Wave transmission lines and networks – Long line elements and components – Connectors and interconnections
Patent
1982-08-03
1985-05-07
Lieberman, Eli
Wave transmission lines and networks
Long line elements and components
Connectors and interconnections
343700MS, 343763, H01P 106, H01Q 138
Patent
active
045160970
ABSTRACT:
First and second annular r.f. radiating structures are mounted for concentric relative rotational motion with their r.f. radiation patterns directed toward one another. The annular r.f. radiating structures may be realized, for example, by cylindrically conformed microstrip antenna radiators which define tuned resonant cavities feeding one or more radiation apertures defined between an edge of a microstrip radiator "patch" and an underlying electrical reference or ground surface. The microstrip radiator "patch" may be either continuous in its circumferential dimensions or it may have occasional circumferential discontinuities formed by axially directed gaps therein. If the total circumferential dimension is greater than one wavelength at the intended operating frequency, then a corporate structured feedline provides plural spaced-apart feedpoints about the circumference so as to achieve a substantially uniform distribution of r.f. field amplitudes and phases about the circumference.
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Haddad Hussain A.
Munson Robert E.
Alberding Gilbert E.
Ball Corporation
Lieberman Eli
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