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:
Apr. 22, 2014
Filed:
May. 25, 2011
Wei-hong Hsu, Keelung, TW;
Chien-chih Lee, Keelung, TW;
Jhih-wei Wang, Keelung, TW;
Wei-chin Hsu, Keelung, TW;
Wei-Hong Hsu, Keelung, TW;
Chien-Chih Lee, Keelung, TW;
Jhih-Wei Wang, Keelung, TW;
Wei-Chin Hsu, Keelung, TW;
Universal Microwave Technology, Inc., Keelung, TW;
Abstract
A cavity filter having two series of resonance chambers bilaterally connected between an antenna port and two opposing signal input/output ports, each series of resonance chambers having the last resonance chamber thereof connected to the antenna port and the first resonance chamber thereof connected between the respective signal input/output port and the associating last resonance chamber to perform cross-coupling feedback, improving the quality of the signal received by the signal receiver using the cavity filter and enhancing signal transmission performance.