The present invention relates to the field of emergency signalling devices for use by individuals who may encounter emergency situations. Such situations include being lost or injured while travelling, hiking, or camping, or by being forced down in an airplane, or in similar circumstances.
It is known to use various types of rotary reflective devices as beacons or warning devices for attachment to vehicles such as automobiles or bicycles. Such devices are shown in various patents, i.e., U.S. Pat. No. 2,797,621 as a bicycle reflector; U.S. Pat. No. 1,798,052 as a warning signal; U.S. Pat. No. 4,120,561, as a rotary warning signal made with retro-reflective material. However, none of these prior devices are designed to transmit by reflection, an intelligible coded signal or transmit a specific emergency message.