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.
Patent No.:
Date of Patent:
Nov. 27, 2001
Filed:
Jun. 22, 1999
Applicant:
Inventor:
Martin Peter Todd, Uxbridge, GB;
Assignee:
Central Research Laboratories Limited, Middlesex, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/36 ;
U.S. Cl.
CPC ...
G06K 9/36 ;
Abstract
A method for inserting coded information into an image comprising the steps of analyzing the image, identifying the edge regions within the image, determining the strength of the edge region, and producing an edge function which is dependent on the strength of the edge. The edge function is added to the image in order to represent coded information.