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

Claim 8:
9. An information system, comprising:
a display, configured to present multiple symbols, each symbol comprising at least four regions meeting at a common vertex; and
a server, configured to receive a specified digital value and an assignment of respective digital codes to a set of colors, the digital codes comprising respective binary values representing three primary color components of the colors,
wherein the server is configured to encode 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 to generate and transmit a symbol for presentation on the display, in which the at least four regions have the colors selected so as to encode the specified digital value using the respective digital codes, and
where in the server is configured to receive a message from a client device indicating a digital value decoded by the client device upon capturing and analyzing an image containing one of the symbols, and to provide to the client device, in response to the message, an item of information corresponding to the digital value.