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:
May. 29, 2001
Filed:
Aug. 26, 1999
Göran Snygg, Partille, SE;
Telefonaltiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
An antenna arrangement for multi frequency band operation makes it possible to reduce the number of antennae on a base station antenna mast. The antenna includes a first radiator element for operation in a first frequency band and a second radiator element for operation in a second frequency band. The second element is arranged in a different plane from said first element. The first element is placed so that it symmetrically overlaps the second element. A conductive ground plane is provided with a device for feeding energy to the radiator elements, and the radiator elements are arranged for providing dual polarization. An array antenna includes groups of high and low frequency elements.