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:
Mar. 23, 1999
Filed:
May. 20, 1997
Applicant:
Inventors:
Marco Guglielmi, Wassenaar, NL;
Benito Gimeno, Valencia, ES;
Assignee:
Agence Spatiale Europeenne, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P / ;
U.S. Cl.
CPC ...
333208 ; 333212 ;
Abstract
The invention relates to a circular waveguide dual-mode filter comprising at least one element for adjusting a filter parameter. Said element is an elliptical waveguide portion disposed perpendicularly to the longitudinal axis of said circular waveguide. The filter may be coupled to an inlet circular waveguide and to an outlet circular waveguide.