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:
Jun. 10, 2014
Filed:
Dec. 09, 2009
Yves Eray, Thorigne Fouillard, FR;
Yves Eray, Thorigne Fouillard, FR;
Eray Innovation, Thorigne-Fouillard, FR;
Abstract
The invention concerns an RFID/NFC antenna circuit. An antenna (L) is formed by at least three turns (S), the antenna having a first end terminal (D) and a second end terminal (E), two access terminals () to connect a charge, a tuning capacitance (C, ZZ) for tuning at a prescribed tuning frequency, an intermediate tap (A) connected to the antenna (L) and distinct from terminals (D, E), a first connector (CONA) connecting the intermediate tap (A) to terminal (), a second connector (CONE) connecting end terminal (E) to the capacitance terminal (CE). A third connector (CON, CON) connects the capacitance terminal (CX) and the second access terminal () respectively to a first point (P) of the antenna (L) and to a second point (P) of the antenna (L) connected to the first point of the antenna (L) at least one turn (S) of the antenna (L).