Abstract: A base chassis of an information handling system with a generally triangular profile is formed by connecting a plurality of three-dimensional sheet metal structural elements, wherein at least two of the elements have the same shape and a gusset. The gusset connects two of the structural elements. A plastic chassis assembly may be fitted over the base chassis. One or more handles may also be fitted over the base chassis. They may be located at vertices of the base chassis. Side door covers may be secured by rims on the base chassis.

Abstract: A digital audio/video playing device includes a touch control board, a plurality of switch units disposed outside a perimeter of the touch control board, and a support plate disposed on the touch control board and switch units. The support plate includes a central portion, an intermediary portion ringing the central portion, and an outer portion ringing the intermediary portion. The central portion and the outer portion are thicker than the intermediary portion such that the intermediary portion is recessed relative to the central portion and the outer portion. The intermediary portion is disposed directly facing the touch control board. A plurality of depressible tabs are formed in the outer portion, each depressible tab corresponding to and directly facing a corresponding one of the switch units. A surface film is arranged over and covering the support plate such that a raised-recessed-raised configuration is formed.