×

Operating device for operating a light source, in particular LED

  • US 8,384,302 B2
  • Filed: 06/12/2008
  • Issued: 02/26/2013
  • Est. Priority Date: 06/15/2007
  • Status: Active Grant
First Claim
Patent Images

1. An operating device for operating a light source, comprising:

  • a first power converter stage supplied with mains voltage with a first reference potential,a second power converter stage with a second reference potential, which is connected to the secondary side of the first power converter stage via a first potential isolation element,a control unit which via a second potential isolation element controls a power switch of the first power converter stage and the second power converter stage without potential isolation,at least one power switch which clocks the converter stage, andan illuminant, which is supplied with energy by the second converter stage.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×