Nova Patents
EP1547200A2

Frequency selective beam forming

Abstract

A directive antenna having plural antenna elements is arranged in a parasitic antenna array. Frequency selective components are connected to an active antenna element. Weighting structures are connected to passive antenna elements positioned substantially equidistant from the active antenna element. The active and passive antenna elements are connected by a space-fed power distribution system to produce independently steerable beams having spectrally separated signals.

Term

Term ended

Projected expiry passed 29 August 2023, 3.1 years ago.

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Every citation, both ways

Citations
DocumentRelationOfficeCited during
US7425928B2Cited byUnited States of AmericaApplicant
US7425928B2Cited byUnited States of AmericaApplicant
WO02101881A1CitesWorld Intellectual Property Organization (WIPO)Search report
EP0618641A2CitesEuropean Patent Office (EPO)Search report