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:
Dec. 05, 2006
Filed:
Nov. 01, 2004
Louise C. Sengupta, Warwick, MD (US);
Steven C. Stowell, Columbia, MD (US);
Yongfei Zhu, Columbia, MD (US);
Somnath Sengupta, Warwick, MD (US);
Luna H. Chiu, Abingdon, MD (US);
Xubai Zhang, Columbia, MD (US);
Louise C. Sengupta, Warwick, MD (US);
Steven C. Stowell, Columbia, MD (US);
Yongfei Zhu, Columbia, MD (US);
Somnath Sengupta, Warwick, MD (US);
Luna H. Chiu, Abingdon, MD (US);
Xubai Zhang, Columbia, MD (US);
Paratek Microwave, Inc., Columbia, MD (US);
Abstract
This invention provides a voltage tunable filter comprising an input connection point, an output connection point, and at least one circuit branch electrically coupled to the input connection point and the output connection point and including a voltage tunable dielectric varactor electrically connected to an inductor. The voltage tunable filter can be one of a low-pass, high-pass, band-pass, or band-stop filter. The varactor can include built-in DC blocking capacitors.