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Programmable emergency signalling device and system

  • US 6,100,791 A
  • Filed: 10/06/1994
  • Issued: 08/08/2000
  • Est. Priority Date: 10/04/1990
  • Status: Expired due to Term
First Claim
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1. An emergency signalling system for mounting to a vehicle that generates two or more moving beams of light, the system comprising in combination:

  • at least first and second signalling devices for generating the two or more moving beams of light;

    each signalling device comprising a rotatable reflector driven by a motor;

    a memory containing data for a plurality of visual patterns, each pattern being made by one of the two or more moving beams of light upon rotation of one of the reflectors;

    a controller responsive to a user interface for selecting from the memory an appropriate one or more of the plurality of visual patterns and transferring the selected one or more patterns to a variable field of the memory; and

    a means responsive to the patterns transferred to the variable field of the memory for collectively controlling the motors of the at least first and second signalling devices to generate a desired emergency signal comprising the two or more moving beams of light.

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