US 7,345,632 B2
	Multibeam planar antenna structure and method of fabrication
Martin Smith, Chelmsford (United Kingdom); Andrew Urquhart, Bishops Stortford (United Kingdom); and Ian Abraham, Bishops Stortford (United Kingdom)
Assigned to Nortel Networks Limited, St. Laurent, Quebec (Canada)
Filed on Oct. 10, 2003, as Appl. No. 10/683,301.
Claims priority of provisional application 60/447527, filed on Feb. 14, 2003.
Claims priority of provisional application 60/446617, filed on Feb. 12, 2003.
Claims priority of provisional application 60/446618, filed on Feb. 12, 2003.
Claims priority of provisional application 60/446619, filed on Feb. 12, 2003.
Claims priority of provisional application 60/447643, filed on Feb. 14, 2003.
Claims priority of provisional application 60/447644, filed on Feb. 14, 2003.
Claims priority of provisional application 60/447645, filed on Feb. 14, 2003.
Claims priority of provisional application 60/447646, filed on Feb. 14, 2003.
Claims priority of provisional application 60/451897, filed on Mar. 04, 2003.
Claims priority of provisional application 60/453011, filed on Mar. 07, 2003.
Claims priority of provisional application 60/453840, filed on Mar. 11, 2003.
Claims priority of provisional application 60/454715, filed on Mar. 15, 2003.
Claims priority of provisional application 60/461344, filed on Apr. 09, 2003.
Claims priority of provisional application 60/461579, filed on Apr. 09, 2003.
Claims priority of provisional application 60/464844, filed on Apr. 23, 2003.
Claims priority of provisional application 60/467432, filed on May 02, 2003.
Claims priority of provisional application 60/468456, filed on May 07, 2003.
Claims priority of provisional application 60/480599, filed on Jun. 20, 2003.
Prior Publication US 2004/0155819 A1, Aug. 12, 2004
Int. Cl. H01Q 1/38 (2006.01); H01Q 21/20 (2006.01)

U.S. Cl. 343—700MS  [343/853; 342/374]

40 Claims

1. A multiple beam antenna, comprising: a flexible substrate having a conductive layer; a plurality of directional antennas formed in the conductive layer; and a plurality of electrical connections formed in the conductive layer connecting each of said plurality of directional antennas to at least one predetermined area of said substrate, wherein said flexible substrate is shaped so that said plurality of directional antennas point in prescribed directions and so that at least some directional antennas of said plurality of directional antennas are not coplanar, and each of said plurality of directional antennas comprising a plurality of antenna elements arranged to provide dual-polarisation beams, and said beam antenna further comprising a switch circuitry coupled in parallel to said electrical connections in the predetermined area of said substrate for selecting the dual-polarisation beams.