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:
Jan. 03, 2017

Filed:

Sep. 27, 2013
Applicant:

Blackberry Limited, Waterloo, CA;

Inventors:

Shirook M. Ali, Milton, CA;

Dong Wang, Waterloo, CA;

Assignee:

BLACKBERRY LIMITED, Waterloo, Ontario, CA;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 5/00 (2015.01); H01Q 5/314 (2015.01); H01Q 1/24 (2006.01); H01Q 5/392 (2015.01);
U.S. Cl.
CPC ...
H01Q 5/314 (2015.01); H01Q 1/243 (2013.01); H01Q 5/392 (2015.01);
Abstract

A broadband capacitively-loaded tunable antenna, and device there for is provided. The device comprises: an antenna feed; a first radiating arm connected to the antenna feed; a second radiating arm capacitively coupled to the first radiating arm; an adjustable reactance device connecting the second radiating arm to one or more of a ground and a third radiating arm; and, a processor in communication with the adjustable reactance device, the processor configured to adjust a reactance of the adjustable reactance device to tune a resonance frequency of a combination of the second radiating arm, the adjustable reactance device, and, when present, the third radiating arm.


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