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. 25, 1986
Filed:
May. 30, 1985
Applicant:
Inventors:
Jean-Claude Cruchon, Bouffemont, FR;
Jean-Denis Schubert, Verneuil sur Seine, FR;
Assignee:
Alcatel Thomson Faisceaux Hertziens, Levallois Perret, FR;
Primary Examiner:
Int. Cl.
CPC ...
H01P / ; H01P / ; H01P / ; H01P / ;
U.S. Cl.
CPC ...
333211 ; 333 34 ; 333248 ; 333251 ;
Abstract
Filter comprising a rectangular waveguide extended at both ends by rectangular guide-to-rectangular guide couplers and provided with lateral secondary guides. In order to enable the use of cylindrical secondary guides without introducing unwanted resonances, said couplers are given, at their ends, rectangular internal cross sections both the height and width whereof are smaller at the end coupled to the primary guide than at the end remote from the primary guide.