Patents Assigned to Intelligent Safety Technology, Inc.
  • Portable electronic warning device for temporary conditions
    Patent number: 4951045
    Abstract: A portable electronic warning device for temporary conditions including a sensor to detect the presence of a pedestrian at a minimum first predetermined position, the sensor connected to circuitry which provides output to a plurality of focusing lights, preferably concentric bands of light, which direct the attention of the pedestrian to a message positioned concentrically within the lights, the device optionally including an audible alarm to simultaneously audibly alert a pedestrian.
    Type: Grant
    Filed: March 29, 1989
    Date of Patent: August 21, 1990
    Assignee: Intelligent Safety Technology, Inc.
    Inventors: Floyd H. Knapp, Gregory C. Rogers