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US 7,802,731 B2Granted
Surface having coded data layers
AssigneeSilverbrook Research Pty Ltd
InventorsPaul Lapstun, Kia Silverbrook
Life of this patent
Estimating the term…
Abstract
A surface is provided having disposed therein or thereon a plurality of coded data layers. The coded data layers include a raw data layer having at least one raw data portion, a fault-tolerant data layer having at least one fault-tolerant data portion, and an alignment data layer having alignment data indicative of at least two registration positions. The registration positions are indicative of a relative position of the raw and fault-tolerant data portions with respect to the surface.
Claims9
A surface having disposed therein or thereon a plurality of coded data layers, the coded data layers comprising:
- a raw data layer comprising at least one raw data portion;
- a fault-tolerant data layer comprising at least one fault-tolerant data portion;
- and
- an alignment data layer comprising alignment data indicative of at least two registration positions, the registration positions being indicative of a relative position of the raw and fault-tolerant data portions with respect to the surface.
1 more element
Dependencies are inferred from the claim text.