Patent ID: 11941735
Assignee: SODYO LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 10:
11. A computer software product, comprising a tangible, non-transitory computer-readable medium in which program instructions are stored, which instructions, when read by a computing device, cause the device to capture an image of a symbol comprising at least four regions meeting at a common vertex and having different, respective colors selected so as to encode a specified digital value,
wherein the specified digital value is encoded by assigning to each the colors respective digital codes comprising respective binary values representing three primary color components of the colors of the regions, and encoding the specified digital value by combining at least four of the digital codes while selecting the colors such that none of the binary values is constant over all of the selected colors, and
wherein the instructions cause the computing device to process the image so as to decode the specified digital value.