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:
Oct. 16, 2001
Filed:
Nov. 18, 1994
Applicant:
Inventors:
Stefan Grote, Slaters Ville, RI (US);
Bernd Seidel, Ahrensburg, DE;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 2/504 ;
U.S. Cl.
CPC ...
H01J 2/504 ;
Abstract
An electron beam tube (,) having an input resonator cavity (,) through which a high-frequency control voltage is applied between cathode (,) and grid (,) of the tube (,), while an annular electrode (,) connected in an electrically conducting manner to the grid (,) of the tube is arranged opposite a metal wall (,) of the input resonator cavity (,) and is connected to a DC power supply lead (,). Interference oscillations are suppressed in that a high-frequency damping material (,) is associated with the DC power supply lead (,) on a part of the length located proximate to the annular electrode.