Patent ID: 8189098

Claim:
A digital camera comprising: a lens unit, a solid state image pick-up device, an integrated circuit, and a camera housing, wherein the camera housing is made to have a double housing construction by an outer housing which is formed of a member having a low thermal conductivity, and an inner housing which has an opening at a back side end, which is formed of a member having a high rigidity and a high thermal conductivity, and which is made into a heat dissipating device, wherein a heat dissipating space is defined between the outer housing and the inner housing, wherein the inner housing has a shape in which at least a part of a component which configures a heat source is accommodated, wherein a whole of the inner housing is formed by a same material, the inner housing being made up of a main body side housing which is situated in a vicinity of the solid state image pick-up device and the integrated circuit, and a lens side housing which covers a circumferential edge of the lens unit, wherein heat is dissipated from the whole surfaces of the main body side housing and the lens side housing, and wherein the lens side housing of the inner housing is formed into a cylindrical shape and has openings at a front end side portion and a back end side portion thereof, and the main body side housing of the inner housing is formed into a hollow rectangular parallelepiped shape at the back end side portion of the lens side housing and has the opening at the back side end thereof.