Electrical transmission or interconnection systems – Miscellaneous systems – Conversion systems
Patent
1976-10-06
1978-03-14
Lieberman, Eli
Electrical transmission or interconnection systems
Miscellaneous systems
Conversion systems
361395, 343700MS, H01Q 138, H02M 100
Patent
active
040792684
ABSTRACT:
A structure of a circularly polarized, thin conformal, antenna array which may be mounted integrally with the skin of an aircraft employs microstrip elliptical elements and interconnecting feed lines spaced from a circuit ground plane by a thin dielectric layer. The feed lines are impedance matched to the elliptical antenna elements by selecting a proper feedpoint inside the periphery of the elliptical antenna elements. Diodes connected between the feed lines and the ground plane rectify the microwave power, and microstrip filters (low pass) connected in series with the feed lines provide DC current to a microstrip bus. Low impedance matching strips are included between the elliptical elements and the rectifying and filtering elements.
REFERENCES:
patent: 3778717 (1973-12-01), Okoshi et al.
patent: 3887925 (1975-06-01), Ranghelli et al.
patent: 3947850 (1976-03-01), Kaloi
patent: 3987455 (1976-10-01), Olyphant
Dickinson Richard M.
Fletcher James C. Administrator of the National Aeronautics and Space
Lieberman Eli
Manning John R.
McCaul Paul F.
Mott Monte F.
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