Multifunctional balloon membrane
    31.
    发明授权

    公开(公告)号:US10689084B2

    公开(公告)日:2020-06-23

    申请号:US16114247

    申请日:2018-08-28

    Abstract: Disclosed herein is system comprising a lighter-than-air (LTA) device and method of making the same. In an embodiment, the system includes the LTA device, which includes a membrane having a flexible substrate and an active material disposed thereon, wherein the active material is configured to controllably change the surface area of at least a portion of the substrate when an electrical stimulus is applied to the active material. In addition, the system may include a payload box; an altitude control vent mechanism; a meteorological data collection package; a communication unit; and an antenna.

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