发明名称 KEYBOARD FOR A MOBILE DEVICE
摘要 A keyboard apparatus includes a group of keys with corresponding actuation indicia for a plurality of numerals in a telephone keypad and a plurality of letters in an overlapping text-entry keyboard. Each key in the group is configured for multi-directional movement pivotally into multiple actuated positions that comprise at least one telephone numeral position and multiple text-entry letter positions that are each different from the telephone numeral position.
申请公布号 US2009128369(A1) 申请公布日期 2009.05.21
申请号 US20090358074 申请日期 2009.01.22
申请人 RAK ROMAN PETER;HOLMES JOHN A;GRIFFIN JASON T 发明人 RAK ROMAN PETER;HOLMES JOHN A.;GRIFFIN JASON T.
分类号 H03M11/00 主分类号 H03M11/00
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