Patent Number: 7,819,598

Title: Keyboard arrangement

Abstract: A physical keyboard includes a plurality of multi-functional keys with a reduced column QWERTY key arrangement overlaid with a numeric phone key arrangement for use in both text entry and telephony. Another physical keyboard includes a plurality of multi-functional keys having an array of alphabetic characters and an overlaid numeric array of numbers. A handheld mobile station has a first user interface having a standard alphabetic key arrangement and a second user interface having a numeric phone key arrangement. The space key of the keyboard may be taller than the remainder of keys in the row.

Inventors: Griffin; Jason T. (Waterloo, CA)

Assignee: Research in Motion Limited

International Classification: G06F 3/023 (20060101)

Expiration Date: 2018-10-26 0:00:00