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. 06, 2015
Filed:
Dec. 21, 2011
Applicant:
Oleksandr Gorbachov, Irvine, CA (US);
Inventor:
Oleksandr Gorbachov, Irvine, CA (US);
Assignee:
RFaxis, Inc., Irvine, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 5/18 (2006.01); H03H 7/38 (2006.01);
U.S. Cl.
CPC ...
H01P 5/185 (2013.01);
Abstract
A directional coupler with increased directivity is disclosed. There is an input port, an output port, a coupled port, and a ballasting port. A first transmission element has a first connection to the input port and a second connection to the output port, and a second transmission element has a first connection to the coupled port and a second connection to the ballasting port. A first compensation capacitor is connected to the input port and the coupled port, and a second compensation capacitor is connected to the input port and the ballasting port.