Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Katsuhisa Orihara0
Date of Patent
March 2, 2021
0Patent Application Number
157459070
Date Filed
June 28, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An antenna device having excellent communication characteristics even when no opening is provided in a conductor. An antenna device including: an antenna coil inductively coupled to an external device (reader/writer) and provided by winding around a conducting wire two dimensionally via an opening; and a conductor provided to be overlapped with the antenna coil at a surface of the antenna coil opposing to the external device, wherein the conductor includes a first slit formed from a region overlapped with the opening of the antenna coil to an end of the conductor, and a second slit connected to the first slit and formed in the region overlapped with the opening of the antenna coil.
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