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:
Jan. 14, 2020
Filed:
Jul. 24, 2018
Applicant:
Thales, Courbevoie, FR;
Inventor:
Alain Durand, La Garenne Colombes, FR;
Assignee:
THALES, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 23/24 (2006.01); H01P 11/00 (2006.01); H01J 23/16 (2006.01); H01P 3/123 (2006.01);
U.S. Cl.
CPC ...
H01J 23/24 (2013.01); H01J 23/165 (2013.01); H01P 3/123 (2013.01); H01P 11/002 (2013.01);
Abstract
A slow waveguide for travelling wave tube includes a central plate comprising a beam slip hole, rectilinear in the same direction as the longitudinal axis of the central plate, a bottom plate and a top plate closing the waveguide, respectively arranged on and under the central plate, and a slit folded in the form of a snake having its folds in the direction of the thickness of the guide.