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:
Nov. 29, 2005
Filed:
Jun. 15, 2004
Stanislav Maslovski, St. Petersburg, RU;
Pekka Ikonen, Espoo, FI;
Vasil Denchev, Espoo, FI;
Sergei Tretyakov, Espoo, FI;
Igor Kolmakov, St. Petersburg, RU;
Stanislav Maslovski, St. Petersburg, RU;
Pekka Ikonen, Espoo, FI;
Vasil Denchev, Espoo, FI;
Sergei Tretyakov, Espoo, FI;
Igor Kolmakov, St. Petersburg, RU;
Nokia Corporation, Espoo, FI;
Abstract
In an RF antenna having a planar radiating element disposed adjacent to a ground plane, one or more metasolenoids are disposed between the radiating element and the ground plane. As such, the magnetic flux through the metasolenoids interacts with the radiating element and the ground plane, widening the bandwidth of the antenna. Each of the metasolenoid comprises a stack of split-ring resonators co-axially aligned. The gap in each split-ring resonator is oriented differently from the gap in the adjacent split-ring resonator. The use of metasolenoids disposed between the radiating element and the ground plane does not increase the volume of the radiating element.