发明名称 Haptic Keypad and Electronic Device
摘要 An improved handheld electronic device includes an improved keypad with keys that impart a plurality of different instances of a given physical property. In one embodiment, each key imparts of plurality of different instances of the given physical property, such as by forming each key of a plurality of materials. In another embodiment, each key includes only a single instance of a given physical property, but different keys posses different instances of the same physical property, i.e., certain keys may be formed of a first material, and other keys may be formed of a second, different material.
申请公布号 US2007268260(A1) 申请公布日期 2007.11.22
申请号 US20070749346 申请日期 2007.05.16
申请人 LADOUCEUR NORMAN M;GIFFIN JASON T;FYKE STEVEN H;RAK ROMAN P 发明人 LADOUCEUR NORMAN M.;GIFFIN JASON T.;FYKE STEVEN H.;RAK ROMAN P.
分类号 G09G5/00 主分类号 G09G5/00
代理机构 代理人
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