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:
Nov. 16, 2004
Filed:
Jan. 15, 2003
Applicant:
Inventor:
Vladimir Volman, Newtown, PA (US);
Assignee:
Lockheed Martin Corporation, Bethesda, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/36 ;
U.S. Cl.
CPC ...
H01Q 1/36 ;
Abstract
A high gain dual port antenna and antenna array provide enhanced isolation between a receiver and a transmitter. The antenna includes a helical element connected to one port and a dipole element positioned within the helical element and connected to a second port. The helical element can have a uniform diameter or varying diameters, while the dipole element is preferably a Z-shape for accommodation within the helical element.