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:
Oct. 23, 2018
Filed:
Feb. 11, 2013
Applicant:
Telefonaktiebolaget L M Ericsson (Publ), Stockholm, SE;
Inventors:
Georgy Levin, Ottawa, CA;
James H. K. Sanderson, Ottawa, CA;
Assignee:
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 29/10 (2006.01); H04W 24/06 (2009.01); H04W 24/00 (2009.01); H04W 24/02 (2009.01); H04W 24/04 (2009.01); H04B 1/38 (2015.01); H04W 24/08 (2009.01); H01Q 3/26 (2006.01); H04B 17/10 (2015.01);
U.S. Cl.
CPC ...
G01R 29/10 (2013.01); H01Q 3/267 (2013.01); H04B 1/38 (2013.01); H04B 17/103 (2015.01); H04W 24/00 (2013.01); H04W 24/02 (2013.01); H04W 24/04 (2013.01); H04W 24/06 (2013.01); H04W 24/08 (2013.01);
Abstract
Methods and apparatus are disclosed for manufacturing antennas with a unique signature and for identifying an antenna using its unique signature. An exemplary antenna comprises a radiating element and a ground element, between which a resistor-inductor-capacitor (RLC) circuit is connected. The RLC circuit is designed to generate a return-loss profile that serves as a unique antenna signature. The return-loss profile of the RLC circuit exhibits a resonance frequency outside the antenna's working bandwidth.