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:
Feb. 05, 2002
Filed:
Sep. 02, 1999
Applicant:
Inventors:
Assignee:
Giesecke & Devrient GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 1/906 ;
U.S. Cl.
CPC ...
G06K 1/906 ;
Abstract
The invention relates to a security element for a security document such as a bank note, ID card or the like consisting of a translucent plastic layer having an opaque layer with gaps in the form of characters, patterns or the like recognizable in transmitted light. Additionally the security element has a magnetic layer in the form of spaced-apart magnetic areas forming a coding, the gaps recognizable in transmitted light being disposed in the magnetic layer-free intermediate areas of the coding.