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.:

US 8115392 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 14, 2012

Filed:

May. 31, 2007
Applicants:

Magnus Karlsson, Karlskoga, SE;

Fredrik Olsson, Örebro, SE;

Inventors:

Magnus Karlsson, Karlskoga, SE;

Fredrik Olsson, Örebro, SE;

Assignee:

Bae Systems Bofors AB, Karlskoga, SE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 25/12 (2006.01); H01J 23/05 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention relates to a device for generation of microwaves comprising a coaxial virtual cathode oscillator () with an outer cylindrical tube forming a cathode () and connected to a transmission line () for feeding the cathode () with voltage pulses, and an inner cylindrical tube, at least partially transparent for electrons, forming an anode () and connected to a transmission device () for outputting microwave radiation generated by the formation of a virtual cathode () inside an area enclosed by the anode. Through the introduction of a centre conductor () arranged to coincide with the centre axle () for the cathode's () outer cylindrical tube and in electrical connection with the tube a device for generation of microwaves is obtained having improved energy efficiency and better broadband performance.


Find Patent Forward Citations

Karlsson, Magnus. (2012). Device for generation of microwaves (U.S. Patent No. 8115392). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8115392

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