Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 16, 2008
Patent Application Number
10977418
Date Filed
October 29, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A lighter-than-air aircraft includes a gas envelope for containing a buoyant gas, and a solar panel is carried by a predetermined portion of the gas envelope. A solar sensor is used for determining a direction of the sun. A propulsion system carried by the gas envelope orients the gas envelope so that the solar panel is oriented in the direction of the sun based upon the solar sensor. A navigation controller cooperates with the propulsion system to move the lighter-than-air aircraft along a desired flight path while the solar panel is oriented in the direction of the sun.
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