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. 19, 2026
Filed:
Sep. 20, 2024
Tdk Corporation, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
Disclosed herein is an antenna device that includes: a metal plate having a first slit extending in a long side direction thereof and a second slit extending in a short side direction thereof; a first coil disposed so as to overlap with the metal plate in a plan view and circling along an outer edge of the metal plate; and a second coil electrically connected to the first coil, disposed so as to be surrounded by the first coil, and disposed so as to overlap with the first slit. The first slit has a first end that is open to divide the outer edge and a second end terminating without reaching the outer edge. The second slit has a third end that is open to divide the outer edge and a fourth end terminating without reaching the outer edge.