Patent ID: 9070970
Filing Date: 2015-06-30
Classification: H01Q

Abstract:
1. An antenna device comprising: an antenna coil, a flat conductor that is disposed near the antenna coil and a casing, the antenna coil including a flexible substrate on which a coil conductor is formed and a magnetic sheet provided in contact with or proximal to the flexible substrate, wherein the flexible substrate is provided on only one side of the magnetic sheet, wherein the coil conductor is spirally wound and has a conductor opening portion at the center of winding, wherein the antenna coil is disposed near an end portion of the casing, wherein the magnetic sheet is provided between the coil conductor and the flat conductor, and wherein the direction from a first conductor portion of the coil conductor that is closer to the center portion of the flat conductor to a second conductor portion of the coil conductor that is closer to an edge of the flat conductor bends toward the flat conductor.