Patent 10235543 was granted and assigned to Infineon Technologies on March, 2019 by the United States Patent and Trademark Office.
A booster antenna structure for a chip card. The booster antenna structure includes a first electrical circuit, which forms a first resonant circuit, a second electrical circuit which forms a second resonant circuit, and a parallel coupling between the first electrical circuit and the second electrical circuit. The booster antenna structure is formed of a single wire.