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:
Jan. 10, 2006
Filed:
Sep. 15, 2003
Jyrki Mikkola, Kempele, FI;
Petteri Annamaa, Oulunsalo, FI;
Jyrki Mikkola, Kempele, FI;
Petteri Annamaa, Oulunsalo, FI;
Filtronic LK Oy, Kempele, FI;
Abstract
An internal planar antenna for small radio apparatuses. The ground plane () of the planar antenna is shaped such that it improves the matching of the antenna. The shaping may be done by means of one or more slots () in the ground plane. The slot suitably changes the electrical length of the ground plane as viewed from the short-circuit point (S) so that the ground plane will function as a radiator in an operating band of the antenna. Also the slot () in the ground plane can be arranged to function as an additional radiator in an operating band of the antenna. Antenna gain will increase as the matching is improved, and the upper band of a dual band antenna, for example, can be made broader.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile