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:
Jul. 27, 2021
Filed:
Jun. 20, 2018
Applicant:
Rf360 Europe Gmbh, Munich, DE;
Inventors:
Chandra Sekhar Reddy Kaipa, San Diego, CA (US);
Ravi Kiran Challa, San Diego, CA (US);
Chee Wee Sim, San Diego, CA (US);
Assignee:
RF360 Europe Gmbh, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/00 (2006.01); H04B 1/18 (2006.01); H04B 1/40 (2015.01); H04L 5/00 (2006.01);
U.S. Cl.
CPC ...
H04B 1/0057 (2013.01); H04B 1/18 (2013.01); H04B 1/40 (2013.01); H04L 5/001 (2013.01);
Abstract
A quadplexer providing improved insertion loss and pass band steepness is provided. The quadplexer comprises a first filter structure with a first filter element, a second filter structure with a second filter element and an inductive element that is electrically connected in series between common ports of the filter structures and input ports of the filter elements.