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7403772 |
Telecommunications system with reflective airborne platform
A cellular-type wireless communications system, comprising: an airborne platform that reflects wireless communication signals; and a centralized base station associated with at least one cell, each...
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7359700 |
Platform-associated visitor location registers (VLR) for cellular communications
A wireless communications system and method provides wireless communications service for user equipment on board an aircraft. The aircraft includes on-board system equipment for supporting the...
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6685136 |
Pressure-resistant balloon
A pressure-resistant balloon includes a gasbag and a volume changing mechanism which deforms the gasbag in a fully inflated state to change a volume of the gasbag. The gasbag includes...
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6234425 |
Release fitting for balloons
A release fitting for releasably holding at least one line to at least one item, the release fitting having a first body part, a second body part, and a third body part, the first and second body...
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6119979 |
Cyclical thermal management system
A cyclical thermal management system is provided for responding to diurnal heating and nocturnal cooling cycles to maintain a high altitude platform in a geostatic position for long periods of...
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5992795 |
Stratospheric balloon with long flight duration
A stratospheric balloon comprising on the one hand an external flexible envelope (1) having a natural shape and made of transparent synthetic material and presenting an air inlet and, on the other...
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5942316 |
Multi-layer refractory wear body
The invention concerns a multi-layer refractory wear body having a wear layer being exposed to a direct thermal, mechanical and/or metallurgical attack, and at least another layer of a ceramic...
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5645248 |
Lighter than air sphere or spheroid having an aperture and pathway
A lighter than air apparatus is provided with a gas impermeable sheeting material having a pathway either extending through the apparatus itself or adjacent to the apparatus. One or more control...
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