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:
Mar. 05, 2024
Filed:
Apr. 08, 2022
Canon Medical Systems Corporation, Otawara, JP;
Takafumi Ohishi, Yokohama, JP;
Sadanori Tomiha, Nasushiobara, JP;
Canon Medical Systems Corporation, Otawara, JP;
Abstract
According to one embodiment, an arrayed structure includes a cylindrical-shaped conductor layer and a cylindrical-shaped layer stack. The cylindrical-shaped layer stack is arranged on an inner periphery of the conductor layer and a plurality of frequency selective surfaces are arranged in layers and stacked. Each of the frequency selective surfaces has a plurality of elements which are periodically arranged. Each element of the plurality of elements is formed in such a manner that at least a portion of an edge of a first element that faces an adjacent element in the same layer is closer to a center of the first element than another portion of edge.