发明名称 Capacitive-matrix keyboard with multiple touch detection
摘要 An apparatus and method for detecting activation of one or more capacitive keys when presences of the one or more touches are detected on unique combinations of three or more sensor elements at the respective locations of the capacitive keys on which the one or more touches are detected. In one embodiment, the method correctly detects the activations of multiple keys when multiple substantially simultaneous touches are detected.
申请公布号 US8258986(B2) 申请公布日期 2012.09.04
申请号 US20080217143 申请日期 2008.07.01
申请人 MAKOVETSKYY MYKHAILO;CYPRESS SEMICONDUCTOR CORPORATION 发明人 MAKOVETSKYY MYKHAILO
分类号 G06F3/044;G06F3/041 主分类号 G06F3/044
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