Millimeter Wave Dielectric Waveguide Rotary Joint.
Patent, Filed 14 Aug 81, patented 25 Oct 83,
DEPARTMENT OF THE NAVY WASHINGTON DC
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A dielectric waveguide is used as a connecting medium in a rotary joint transmitting waveguide energy in the 3 mm region. The dielectric waveguide is fastened within a ball bearing race to provide relative motion between the gimballed and stationary waveguide structure. Launch horns are used to enhance transmission through said dielectric waveguide.
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