Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Reexamination Certificate
2006-10-17
2006-10-17
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
C345S166000, C178S018090
Reexamination Certificate
active
07123245
ABSTRACT:
A method of enabling user interaction uses an interface surface which contains information relating to at least one drawing field. The interface surface includes coded data that is indicative of an identity of the interface and a plurality of reference points. A sensing device is provided which senses coded data when placed in an operative position relative to the interface surface, and uses this to generate indicating data indicative of the drawing field and data indicative of the sensing device's movement or position relative to the interface surface. The method includes having a computer system receive the data from the sensing device and use this to identify the drawing field and any movement of the sensing device within the field.
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Abdulselam Abbas I.
Hjerpe Richard
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