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:
Dec. 09, 2003
Filed:
Jun. 05, 2000
Applicant:
Inventors:
Anett Bailleu, Berlin, DE;
Frank Kappe, Rheda-Wiedenbrück, DE;
Assignee:
Bundesdruckerei GmbH, Berlin, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 1/900 ;
U.S. Cl.
CPC ...
G06K 1/900 ;
Abstract
A security feature is provided for value and security documents in the form of piezo security particles. Electrical and mechanical properties of the piezo-security particles are utilized to detect and evaluate the security feature of the value and security document.