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:
Jan. 29, 2002
Filed:
Mar. 31, 2000
Applicant:
Inventor:
H. Clark Bell, Chatsworth, CA (US);
Assignee:
Navcom Technology, Inc., Redondo Beach, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 2/126 ;
U.S. Cl.
CPC ...
H01Q 2/126 ;
Abstract
A circularly polarized multifrequency antenna is described. The antenna includes a reflector having a first side and a second side, a first crossed dipole pair having a first resonant frequency and a second crossed dipole pair having a second resonant frequency. The first and second dipole pair are symmetrically disposed on the first side of the reflector and configured to be fed with equal power in a relative phase rotation of 0°, 90°, 180° and 270°.