Tensioned cord attachment of antenna reflector to inflated...

H - Electricity – 01 – Q

Patent

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Details

H01Q 15/14 (2006.01) B64G 1/66 (2006.01) H01Q 1/28 (2006.01) H01Q 15/16 (2006.01)

Patent

CA 2241487

A collapsible conductive material includes a mesh-configured, collapsible surface, that defines the reflective geometry of an antenna, and a distribution of tensionable cords and ties, which attach the reflective mesh to an inflatable support structure. The antenna is deployed once the inflatable support structure is inflated to at least a minimum pressure necessary to place the attachment tie/cord arrangement in a tension that causes the reflective surface to acquire a predetermined (e.g., parabolic) geometry. Preferably, the inflation pressure is above the minimum value, so as to allow for pressure variations (drops) within the support structure.

Un matériau conducteur repliable comporte une surface repliable à configuration de treillis qui définit la géométrie réfléchissante d'une antenne et une distribution de cordons et d'attaches pouvant se mettre en tension et qui relient le treillis réfléchissant à une structure de support gonflable. L'antenne est déployée une fois que la structure de support gonflable est gonflée au moins à une pression minimale nécessaire pour donner à l'arrangement de cordons et attaches une tension qui amène la surface réfléchissante à prendre une géométrie prédéterminée (p. ex. parabolique). De préférence, la pression de gonflage est supérieure à la valeur minimale, de manière à compenser d'éventuelles variations de pression (baisses) à l'intérieur de la structure de support.

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