Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2011-01-11
2011-01-11
Corsaro, Nick (Department: 2617)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S418000, C455S414100
Reexamination Certificate
active
07869832
ABSTRACT:
System and method for informing a user of functions or characters associated with keys on a mobile communications device includes a keyboard operable to input Dual-tone multi-frequency (DTMF) codes and a display screen operable to display information. The display screen is also operable to display a virtual representation of at least a portion of the keyboard. The virtual representation includes help information on one or more virtually represented keys of the keyboard. This help information informs a user of an associated telephone function or character of one or more keys that are virtually represented on the display.
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Chambers Tangela T.
Corsaro Nick
Novak Druce & Quigg LLP
Research In Motion Limited
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