Patent ID: 9000619
Filing Date: 2015-04-07
Classification: G06K,H01P,H01Q,H04B,Y10T

Abstract:
1. An antenna apparatus comprising: a coil conductor including a coil aperture at a winding center of the coil conductor; a conductive layer including a conductor aperture and a slit connecting the conductor aperture and an outer edge of the conductive layer; and a radiation plate; wherein the coil conductor and the conductive layer are configured to be coupled to each other via an electromagnetic field; the conductive layer and the radiation plate are configured to be coupled to each other via an electromagnetic field or a magnetic field; the conductive layer is provided on an inner surface or an outer surface of a case of an electronic apparatus into which the antenna apparatus is incorporated; and at least a portion of the conductive layer overlaps the radiation plate in a plan view of the radiation plate.