Patents Assigned to FBW Enterprises
  • Apparatus for simulating the light produced by a fire
    Patent number: 4064414
    Abstract: Fire simulating apparatus includes a random number generator, a digital-to-analog converter for converting the output of the random number generator to an analog signal, a lamp coupled to a power source, a switching device coupled in series with the lamp and power source, and a control circuit for controlling the conductivity of the switching device in accordance with the magnitude of the analog signal.
    Type: Grant
    Filed: January 31, 1977
    Date of Patent: December 20, 1977
    Assignee: FBW Enterprises
    Inventors: Haven E. Bergeson, Mark W. Fuller