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:
Aug. 20, 2002
Filed:
Apr. 09, 2001
Applicant:
Inventors:
Vladimir Stoiljkovic, Aylesbury, GB;
Peter Webster, Milton Keynes, GB;
Shanmuganthan Suganthan, North Harrow, GB;
Assignee:
Centurion Wireless Technologies, Inc., Lincoln, NE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 1/38 ;
U.S. Cl.
CPC ...
H01Q 1/38 ;
Abstract
A tunable PIFA antenna is disclosed for use with wireless communication devices. In three embodiments of the invention, a movable tuning member constructed of a high-dielectric constant material is selectively moved with respect to the feed and shorting pins of the antenna to vary the frequency response of the antenna. In the fourth embodiment, a slot is molded into the frame of the antenna. The size and position of the slot is varied by the molding tool to vary the frequency response of the antenna.