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. 19, 2013
Filed:
Apr. 01, 2009
Maurizio Lazzerini, Cerro al Lambro, IT;
Maurizio Lazzerini, Cerro al Lambro, IT;
Fedrigoni S.p.A., Verona, IT;
Abstract
A security element, particularly for banknotes, security cards and the like, comprising a first substrate which is at least partially opaque when viewed in transmitted light, and a plurality of magnetic areas being arranged on the substrate, wherein each of the magnetic areas is formed by a first magnetic material, a second magnetic material or an arrangement of the first and the second magnetic materials being at least partially superimposed, the first magnetic material and the second magnetic material exhibiting different coercivity values which are detectable by a sensor, wherein the first and second magnetic materials are magnetically saturated such that one of the first and second magnetic materials is not affected by the other.