Antenna device, antenna system, and instrumentation system
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United States of America Patent
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Sep 13, 2022
Grant Date -
Oct 22, 2020
app pub date -
Jul 17, 2018
filing date -
Nov 24, 2017
priority date (Note) -
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Abstract
An object of the present invention is to suppress occurrence of disturbance in pass amplitude characteristics within a band and disturbance in return loss characteristics in the band due to total reflection, improve cutoff performance, and acquire a favorable gain. An antenna device 1 includes a waveguide body 5 including a coaxial waveguide conversion unit 6 that includes an inner space 8 and a connector attachment hole 22, and a closure member 30. The antenna device 1 also includes a connector 50 including a connector body 51, a center conductor 60, and a radiator 54 b configured by an end portion 60 a of the center conductor that adapts the protruding length of the end portion to a specific frequency band.
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