Communications: radio wave antennas – Antennas – Wave guide type
Reexamination Certificate
2005-03-22
2005-03-22
Phan, Tho (Department: 2821)
Communications: radio wave antennas
Antennas
Wave guide type
C343S757000, C343S762000, C343S763000, C343S7810CA
Reexamination Certificate
active
06870512
ABSTRACT:
For the purpose of obtaining a mechanical drive reflecting mirror antenna device which is downsized and low in attitude, enables wide-angle scanning, and is high in performance, there are provided a main reflection mirror1, a sub-reflection mirror2, a primary radiator3, a first circular waveguide4which is connected to the primary radiator and has a plurality of bend portions, a first circular waveguide rotary joint5which is connected to the first circular waveguide, a second circular waveguide7which is connected to the first circular waveguide rotary joint and has a plurality of bend portions, and a second circular waveguide rotary joint8which is connected to the second circular waveguide and is different in a direction of a rotary axis from the first circular waveguide rotary joint by substantially 90 degrees.
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Inasawa Yoshio
Konishi Yoshihiko
Makino Shigeru
Miyazaki Moriyasu
Naitoh Izuru
Mitsubishi Denki & Kabushiki Kaisha
Phan Tho
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