MOBILE TELEPHONE (VERSIONS) Russian patent published in 2013 - IPC H04M1/02 H05K5/00 

FIELD: radio engineering, communication.

SUBSTANCE: mobile telephone has a housing with a front wall and a rear wall, and the rear wall of the housing is made from sheet strained material, the sheet strained material being made such that the boundary of its cross-section on one of the areas is in form of an element of a conic section and the boundary of its longitudinal section on one of the areas is in form of an element of a conic section, said area of the boundary of the cross-section and area of the boundary of the longitudinal section are in form of different-length elements of different ellipses, hyperbolas with different values of eccentricities and focal parameters, and the area of the boundary of the cross-section and the area of the boundary of the longitudinal section cross.

EFFECT: high counterfeit protection of devices and improved identification of a mobile telephone.

4 cl, 16 dwg, 12 tbl