Disclosed is a lighter than air vehicle comprising: an envelope containing a lighter than air gas, at least part of the envelope admitting the passage of light through the at least part of the envelope; and a directing device for selectively redirecting the light which passes through the at least part of the envelope. The vehicle may further comprises a plurality of devices for using incident light. The directing device for selectively redirecting the light may be for selectively redirecting the light onto a selected device, for example, by switching the positions of two or more devices into the path of the light.
Lighter than air vehicle
2019-01-29
Patent
Electronic Resource
English
IPC: | H01L Halbleiterbauelemente , SEMICONDUCTOR DEVICES / B64B LIGHTER-THAN-AIR AIRCRAFT , Luftfahrzeuge leichter als Luft / F24S Sonnenkollektoren , SOLAR HEAT COLLECTORS / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / H02S GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, E.G. USING PHOTOVOLTAIC [PV] MODULES , Erzeugung elektrischer Energie durch Umwandlung von Infrarot-Strahlung, sichtbarem Licht oder ultraviolettem Licht, z.B. unter Verwendung von Photovoltaik [PV]-Modulen |