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:
Mar. 08, 2005
Filed:
Jan. 30, 2002
Yongfei Zhu, Columbia, MD (US);
Louise C. Sengupta, Ellicott City, MD (US);
Andrey Kozyrev, St. Petersburg, RU;
Xubai Zhang, Columbia, MD (US);
Yongfei Zhu, Columbia, MD (US);
Louise C. Sengupta, Ellicott City, MD (US);
Andrey Kozyrev, St. Petersburg, RU;
Xubai Zhang, Columbia, MD (US);
Paratek Microwave, Inc., Columbia, MD (US);
Abstract
A phased array antenna includes a plurality of radiating elements, a feed line assembly, a ground plane positioned between the plurality of radiating elements and the feed line assembly, with the ground plane having a plurality of openings positioned between the plurality of radiating elements and the feed line assembly, and a plurality of voltage tunable dielectric phase shifters coupled to the feed line assembly.