发明名称 Flip-cover sensor for keypad
摘要 There is disclosed a keypad apparatus and a method for determining the status of a keypad apparatus. In one embodiment, the keypad apparatus includes a keypad having a plurality of keys and a keypad matrix associated with the keypad and having a switch. The keypad apparatus also includes a cover moveable between an open and a closed position. The keypad apparatus still further includes a means for engaging that cooperates with and allows the switch to provide a status indicating a position of the cover.
申请公布号 US6894239(B2) 申请公布日期 2005.05.17
申请号 US20030370137 申请日期 2003.02.19
申请人 AGERE SYSTEMS INC. 发明人 BENNETTS DAVID J.;BUCKLEY ROBERT A.;VERNEY RICHARD
分类号 G06F3/02;H04M1/02;H04M1/23;(IPC1-7):H01H19/04 主分类号 G06F3/02
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