User exchangeable mobile phone keypad

Details User exchangeable mobile phone keypad User exchangeable mobile phone keypad

2007-09-11

2007-09-11

Anderson, Matthew (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S575300, C455S575400, C455S575600

Reexamination Certificate

active

09998849

ABSTRACT:
A handset having a housing having a display and first keypad. The first keypad is removably coupled to the housing. Circuitry is provided within the housing. The circuitry is adapted to interface with the display and the first keypad. A second keypad is provided. The second keypad is exchangeable with the first keypad. The second keypad is adapted to replace the first keypad on the housing when the first keypad is removed from the housing.

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