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:
Aug. 16, 2005
Filed:
Apr. 19, 2002
Jon Kristian Hagene, Dilling, NO;
Karl Henrik Haugholt, Oslo, NO;
Håvard Tørring, Blystadlia, NO;
Kjartan Vartdal, Haugesund, NO;
Jon Kristian Hagene, Dilling, NO;
Karl Henrik Haugholt, Oslo, NO;
Håvard Tørring, Blystadlia, NO;
Kjartan Vartdal, Haugesund, NO;
Norsk Elektro Optikk A/S, Skarer, NO;
Abstract
Apparatus and method for optical inspection of a pipeline () for transporting fluid () by internal surveying. Light source means () are adapted to form one or more beams of light () illuminating a line (L) of a surface part () of said pipeline (). Optical receiving means () are positioned outside a plane formed by said beams () and arranged to have in its field of view () the line (L) formed on the internal wall of the pipeline () by the beam (). The receiving means () are adapted to form a two-dimensional indexed images () each comprising intensity data for a predetermined number of pixels in each of a predetermined number of lines (M) of said image (). A data processing unit () including an image analyzer module () is adapted for extracting a depth profile of said surface ().