Handheld electronic device and keypad having tactile features

Details Handheld electronic device and keypad having tactile features Handheld electronic device and keypad having tactile features

2005-06-03

2008-10-07

Pan, Yuwen (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S550100, C455S090100, C455S090200, C455S090300, C455S575300, C455S575400, C345S168000, C345S169000, C345S170000, C345S171000, C345S172000

Reexamination Certificate

active

07433719

ABSTRACT:
An improved handheld electronic device and keypad include tactile features that help a user to identify certain keys of the keypad. In the present exemplary embodiment, the keypad includes keys in a predetermined region that can be employed during a telephone operation. The keypad additionally includes other keys outside the predetermined region. The keys in the predetermined region include tactile features that enable the user to identify and actuate the keys in the predetermined region during a telephone operation with the user directing minimal visual attention to the handheld electronic device.

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