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:
Feb. 17, 2004
Filed:
Apr. 01, 2002
Ilkka Pankinaho, Paimio, FI;
Juha-Pekka Louhos, Salo, FI;
Nokia Corporation, Espoo, FI;
Abstract
An antenna arrangement for mobile telecommunication devices comprises a planar radiating element ( ), a ground plane ( ) parallel to the planar radiating element ( ) and means ( ) for providing a grounding connection between the planar radiating element ( ) and the ground plane ( ). The means for providing a grounding connection between the planar radiating element ( ) and the ground plane ( ) comprise a number of Grounding connections ( ). A number of them is independently controllable between certain states. The state of each independently controllable grounding connection ( ) has an effect on certain operational frequency bands of the antenna arrangement.