Load Device Temperature-modifying Means Combined With Or Forming Circuit Impedance Means Patents (Class 315/50)
  • Fluorescent lamp unit with ballast resistor and cooling means therefor
    Patent number: 3974418
    Abstract: An integral self-contained fluorescent lamp unit comprising an elongated lamp and an elongated ballast resistor adjacent to and alongside the lamp. Metal strip heat radiators are positioned adjacent to and alongside the ballast resistor for dissipating its heat when operating.
    Type: Grant
    Filed: July 28, 1975
    Date of Patent: August 10, 1976
    Assignee: General Electric Company
    Inventor: Elmer G. Fridrich