Integral navigation keys for a mobile handset

Details Integral navigation keys for a mobile handset Integral navigation keys for a mobile handset

2007-04-17

2007-04-17

Gary, Erika A. (Department: 2617)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S575100, C455S090300, C455S090200, C455S566000, C345S170000, C341S021000

Reexamination Certificate

active

09853126

ABSTRACT:
Mobile telephone handset navigation functions are integrated into certain of the alphanumeric keys of the mobile keypad. Up, down, right, and left navigation functions are integrated into four alphanumeric keys. The mobile automatically toggles between the navigation and alphanumeric functions of these keys based on where the user is within the interface routine of the mobile. Optionally the user can manually toggle between the navigation and alphanumeric functions by pressing a menu key.

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