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:
Jun. 07, 2011
Filed:
Sep. 09, 2005
Applicants:
Christine Blair, Salisbury, MD (US);
Mostafa Mohamed Taher Abushaaban, Runcorn, AU;
Inventors:
Christine Blair, Salisbury, MD (US);
Mostafa Mohamed Taher AbuShaaban, Runcorn, AU;
Assignee:
Filtronic PLC, West Yorkshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 1/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multiband filtering apparatus () for use in a communications system, said apparatus including a housing (); a plurality of cavities () disposed within said housing wherein each cavity includes a resonant structure, the resonant structure having at least one ceramic element (); at least one input port () coupled to a first resonator of said plurality of resonators; at least one output port () coupled to a second resonator of said plurality of resonators; and a closure member () adapted to engage said housing () and cap said cavities.