Patent ID: 8851391

Claim:
A graphical indicator combination, comprising: a plurality of graphical indicators located adjacent to each other on a surface of an object, each in an area on the surface, each area being divided into a plurality of state zones arranged in a form of an m by n matrix, m>2, n>2, m and n being integers, each of the graphical indicators comprising: at least one header portion capable of distinguishing the corresponding graphical indicator from adjacent graphical indicators and indicating the orientation of the corresponding graphical indicator, each header portion comprising a plurality of first graphical micro-units disposed in parts of the state zones, each of the first graphical micro-units being disposed in one of the state zones respectively, and a content portion comprising a plurality of second graphical micro-units disposed in other parts of the state zones, each of the second graphical micro-units being disposed in one of the state zones respectively; wherein the surface of the object comprises a main information that overlaps and co-exists with the graphical micro-units, and the graphical micro-units are visually negligible when the user observes the main information, and wherein each of the graphical micro units is printed in a Black (K) primitive color ink, and the main information is printed in a Cyan (C), a Magenta (M), or a Yellow (Y) primitive color ink, or a combination thereof.