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:
Sep. 29, 2015
Filed:
Dec. 30, 2004
Sven Petersson, Savedalen, SE;
Martin Johansson, Molndal, SE;
Ulrika Engström, Floda, SE;
Telefonaktiebolaget L M Ericsson (publ), Stockholm, SE;
Abstract
The invention discloses an antenna device () for a radio base station in a cellular telephony system, which comprises a first and a second input connection for a first (D) and a second (D) data stream, and a first () and a second () polarization former, one for each of said data streams. The device also comprises a first () and a second () antenna of respective first and second polarizations, and one amplifier each. The device also comprises a first () and a second () combiner, so that the outputs from the polarization formers may be combined as input to each of the first and second antennas.