Patents Assigned to Lighting and Electronic Design
  • Patent number: 6486797
    Abstract: A highway hazard marker is housed within a disc shaped high impact plastic housing, an upper portion of which is transparent. A plurality of LEDs are circularly disposed proximal to the side of the upper portion. A ring counter provides signals to transistors that sequentially drive the LEDs. Excitation provided to the ring counter is controlled to cause a desired current through the LEDs.
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: November 26, 2002
    Assignee: Lighting and Electronic Design
    Inventor: Jerry Laidman