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:
Oct. 20, 2015
Filed:
Dec. 28, 2012
FĂ©inics Amatech Teoranta, Tourmakeady, County Mayo, IE;
David Finn, Tourmakeady, IE;
Klaus Ummenhofer, Kaufbeuren, DE;
Feinics Amatech Teoranta, Lower Churchfield, Tourmakeady, Co. Mayo, IE;
Abstract
A dual interface (DI) smart card () comprising a chip module (CM), a module antenna (MA), a card body (CB) and a card antenna (CA) having two windings (D,E) connected with reverse phase as a 'quasi-dipole'. Capacitive stubs (B,C) connected with an antenna structure (A) of the module antenna (MA). The module antenna (MA) overlaps only one of the windings (D or E) of the card antenna (CA). The card antenna (CA) may be formed from one continuous wire. Ferrite () shielding the module antenna (MA) from contact pads (CP) and for enhancing coupling between the module antenna (MA) and the card antenna (CA). The card antenna (CA) may be disposed substantially only in a top half portion of the card body (CB).