H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
351/20, 343/67
H01Q 1/00 (2006.01) H01Q 3/44 (2006.01) H01Q 13/24 (2006.01)
Patent
CA 1275324
ABSTRACT OF THE DISCLOSURE A phase scan antenna suitable for millimeter wave radar applications is provided comprising a four-sided ferrite rod having a series of electromagnetic energy emitting slots along one side of the rod. The remaining three rod side are enclosed by a metal, channel-shaped member which is spaced from the rod by a plastic, channel-shaped substrate member, so that energy emitted from the rod side which is opposite from the slotted rod side will be reflected to pass out the slotted rod side, to thereby enhance the antenna beam produced by the slotted rod side. A magnetic biasing coil having serially-interconnected coil portions is helically wound about the metal channel-shaped member with the coil portions disposed between the slots in the first rod side to cause scanning of the antenna beam. The ferrite rod may be end fed by either dielectric waveguide sections or hollow, metallic waveguide sections.
538771
Babbitt Richard W.
Borowick John J.
Stern Richard A.
Aspila Kalevi P.
Babbitt Richard W.
Borowick John J.
Government Of The United States As Represented By The Secretary
Stern Richard A.
LandOfFree
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