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.

Date of Patent:
Feb. 07, 2017

Filed:

Sep. 11, 2014
Applicant:

Blackberry Limited, Waterloo, CA;

Inventors:

Keith Manssen, Crystal Lake, IL (US);

Matthew Greene, Waterloo, CA;

Wayne Smith, Crystal Lake, IL (US);

David Schlueter, Lake Villa, IL (US);

John Spears, Johnsburg, IL (US);

Assignee:

BLACKBERRY LIMITED, Waterloo, CA;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03H 7/38 (2006.01); H04B 1/401 (2015.01); H03H 7/40 (2006.01); H04B 1/04 (2006.01); H04B 1/10 (2006.01); H04B 1/12 (2006.01); H04B 1/40 (2015.01); H04B 15/00 (2006.01); H04W 24/02 (2009.01); H03H 11/30 (2006.01);
U.S. Cl.
CPC ...
H04B 1/401 (2013.01); H03H 7/38 (2013.01); H03H 7/40 (2013.01); H04B 1/0475 (2013.01); H04B 1/109 (2013.01); H04B 1/1027 (2013.01); H04B 1/12 (2013.01); H04B 1/40 (2013.01); H04B 15/00 (2013.01); H04W 24/02 (2013.01); H03H 11/30 (2013.01);
Abstract

A system that incorporates teachings of the present disclosure may include, for example, a matching network including a tunable reactance circuit configured to be coupled to at least one of a transmitter portion and a receiver portion of a communication device, where the tunable reactance circuit is adjustable to a plurality of tuning states, and where the determination of a tuning state is based on whether detected signal measurements are determined to be invalid and is based on information from at least one of an open-loop or closed-loop feedback configuration of the tunable reactance circuit. Additional embodiments are disclosed.


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