Communications: radio wave antennas – Antennas – Slot type
Patent
1994-10-07
1996-05-21
Hajec, Donald T.
Communications: radio wave antennas
Antennas
Slot type
343757, 343763, H01Q 1310
Patent
active
055194095
ABSTRACT:
This plane array antenna for receiving satellite broadcasts is an optimal combination of the plane array antenna main body having a tilt angle, a converter connected with the antenna main body through the power supply portion, and the rotation mechanism for rotating the antenna main body within almost a horizontal plane for tracking the azimuthal angle direction. The plane array antenna main body has the power supply portion formed at the center of the rotation and the converter includes a dielectric substrate having a microstrip channel formed on the substrate and a casing accommodating the substrate. The converter is fixed downwardly of the antenna main body and supports the antenna main body. The power supply portion includes the power supply probe with an insulation covering, and has its front end portion inserted into a space formed with the antenna body, a central portion extending through the casing of the converter, and the lowest end portion combined with the microstrip channel. The rotation mechanism includes a cylindrical body projecting downwardly from the bottom surface of the antenna main body at the outside of the converter and a driving mechanism for rotating the cylindrical body.
REFERENCES:
patent: 2564703 (1951-08-01), Litchford et al.
patent: 3022506 (1962-02-01), Goebels et al.
patent: 3604009 (1971-09-01), Behnke
patent: 3795914 (1974-03-01), Pickles
patent: 4040058 (1977-08-01), Mori et al.
patent: 4864314 (1989-09-01), Bond
patent: 5210542 (1993-05-01), Pett et al.
Single-Layer Slotted Leaky Waveguide Array For Mobile DBS Reception, Hirokawa et al., Technical Report of IEICE, A.P. 93-25, pp. 11-17, May 1993.
Kaise Atsushi
Ojima Takashi
Takahashi Nobuharu
Uematsu Masahiro
Hajec Donald T.
Nippon Steel Corporation
Phan Tho
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