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. 19, 2007
Filed:
Oct. 23, 2003
Marc Thevenot, Peyrilhac, FR;
Régis Chantalat, Limoges, FR;
Bernard Jecko, Rilhac-Rancon, FR;
Ludovic Leger, Limoges, FR;
Thierry Monediere, Limoges, FR;
Patrick Dumon, Vigoulet-Auzil, FR;
Hervé Legay, Plaisance du Touch, FR;
Marc Thevenot, Peyrilhac, FR;
Régis Chantalat, Limoges, FR;
Bernard Jecko, Rilhac-Rancon, FR;
Ludovic Leger, Limoges, FR;
Thierry Monediere, Limoges, FR;
Patrick Dumon, Vigoulet-Auzil, FR;
Hervé Legay, Plaisance du Touch, FR;
Centre National de la Recherche Scientifique (C.N.R.S.), Paris, FR;
Centre National d'Etudes Spatiales, Paris, FR;
Abstract
A system includes a device for focusing electromagnetic waves, and a multiple-beam antenna. The antenna includes: a photonic bandgap material () having at least one band gap, at least one periodicity defect () of the photonic bandgap material so as to produce at least one narrow bandwidth within the bandgap material, and excitation elements (to) for transmitting and/or receiving electromagnetic waves within the at least one narrow bandwidth, the elements being arranged relative to one another so as to produce overlapping radiating spots.