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:
Aug. 08, 2023
Filed:
Sep. 21, 2018
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Stefan Johansson, Romelanda, SE;
Hawai Rashid, Kungälv, SE;
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm, SE;
Abstract
The present disclosure relates to a planar antenna structure () comprising at least one radiating aperture (), adapted for a certain working frequency band, and an electrically conducting surface structure () that is constituted by at least one surface part and is surrounding at least one radiating aperture () and having a certain extension (T). The planar antenna structure () comprises at least one continuous groove () that forms a slot in the surface structure (), where each groove () is defined by an at least virtual electric wall that is electrically connected to the surface structure () and forms a continuous electromagnetic wall in the surface structure () at the working frequency band. In this manner, that propagation of surface waves via the at least one groove () is reduced.