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:
Apr. 11, 2006
Filed:
Oct. 13, 2004
Applicants:
Franck Thudor, Rennes, FR;
François Baron, Cesson Sevigne, FR;
Françoise Le Bolzer, Rennes, FR;
Inventors:
Assignee:
Thomson Licensing, Boulogne-Billancourt, FR;
Primary Examiner:
Int. Cl.
CPC ...
H01Q 13/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a dual-band planar antenna formed by at least one slot of closed shape fabricated on a printed substrate having a perimeter equal to kλ, and two supply lines supplying power to the slot via two accesses separated by (2m+1)λ/4, where λis the guided wavelength in the slot and k and m integers greater than 0, the slot comprising means modifying the operating frequency, one of the supply lines being situated on the said means. The invention is especially applicable to antennas used in domestic wireless networks (IEEE802-11a or Hyperlan 2 standards.