Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Reexamination Certificate
2006-04-18
2006-04-18
Awad, Amr A. (Department: 2677)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
C345S179000
Reexamination Certificate
active
07030861
ABSTRACT:
A multi-touch system is disclosed that compares finger arrangements at the beginning of multi-touch gestures and discriminates between neutral- and spread-hand performances. Gestures by the neutral- and spread-hand versions of each chord are then mapped to separate, but intuitively related cursor functions or sets of commands. Less-frequently performed functions and commands are typically assigned to the spread-hand chord, since spreading the hand from neutral takes deliberate effort. With these neutral and spread distinctions, a two-handed gesture set can be packed into a one-handed touch surface, or for two-handed touch surfaces, twice as many intuitively customizable gesture command sets can be accomodated.
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Elias John G.
Westerman Wayne Carl
Awad Amr A.
Sheng Tom
Wong Cabello Lutsch Rutherford & Brucculeri LLP
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