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:
Apr. 07, 2015
Filed:
Dec. 02, 2010
Applicants:
Wenfei HU, Paignton, GB;
Jonathan Stuart Drake, Paignton, GB;
Inventors:
Wenfei Hu, Paignton, GB;
Jonathan Stuart Drake, Paignton, GB;
Assignee:
Oclaro Technology Limited, Northamptonshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/508 (2013.01); H04B 10/50 (2013.01); H03H 11/16 (2006.01);
U.S. Cl.
CPC ...
H04B 10/5051 (2013.01); H03H 11/16 (2013.01); H04B 10/508 (2013.01);
Abstract
According to a first aspect of the present invention there is provided an apparatus for performing power equalization and phase correction of two signals (). The apparatus comprises a first hybrid coupler () configured to operate as a power combiner, and a second hybrid coupler () configured to operate as a power divider, wherein the apparatus is configured to provide an output () of the first hybrid coupler as an input () to the second hybrid coupler.