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. 11, 2006
Filed:
May. 30, 2003
Applicants:
Torben Baras, New Providence, NJ (US);
Norbert C Metz, Morris, NJ (US);
Inventors:
Torben Baras, New Providence, NJ (US);
Norbert C Metz, Morris, NJ (US);
Assignee:
Lucent Technologies Inc., Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03M 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A coupler includes a first set of ports coupled to a first ring, a second set of ports coupled to a second ring, and a plurality of connecting elements coupled between the first and second rings. The coupler provides low loss insertion and high port isolation and may be used as a standalone coupler or as an elementary device for building Butler matrices of varying configurations.