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:
Jan. 31, 2017
Filed:
Jun. 04, 2012
David Robert Hendry, Brisbane, AU;
Steven John Cooper, Brisbane, AU;
Peter Blakeborough Kenington, Chepstow, GB;
David Robert Hendry, Brisbane, AU;
Steven John Cooper, Brisbane, AU;
Peter Blakeborough Kenington, Chepstow, GB;
Mesaplex Pty Ltd., Queensland, AU;
Abstract
A multi-mode cavity filter comprises: a dielectric resonator; a coupling structure for at least one of coupling input signals to the dielectric resonator and extracting filtered output signals from the dielectric resonator; a covering of conductive material around the dielectric resonator and comprising an aperture; and a printed circuit board structure having at least one ground plane layer arranged over said aperture and electrically coupled to the covering of conductive material.