The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 23, 2009

Filed:

Mar. 19, 2007
Applicants:

Yao-hung Tsai, Chu Pei, TW;

Li-ching Chen, Chu Pei, TW;

Inventors:

Yao-Hung Tsai, Chu Pei, TW;

Li-Ching Chen, Chu Pei, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 21/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A graphical indicator provided on the surface of an object to represent index information includes a content part and a header part. The content part is spread with a plurality of micro-units and divided into a plurality of state zones. Each state zone is spread with one micro-unit and equally divided into multiple hypothetical sections. The micro-unit is placed in any of the hypothetical sections to form different candidate states. The header part is spread with a plurality of micro-units that are specifically arranged to provide header information used to recognize the graphical indicator.


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