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US 5,335,112 AGranted
Remote area landing system
AssigneeRB-Maxim Visual Aids Ltd.
InventorsReginald S. Bennett, Gary Hretsina
Life of this patent
Estimating the term…
Abstract
A remote area landing system combines retro reflective markers with a lighting system. The markers reflect light from a landing aircraft or helicopter. The preferred marker is aluminum with a polycarbonate cover layer. The lights are solar powered and are radio controlled from the aircraft.
Claims7
Remote area landing system comprising in combination:
- a plurality of markers adapted to be located adjacent a landing area, adapted to retroreflect light incident thereon;
- said markers being arranged to define a landing location;
- each of said markers having a panel bearing cube corner reflectant sheeting;
- a lighting system adapted to indicate the presence of said landing area;
- an antenna;
- means responsive to receipt of a predetermined radio signal by said antenna to turn on said lighting system
- wherein said signal responsive means comprises:
- a storage battery connected to power said lighting system;
- a solar cell connected to charge said battery;
- a control adapted to activate said lighting system;
- an antenna;
- said control being connected to receive the signal from said antenna, and responsive to a component of predetermined frequency therein, to cause illumination of said lighting system.
9 more elements
Method of operating a remote landing area system, comprising:
- providing at least one retroreflective marker located adjacent a landing location arranged to retroreflect incident light approximately along a predetermined direction,
- providing a light system adjacent said landing location,
- responsive to an incident radio signal of predetermined frequency causing illumination of said lighting system, and
- responsive to a further incident radio signal during the time said lighting system is providing illumination, causing dimming of said illumination.
1 more element
Dependencies are inferred from the claim text.