发明名称 KEYPAD STRUCTURE
摘要 A keypad structure comprises a plurality of dome switches. Each of the plurality of dome switches provides a first tactile feedback to a user when pressed. At least one vibratory element is electrically connected to the dome switches to actuate when one of the plurality of dome switches is pressed. The at least one vibratory element provides a second tactile feedback to the user.
申请公布号 CA2719332(A1) 申请公布日期 2011.04.30
申请号 CA20102719332 申请日期 2010.10.29
申请人 RESEARCH IN MOTION LIMITED 发明人 CHEN, CHAO
分类号 H01H13/85;H01H13/715 主分类号 H01H13/85
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