Title:
KEY ARRANGEMENT FOR A KEYBOARD
Document Type and Number:
WIPO Patent Application WO2006010272
Kind Code:
B1
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.
Inventors:
GRIFFIN JASON T (CA)
TYNESKI FRANK M (CA)
TYNESKI FRANK M (CA)
Application Number:
PCT/CA2005/001191
Publication Date:
August 31, 2006
Filing Date:
July 29, 2005
Export Citation:
Assignee:
RESEARCH IN MOTION LTD (CA)
International Classes:
B41J5/10; G06F1/16; G06F15/02; H04Q7/32
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