发明名称 DOUBLE PRE-LOADED DEFLECTION WEBS FOR KEYPAD
摘要 A keypad for an electronic device is provided and includes a substrate comprising an array of dome elements, an array of frets, an array of mechanical keys disposed in rows interleaved between the frets, a first deflection web supportively disposed adjacent to the substrate and a second deflection web disposed between the frets and the keys and the first deflection web. The substrate is configured to pre-load the first and second deflection webs toward the keys.
申请公布号 US2015049024(A1) 申请公布日期 2015.02.19
申请号 US201313969109 申请日期 2013.08.16
申请人 BLACKBERRY LIMITED 发明人 Chen Chao
分类号 G06F3/02 主分类号 G06F3/02
代理机构 代理人
主权项 1. A keypad for an electronic device, comprising: a substrate comprising an array of dome elements; an array of frets; an array of mechanical keys disposed in rows interleaved between the frets; a first deflection web supportively disposed adjacent to the substrate; and a second deflection web disposed between the frets and the keys and the first deflection web, the substrate being configured to pre-load the first and second deflection webs toward the keys.
地址 Waterloo CA