Embedded planar antenna and pertaining tuning method

H - Electricity – 01 – Q

Patent

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Details

H01Q 1/40 (2006.01) H01Q 1/38 (2006.01)

Patent

CA 2561278

The invention relates to an improved planar antenna, especially a patch antenna (1), which comprises an electrically conductive ground plane (2); a first dielectric substrate layer (3) arranged on said ground plane (2) and having a first relative permittivity; at least one electrically conductive effective area (4) arranged on the first dielectric substrate layer (3) and electrically connected to one end (5a) of an electrically conductive feed line (5); at least one second dielectric substrate layer (6) arranged on the effective area (4) and having a second relative permittivity; whereby the second relative permittivity is larger or equal the first relative permittivity.

Antenne améliorée, du type de construction plane, en particulier antenne à plaques (1), comprenant les caractéristiques suivantes : une surface de mise à la masse électroconductrice (2) ; une première couche de substrat diélectrique (3), disposée sur la surface de mise à la masse (2), ayant une première constante diélectrique relative ; au moins une surface de rayonnement électroconductrice (4), disposée sur la première couche de substrat diélectrique (3), connectée électriquement, par une extrémité (5a), à une ligne d'alimentation électroconductrice (5) ; au moins une seconde couche de substrat diélectrique (6), disposée sur la surface de rayonnement (4), ayant une seconde constante diélectrique relative ; la seconde constante diélectrique relative étant supérieure ou égale à la première constante diélectrique relative.

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