Portable electronic apparatus having a housing for containing circuits board and functional components

摘要

A portable electronic apparatus comprising a box-shaped housing made of synthetic resin and a circuit unit incorporated in the housing. The circuit unit has a circuit board having circuit parts which generate noise while operating, a frame supporting the circuit board, and a shield formed of a metal plate and surrounding the circuit board and the frame. The frame is a molding made of synthetic resin or a cast product made of metal such as magnesium.