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:
May. 09, 2006
Filed:
Apr. 30, 2004
Applicants:
Khosro Shamsaifar, Ellicott City, MD (US);
Vladimir Keis, St. Petersburg, RU;
Andrey Kozyrev, St. Petersburg, RU;
Inventors:
Khosro Shamsaifar, Ellicott City, MD (US);
Vladimir Keis, St. Petersburg, RU;
Andrey Kozyrev, St. Petersburg, RU;
Assignee:
Paratek Microwave, Inc., Columbia, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 1/207 (2006.01);
U.S. Cl.
CPC ...
Abstract
A tunable filter which may include at least one resonator. The at least one resonator may comprise a ring resonator made on a dielectric substrate placed in a waveguide, wherein the waveguide may contain a cut-off portion which houses and shields at least one resonator containing at least one tunable capacitor therein. A DC Bias circuit may be connected to the at least one resonator and may be capable of providing DC bias to the at least one tunable capacitor.