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. 21, 2017
Filed:
Mar. 11, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Atsushi Takasaki, Tokyo, JP;
Koji Yukimasa, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An antenna device comprises a cell structure including a plurality of cells made up of a multi-layer structure including a conductor layer and a dielectric layer, arranged in a matrix, and further comprises a first antenna element and a second antenna element arranged over the cell structure. The cells are configured to have artificial magnetic conductor effects corresponding to different frequency bands in a first direction and a second direction, and the first antenna element and the second antenna element are arranged parallel to the surface of the cell structure, respectively along the first direction and the second direction.