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Central test radio frequency system for emergency lighting

  • US 20060139161A1
  • Filed: 05/04/2005
  • Published: 06/29/2006
  • Est. Priority Date: 12/10/2004
  • Status: Active Grant
First Claim
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1. Central test system for emergency lighting comprising a set of emergency light units or emergency lamps (L1-L13) and at least one remote control unit (CU) which is provided for sending and receiving signals to/from said emergency light units (L1-L13) for carrying out functionality tests of said light units (L1-L13), said emergency light units (L1-L13) being also able to carry out diagnostic tests either automatically or due to commands sent by said remote control unit (CU), wherein each of said emergency light units (L1-L13) has a radio frequency transmitter-receiver (MR), which is able to communicate to each other emergency light units (L1-L13) and to the remote control unit (CU) via radio signals, also using said emergency light units (L1-L13) as signal repeaters.

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