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Illuminating inflatable balloon

  • US 5,782,668 A
  • Filed: 10/18/1996
  • Issued: 07/21/1998
  • Est. Priority Date: 04/29/1994
  • Status: Expired due to Term
First Claim
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1. An illuminated inflatable balloon, comprising:

  • an envelope inflated with a gas, said envelope being connected to the ground by an elongate element;

    illumination means enclosed within said envelope and electrically connected to an electrical power supply;

    actuation means sensitive to one of a deformation of said envelope and a variation in an internal pressure of the gas in said envelope, said actuation means cooperating with a control member; and

    switching means interposed in the electrical connection between said illumination means and said electrical power supply, said electrical switching means being actuated by said control member in order to manipulate the electrical connection between an open position when said internal pressure within said envelope is on a first side of a predetermined threshold and a closed position when said internal pressure within said envelope is on a second side of said predetermined threshold.

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