Systems And Methods For Interfacing A User With A Touch-Screen
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United States of America Patent
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Issued Date -
Nov 1, 2007
app pub date -
Apr 27, 2007
filing date -
May 1, 2006
priority date (Note) -
Abandoned
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Abstract
Described herein are systems and methods for interfacing a user with a touch-screen. In overview, some embodiments provide for an array of conventional numerical keys to be graphically represented as a primary menu on a touch-screen of a cellular phone or PDA. The graphically represented keys arranged as sectors or annular sectors in a contiguous array around a central origin. To provide text-based input (for example in the process of authoring a text-message or email), a user touch-selects one of the keys, and is provided with a secondary menu for allowing selection of a particular alphanumeric character associated with the selected numerical key. This association is optionally based on a protocol such as ETSI ETS 300 640 or ITU-T Recommendation E.161. In some embodiments the secondary menu, or a similar tertiary menu, is used to provide additional predictive text functionality.
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