Key arrangement for a keyboard

Details Key arrangement for a keyboard Key arrangement for a keyboard

2004-07-30

2008-10-21

Tran, My-Chau T (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Including keyboard

C345S168000, C400S472000, C400S488000

Reexamination Certificate

active

07439959

ABSTRACT:
A key arrangement includes a plurality of keys that are arranged in a regular grid of rows and columns. The columns include a first column, a last column, and at least one middle column. The keys in the first and last columns are smaller than the keys in the at least one middle column. A method for improving the ergonomics of a key arrangement on a keyboard of a fixed size is provided. A method for designing a key arrangement for a mobile communication device is also provided.

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