Handheld wireless communication device
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United States of America Patent
Stats
-
Jul 26, 2011
Grant Date -
Nov 1, 2007
app pub date -
Feb 6, 2007
filing date -
Jun 21, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A handheld wireless communication device configured to send and receive text messages. The device is hand cradleable with an elongate 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 elongate body and that includes a plurality of alphanumeric input keys and menu control keys. A trackball navigation tool is located on the front face of the elongate 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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