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.:

US 6538535 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 25, 2003

Filed:

May. 29, 2001
Applicant:
Inventors:

Marco Guglielmi, Wassenaar, NL;

Pierre Jarry, Talence, FR;

Eric Kerherve, Mérignac, FR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 1/208 ; H01P 7/06 ;
U.S. Cl.
CPC ...
H01P 1/208 ; H01P 7/06 ;
Abstract

The invention provides a dual-mode microwave filter, comprising a rectangular resonator of length l, height b, and width a operating in two distinct modes (m, 0, n) and (p, 0, q) from a single family of modes and presenting the same direction as the E field, and wherein coupling and mode excitation discontinuities are inductive and in the same direction.


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