Interface surface for user interaction with a computer system via a sensing device
First Claim
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1. An interface surface for user interaction with a computer system via a sensing device, the interface comprising:
- visible graphical information; and
,substantially invisible coded data readable by the sensing device, the coded data comprising a plurality of substantially undifferentiated marks positioned relative to a predetermined pattern with a target structure extending radially outwardly from a centre of the pattern for allowing relative rotation of the predetermined pattern to be determined;
wherein,the visible graphical information indicates an operation that the user can select and transmit to the computer system by reading the coded data with the sensing device.
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Abstract
An interface surface for user interaction with a computer system via a sensing device, the interface comprising:
- visible graphical information; and,
- substantially invisible coded data readable by the sensing device, the coded data comprising a plurality of substantially undifferentiated marks positioned relative to a predetermined pattern with a target structure extending radially outwardly from a center of the pattern for allowing relative rotation of the predetermined pattern to be determined; wherein,
- the visible graphical information indicates an operation that the user can select and transmit to the computer system by reading the coded data with the sensing device.
22 Citations
24 Claims
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1. An interface surface for user interaction with a computer system via a sensing device, the interface comprising:
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visible graphical information; and
,substantially invisible coded data readable by the sensing device, the coded data comprising a plurality of substantially undifferentiated marks positioned relative to a predetermined pattern with a target structure extending radially outwardly from a centre of the pattern for allowing relative rotation of the predetermined pattern to be determined;
wherein,the visible graphical information indicates an operation that the user can select and transmit to the computer system by reading the coded data with the sensing device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification