H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
351/26
H01Q 21/24 (2006.01) H01P 1/161 (2006.01) H01P 5/08 (2006.01) H01Q 1/36 (2006.01) H01Q 13/00 (2006.01)
Patent
CA 1229161
11 ABSTRACT: Antenna output for a planar antenna comprising an array of receiving elements provided by two networks (20, 30) of high frequency transmission lines and three sheets (10, 40, 50) which are arranged such that the first sheet (10) comprises first cavities (11), the first and second transmission line networks are planar, located respec- tively on either side of this first sheet and, for signal reception, coupled to each of the cavities by a corres- ponding number of distinct ends forming exciting probes along two perpendicular axes, and that the third and second sheets (40, 50) are located on the other side of both of these networks and comprise second and third cav- ities (41, 51) which are in line with the first cavities, these third cavities being short-circuited in a plane parallel to the surfaces of the sheets, and these sheets being made of a metal or of a dielectric material having metal-plated walls of the cavities, the antenna output being characterized in that the opposite single end (122, 132) of each of these two transmission line networks also form an exciting probe and is coupled to a waveguide (60) which is located on and pointing towards the rear of the antenna. This antenna array is intended to be used in systems for receiving orthogonally polarized high-fre- quency signals.
461147
N.v.philips'gloeilampenfabrieken
Van Steinburg C.e.
LandOfFree
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