H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
H01Q 21/24 (2006.01) H01Q 1/38 (2006.01) H01Q 5/00 (2006.01) H01Q 15/10 (2006.01) H01Q 15/12 (2006.01) H01Q 21/06 (2006.01)
Patent
CA 2228640
The antenna in the invention includes a radiating resonating element (22), which emits polarized hyperfrequency waves. It is characterized by the fact that it includes a first diffracting device such as a ring (30), which radiates the waves at an angle greater than the angle of emission of the radiating element (22), and a second diffracting device such as a skirt (34), which corrects the purity of polarization of the waves at least in the angular directions remote from the axial direction (12) of the antenna.
L'antenne selon l'invention comprend un élément résonnant rayonnant (22) pour émettre des ondes hyperfréquences polarisées. Elle est caractérisée en ce qu'elle comporte un premier moyen diffractant, tel qu'une couronne (30), pour rayonner les ondes selon un angle supérieur à l'angle d'émission de l'élément rayonnant (22), et un second moyen diffractant, tel qu'une jupe (34), qui corrige la pureté de polarisation des ondes au moins dans des directions angulaires éloignées de la direction axiale (12) de l'antenne.
Croq Frederic
Legay Herve
Rostan Thierry
Alcatel
Alcatel Alsthom Compagnie Generale D'electricite
Robic
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