发明名称 |
MOBILE DEVICE KEYBOARD HAVING THREE-DIRECTION KEYS |
摘要 |
A keyboard for a mobile device is provided that includes a plurality of three-direction keys. The three-direction keys may include three protruding portions that each correspond to at least one character of the keyboard. At least one of the three-direction keys may be inverted with respect to other ones of the three-direction keys. The three-direction keys may be positioned on the mobile device to provide characters in at least three rows the keyboard.
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申请公布号 |
CA2552204(A1) |
申请公布日期 |
2007.02.08 |
申请号 |
CA20062552204 |
申请日期 |
2006.07.14 |
申请人 |
RESEARCH IN MOTION LIMITED |
发明人 |
LAZARIDIS, MIHAL;RAK, ROMAN PETER;GRIFFIN, JASON T. |
分类号 |
G06F3/02;B41J5/28;G06F1/16;H01H13/84 |
主分类号 |
G06F3/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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