1517228-A2 is referenced by 285 patents and cites 6 patents.

A gesture recognition method includes detecting multiple pointers in close proximity to a touch surface to determine if the multiple pointers are being used to perform a known gesture. When the multiple pointers are being used to perform a known gesture, a command associated with the gesture is executed. A touch system incorporating the gesture recognition method is also provided.

Title
Gesture recognition method and touch system incorporating the same
Application Number
EP20040255568 20040915
Publication Number
1517228(A2)
Application Date
September 15, 2004
Publication Date
March 23, 2005
Inventor
Morrison Gerald D
CA
Hill Douglas B
CA
Assignee
Smart Technologies
CA
IPC
G06F 03/033
G06T 07/20
G06F 03/048
G06F 03/033
G06F 03/041
G06T 07/20
G06F 03/048
G06F 03/042
G06F 03/033
G06F 03/041
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