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Multiple hazard field marker and components therefor

  • US 6,664,898 B1
  • Filed: 09/04/2002
  • Issued: 12/16/2003
  • Est. Priority Date: 05/12/1998
  • Status: Expired due to Fees
First Claim
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1. A plurality of field markers for a field marking system, said field markers deployed individually from an airborne deployment vehicle upon a deployment surface, each said field marker comprising a lower portion, an upper portion and a central portion, said lower portion having means to remain erect when deployed associated therewith, said upper portion having means to mark a position on a field where deployed associated therewith, said central portion having means to expand and means to signal associated therewith, a means to activate associated with said means to signal and a means to transmit associated with said means to activate wherein said means to activate activates multiple sensors contained in at least one housing in at least one of said portions upon receiving a command from a remote transceiver.

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