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. 04, 2000
Filed:
Sep. 15, 1998
Applicant:
Inventors:
Paul J Tatomir, Laguna Niguel, CA (US);
Keith N Loi, Rosemead, CA (US);
Louis W Hendrick, Hermosa Beach, CA (US);
Assignee:
Hughes Electronics Corporation, El Segundo, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01P / ;
U.S. Cl.
CPC ...
333208 ; 333209 ; 333212 ;
Abstract
A microwave filter has first and second subfilters. Each subfilter has at least one single mode resonator and a preset electrical response. The second subfilter is cascaded to the first subfilter by coupling one of the at least one single mode resonator of the first subfilter to one of the at least one single mode resonator of the second subfilter. The microwave filter has an overall transfer function dependent upon the selection of the first and second subfilters from a plurality of subfilters having different preset electrical responses.