Patent ID: 9159010
Filing Date: 2015-10-13
Classification: G06K

Abstract:
1. An optical machine-readable code format comprising: an optical machine-readable code zone; and a plurality of optical machine-readable code markers arranged within the code zone, wherein each of the optical machine-readable code markers is arranged at one of a plurality of pre-defined positions within the code zone, the code format further including an optical machine-readable orientation device indicating a correct orientation of the code zone, wherein the position of the code markers within a correctly orientated code zone corresponds to a pre-defined code, wherein the code zone is a matrix of points in a pre-defined array, the points in the matrix represent code integers, and the code markers are positioned at a plurality of said points in the matrix to define an optical machine readable sequence of code integers, wherein the code markers are positionable at one of a plurality of pre-defined locations associated with a respective point in the matrix, wherein each pre-defined location represents a specific code integer associated with the respective point in the matrix wherein the plurality of pre-defined locations defines a sub-matrix within the matrix, and wherein one of the plurality of locations in the respective sub-matrix denotes one of a plurality of pre-defined readings for therespective code marker, and wherein the code format includes a determination marker that indicates which of the plurality of pre-defined readings applies.