초록 ▼

Absorptive shields for transmission lines, especially those tending to radiate electromagnetic wave lengths within a frequency range of from about 106 to about 1010 hertz, especially 107 to 1010 hertz. The shields are flexible materials filled with ferromagnetic, or ferrimagnetic, powders of selecte

Absorptive shields for transmission lines, especially those tending to radiate electromagnetic wave lengths within a frequency range of from about 106 to about 1010 hertz, especially 107 to 1010 hertz. The shields are flexible materials filled with ferromagnetic, or ferrimagnetic, powders of selected particle size and distribution.

대표청구항 ▼

A flexible transmission line of the type utilized to transmit electric current in the frequency range of 106 to 1010 hertz and comprising (a) an electrical conductor (b) electrical insulation around said conductor (c) a metallic sheathing around said electrical insulation and a coating means placed

A flexible transmission line of the type utilized to transmit electric current in the frequency range of 106 to 1010 hertz and comprising (a) an electrical conductor (b) electrical insulation around said conductor (c) a metallic sheathing around said electrical insulation and a coating means placed around said sheathing to absorb electromagnetic radiation emanating from said line, in the range of 106 to 1010 hertz, said means being formed of a shielding composition comprising ferromagnetic particles of above 20 microns in average maximum dimension in a resin matrix and said coating means being of such thickness that it has no substantial interference with the flexibility of said transmission line.