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. 15, 2012
Filed:
Jul. 30, 2008
Jae OK Seo, Bucheon, KR;
Suk Woo Lee, Bucheon, KR;
Dong Wan Chun, Incheon, KR;
Jin Yang Kim, Incheon, KR;
Kwang Sun Park, Incheon, KR;
Jae Ok Seo, Bucheon, KR;
Suk Woo Lee, Bucheon, KR;
Dong Wan Chun, Incheon, KR;
Jin Yang Kim, Incheon, KR;
Kwang Sun Park, Incheon, KR;
Ace Technologies Corporation, Incheon, KR;
Abstract
A frequency tunable filter comprises a housing having a plurality of walls therein defining a plurality of cavities; a cover mounted on the housing; a plurality of resonators contained in the cavities; at least one sliding member located between the cover and the resonators; and a plurality of metal tuning elements attached to a lower part of the sliding member, wherein frequency tuning is performed by sliding of the sliding member.