The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 20, 2007
Filed:
Jul. 11, 2003
Keith D. Trott, Shrewsbury, MA (US);
Joseph P. Biondi, Townsend, MA (US);
Ronni J. Cavener, Andover, MA (US);
Robert V. Cummings, Marlborough, MA (US);
James M. Mcguinnis, Salem, NH (US);
Thomas V. Sikina, Acton, MA (US);
Erdem A. Yurteri, Lawrence, MA (US);
Fernando Beltran, Mashpee, MA (US);
Keith D. Trott, Shrewsbury, MA (US);
Joseph P. Biondi, Townsend, MA (US);
Ronni J. Cavener, Andover, MA (US);
Robert V. Cummings, Marlborough, MA (US);
James M. McGuinnis, Salem, NH (US);
Thomas V. Sikina, Acton, MA (US);
Erdem A. Yurteri, Lawrence, MA (US);
Fernando Beltran, Mashpee, MA (US);
Raytheon Company, Waltham, MA (US);
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.