4. Electricity: measuring and testing
  5. Electric lamp or discharge device
  6. Electric lamp

Jean-Simon Bourgault

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Count down led traffic signal

Communications: electrical – Traffic control indicator – Indication of time remaining before change of phase
Reexamination Certificate

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Light degradation sensing LED signal with light pipe collector

Communications: electrical – Visual indication – Using light emitting diodes
Reexamination Certificate

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Light degradation sensing led signal with visible fault mode

Electricity: measuring and testing – Electric lamp or discharge device – Electric lamp
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2642163

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