The invention provides an electronic device that is environment-friendly and capable of achieving satisfactory noise prevention effect at low cost, and a housing implementing such electronic device. The housing has an electronic circuit disposed therein, and includes a component exposure section in which part of a conductive component disposed in the housing is exposed outward, a plate section made of a conductive material having a predetermined thickness, and spreading at a distance from the component exposure section, and a bridge section with the overall thickness thereof larger than the thickness of the plate section, extending along the component exposure section and electrically connecting the plate section and the conductive component.