Handheld wireless communication device

Details Handheld wireless communication device Handheld wireless communication device

2007-02-06

2011-11-22

Agosta, Steve D (Department: 2617)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S168100, C455S169100, C455S466000, C455S556100, C455S556200, C455S566000, C455S575100, C455S575300, C455S575400

Reexamination Certificate

active

08064946

ABSTRACT:
An handheld wireless communication device that is cradleable in one hand during text entry. A display, key field and trackball navigation tool are located on a front face of the device. At least some keys of the key field are arranged in key-columns and each of the key-columns is vertically offset from adjacent key-columns. 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. A menu key is positioned adjacent to the trackball navigation tool that upon actuation displays an available action menu on the display in dependence of the currently running application on the device.

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