Patent ID: 9106107
Filing Date: 2015-08-11
Classification: H02J

Abstract:
1. A contactless power transmission device which transmits electric power in a contactless way, comprising: a power transmission section which transmits electric power using a primary coil; a power receiving section which is provided in a radio communication device and receives electric power using a secondary coil that is electromagnetically coupled with the primary coil; a housing which shields an electromagnetic wave, in which the power transmission section is provided, and which forms a closed space where the radio communication device is housed; and a housing antenna section which is provided in the housing and transmits a first communication signal to the outside of the housing, or transmits a second communication signal to the inside of the housing, the first communication signal being emitted from the radio communication device housed inside the housing, the second communication signal being emitted from the radio communication device housed outside the housing, wherein the housing includes a box body which is fixed inside a vehicle body and a lid which is fixed to the box body so as to open and close, the housing antenna section includes an internal antenna section which is provided on an inside surface of the lid and an external antenna section which is connected to the internal antenna section and provided outside the housing, and the power transmission section is fixed to the box body.