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:
Jan. 12, 2016
Filed:
Jan. 17, 2013
Applicant:
Inside Secure, Aix-en-Provence, FR;
Inventor:
Bruno Charrat, Aix-en-Provence, FR;
Assignee:
INSIDE SECURE, Aix-en-Provence, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 7/00 (2006.01); H04B 5/00 (2006.01); H01Q 1/22 (2006.01);
U.S. Cl.
CPC ...
H01Q 7/005 (2013.01); H04B 5/0087 (2013.01); H01Q 1/2225 (2013.01);
Abstract
An antenna circuit for near-field communications includes a planar active winding, connected between a first and a second access terminal; an auxiliary winding coplanar with the active winding and connected by a first end to the first access terminal; and a tuning capacitor connected to the second end of the auxiliary winding. The turns of the active and auxiliary windings are interleaved.