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. 06, 1995
Filed:
Dec. 15, 1992
Applicant:
Inventors:
Daniel Caer, Limours, FR;
Jean Le Foll, Montlhery, FR;
Assignee:
Thomson-CSF, Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q / ;
U.S. Cl.
CPC ...
343771 ;
Abstract
In a waveguide (1) having slots (2, 3) perpendicular to the axis of the waveguide, cut out in a narrow wall of the waveguide, there are positioned, on each side of each slot, pairs of metal flat plates (21, 22; 31, 32) symmetrical with respect to the central axis of the slot. These flat plates modify the electrical field at the associated slot and make it possible to excite it, the value of the coupling being set by the adjusting of the size of the flat plates and of their position with respect to the corresponding radiating slot.