US Patent 7997796 Arrangement for intra-oral X-ray imaging

This invention relates to x-ray imaging, especially to an imaging arrangement used in intra-oral x-ray imaging, to a wireless imaging sensor and to a base station for the sensor as well as methods for using the sensor and transmitting the information to the sensor and from the sensor wirelessly, in which invention such a wireless power transmission link is used, which is arranged to be used for supplying at least part of the energy needed by the sensor in connection with the imaging process.