Erdem A Yurteri

US Patent:

20050007286, Jan 13, 2005

Filed:

Jul 11, 2003

Appl. No.:

10/617620

Inventors:

Keith Trott - Shrewsbury MA, US
Joseph Biondi - Townsend MA, US
Ronni Cavener - Andover MA, US
Robert Cummings - Marlborough MA, US
James McGuinnis - Salem NH, US
Thomas Sikina - Acton MA, US
Erdem Yurteri - Lawrence MA, US
Fernando Beltran - Mashpee MA, US

International Classification:

H01Q013/10

US Classification:

343770000

Abstract:

A radiator element includes a pair of substrates each having a transition section and a feed surface, each of the substrates is spaced apart from one another. The radiator element further includes a balanced symmetrical feed having a pair of radio frequency (RF) feed lines disposed adjacent to and electromagnetically coupled to the feed surface of one of a corresponding one of the pair of transition sections, and the pair of radio frequency feed lines forms a signal null point adjacent the transition sections.