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:
Feb. 27, 2018
Filed:
Jan. 07, 2016
Electronics and Telecommunications Research Institute, Daejeon, KR;
Changsoo Kwak, Daejeon, KR;
Man Seok Uhm, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
A resonator filter according to a first exemplary embodiment of the present invention includes: a cover formed with a first coupling hole; a housing connected to the cover to form an inner space and having a second coupling hole formed at a bottom of the inner space; a dielectric material mounted around the second coupling hole in the bottom of the inner space of the housing; a first rod inserted to the first coupling hole to be connected to the cover and pressing the dielectric material; and a second rod inserted to the second coupling hole to be connected to the housing to be close to the dielectric material and tuning a resonance frequency by controlling a separation distance from the first rod.