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Diode lamp for simulating a filament lamp, and lamp monitoring method

  • US 20080309257A1
  • Filed: 06/12/2007
  • Published: 12/18/2008
  • Est. Priority Date: 06/12/2007
  • Status: Active Grant
First Claim
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1. A light-emitting, diode lamp, the diode lamp for replacing a filament lamp, the diode lamp comprising:

  • a light-emitting diode;

    a load resistor, the load resistor being in series with the light-emitting diode for forming a two-component, first current path;

    a current-limiting diode; and

    a low resistance resistor, the low resistance resistor being in series with the current-limiting diode for forming a two-component, second current path, a potential difference being applicable across the first and second current paths for driving current through said paths, enabling light emission from the light-emitting diode, and simulating a relatively low resistance through the diode lamp.

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