Matches 1 - 8 out of 8
Match Document Document Title
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...
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...
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...
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...
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...
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...
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...
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...
Matches 1 - 8 out of 8