Please download the dossier by clicking on the dossier button x
×

Preferred embodiment to LED light string

  • US 6,461,019 B1
  • Filed: 03/29/2001
  • Issued: 10/08/2002
  • Est. Priority Date: 08/28/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A method of determining a workable number of light emitting diodes directly coupled in series to an AC power source to provide a stable light source, said method comprising the following steps:

  • determining an RMS voltage rating (VRMS) of said AC power source;

    determining an AC voltage rating for a particular type of light emitting diodes by determining an average voltage drop (Vavg) across said particular type of light emitting diode when connected to said AC power source;

    calculating said workable number (WN) of said light emitting diodes according to the following formula

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×