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. 22, 2004
Filed:
Aug. 21, 2002
Applicant:
Inventors:
Franck Thudor, Rennes, FR;
Philippe Minard, Rennes, FR;
Ali Louzir, Rennes, FR;
Françoise le Bolzer, Rennes, FR;
Assignee:
Thomson Licensing, S.A., Boulogne-Billancourt, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/312 ;
U.S. Cl.
CPC ...
H01Q 1/312 ;
Abstract
Compact, planar antenna made on a substrate comprising an annular slot which is dimensioned to operate at a given frequency and which is placed in a short-circuit plane of a line via which the antenna slot is fed. A second slot feed line is symmetrically disposed with respect to the first line in the line short-circuit plane common to them. Each of the lines, furnished with a port, is connected to a switching facility so as to allow the feeding of the antenna through one or the other of the two ports.