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Artificial satellites

阅读:1001发布:2021-12-07

专利汇可以提供Artificial satellites专利检索,专利查询,专利分析的服务。并且A very light, easily dispensed, efficient and durable passive radial communication satellite comprising a filamentary netlike structure of which alternate lengths of the filaments are metal coated to comprise dipoles, and in which those surfaces of the net filaments between the metal covered dipole regions are covered with a layer of metal which affords protection against damage to the net by long-wavelength ultraviolet radiation and reduces the rate of evaporation of the net material, said layer of metal being of small thickness compared to that forming the dipoles so that radio wave reflection therefrom is negligible.,下面是Artificial satellites专利的具体信息内容。

1. A passive radio communication satellite comprising a filamentary netlike structure of which alternate lengths of the filaments are metal coated to comprise dipoles, and in which those surfaces of the net filaments between the metal covered dipole regions are covered with a layer of metal which affords protection against damage to the net by long-wavelength ultraviolet radiation and reduces the rate of evaporation of the net material, said layer of metal being of small thickness compared to that forming the dipoles so that radio wave reflection therefrom is negligible.
2. A passive radio communication satellite as claimed in claim 1 in which the net structure comprises a low-density filamentary structure of material selected from the group consisting of polyamide, polyester and glass fibre on which the dipoles are formed by coating alternate lengths of filaments with a layer of metal of sufficient thickness to act as a dipole.
3. A passive radio communication satellite as claimed in claim 1 in which the dipoles are equispaced over the netlike structure and in total cover between 0.3 and 0.6 of the surface are of the structure.
4. A passive radio communication satellite as claimed in claim 3 in which the net structure comprises a low-density filamentary structure of material selected from the group consisting of polyamide, polyester and glass fibre on which the dipoles are formed by coating alternate lengths of filaments with a layer of metal of sufficient thickness to act as a dipole.
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