MOBILE (RADIO) TELEPHONE CASE Russian patent published in 2010 - IPC A45C11/24 H04M1/725 

FIELD: personal use articles.

SUBSTANCE: invention is related to the items for protection from electromagnetic emission effect and concerns the case for mobile (radio) telephone electromagnetic emission protection. Case consists of individual protective screen, rectangular in shape, with side dimensions, corresponding to the dimensions of cell telephone. Screen of protective device is made in the form of flat multilayer solid construction containing parallel layers with different features. Lower layer of protective screen material is made of metal foil, upper layer is uniform rubber compound, containing dispersion of ferrum and metal intermetallic compound, selected from the group: W, Cr, Co, Mn, Mo, Al, Ni, dispersed in synthetic rubber or thermoplastic elastomer with relative permittivity 2.8-12.0 on radio frequency. It has the dimension of protective screen, exceeding the dimensions of telephone in 1.05-1.25 times, and 10-100 is a proportion of metal foil and rubber compound layer thickness, that are tight connected without using glues and other adhesion materials.

EFFECT: protection against mobile telephone electromagnetic emission is provided.

1 dwg, 4 tbl, 7 ex