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:
Apr. 15, 1997
Filed:
May. 11, 1995
Applicant:
Inventors:
Assignee:
Unicate B.V., KE Groningen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
25055944 ; 2502081 ; 283 83 ;
Abstract
A device for determining from one or more different directions the geometrical pattern of a mark being randomly shaped in three dimensions and being embedded in a transparent material and securely fixed to an object. A radiation source is designed to emit radiation to a matrix of radiation detectors. The object is placed with the mark in the path of the radiation for projecting a silhouette of the mark onto the matrix of radiation detectors by the radiation sources.