发明名称 |
HANDHELD WIRELESS COMMUNICATION DEVICE |
摘要 |
A handheld wireless communication device configured to send and receive text messages. The device is hand cradleable with a body configured to be held in one hand by an operator during text entry. A display is located on a front face of the body and upon which information is displayed to the operator during text entry. A key field is also located on the front face of the body and that includes a plurality of alphanumeric input keys and menu keys. A trackball navigation tool is located on the front face of the body. The alphanumeric input keys include several alphabetic keys with letters arranged in a traditional (QWERTY), but non-ITU Standard E.161 telephone letter layout. A microprocessor is provided that receives operator commands from the keys and the trackball navigation tool and which affects corresponding changes to the display based on user input.
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申请公布号 |
US2007254689(A1) |
申请公布日期 |
2007.11.01 |
申请号 |
US20070671977 |
申请日期 |
2007.02.06 |
申请人 |
GRIFFIN JASON T;FYKE STEVEN |
发明人 |
GRIFFIN JASON T.;FYKE STEVEN |
分类号 |
H04M1/00;G06F3/02 |
主分类号 |
H04M1/00 |
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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