06597345 is referenced by 229 patents.

A multifunction keypad includes a touch-sensitive surface with a number of regions designated as keys. A processor, associated with the touch-sensitive surface, is configured to: (i) identify a contact location at which an object comes into contact with the touch-sensitive surface, (ii) determine a selected one of the keys corresponding to the one of the regions within which the contact location is located, (iii) identify a direction of motion of the object across the touch-sensitive surface relative to the contact location, and (iv) select in a manner conditional upon at least the direction of motion one of a plurality of functions associated with the selected key.

Title
Multifunctional keypad on touch screen
Application Number
9/985596
Publication Number
6597345 (B2)
Application Date
November 5, 2001
Publication Date
July 22, 2003
Inventor
David Hirshberg
Haifa
US
Agent
Mark M Friedman
US
Assignee
Jetway Technologies
US
IPC
G09G 5/00
View Original Source