Patent ID: 7131596
Filing Date: 2006-11-07
Classification: G06F,G06K,G06Q,H04N

Abstract:
1. Coded data for disposal on or in an interface surface associated with a product item, the coded data being indicative of an identity of the product item, the coded data being arranged in accordance with at least one layout having n -fold rotational symmetry about a center of rotation, where n is at least two, the layout including n identical sub-layouts rotated 1 /n revolutions apart about the center of rotation, at least one sub-layout including rotation-indicating data that distinguishes that sub-layout from each other sub-layout, wherein the coded data includes a plurality of coded data portions disposed on or in the interface surface, each coded data portion being indicative of an identity of the product item, wherein each coded data portion is provided at a respective position on the interface surface, and wherein each coded data portion includes data that is indicative of the respective position.