Tubelamp retrofit pin safety implementation using existing ballast and fixture

  • US 8,917,020 B2
  • Filed: 03/15/2012
  • Issued: 12/23/2014
  • Est. Priority Date: 03/24/2011
  • Status: Active Grant
First Claim
Patent Images

1. A system comprising:

  • an electric lamp comprising;

    a lighting module with at least two terminals; and

    four external connection pins arranged in pairs, wherein each pair of connection pins is associated with an automatic switch operable to connect a first connection pin in the pair to a terminal, each switch configured to close in response to non-zero voltage at its associated pair of connection pins,and a dummy starter to replace a starter in a switch-start circuit fixture for connecting the electric lamp to mains voltage.

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