
主分类号 |
G08B6/00 |
| 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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