H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
351/29, 343/67
H01Q 13/22 (2006.01) H01Q 21/00 (2006.01)
Patent
CA 1270550
ABSTRACT OF THE DISCLOSURE A waveguide element for an electrically controlled radar antenna comprises a non-resonant waveguide fed from a feed opening. The feed opening divides the waveguide longitudinally into a first and a second part, each provided at its outer end with absorbent terminations slots are formed in the waveguide, and their central points in the longitudinal direction have in the first part a mutual spacing which is less than half the wave- length (??), while their central points in the longitudinal direction in the second half have a mutual spacing which is greater than half the wavelength.
521639
Marks & Clerk
Telefonaktiebolaget Lm Ericsson
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