The invention relates to driver for lighting means comprising an input and a second input for receiving electrical energy, wireless communication means, and activation and deactivation means. The driver may provide, using electrical energy received by the ...

The system has an emergency light lamp (20) operated using a central control unit (2). The emergency light lamp is connected to an emergency light supply unit (4). A memory module (22) is connected with the emergency light lamp. The memory module is commun...

The emergency power supply device (1) has energy storage units (2) with plug connectors (3) to which power strips (4) are attached. The energy stored for emergency power supply in energy storage units, is measured at the power strips. The temperature senso...

The bus phase monitor (1) has monitoring unit (3) to monitor a power source (2), and communication unit (4) to exchange data with control bus (5). The monitoring unit and communication unit are connected with one another, such that the power source is moni...

A power line control system controls lights (L) over a single supply line (1) by exchange of signals with a control unit (2) using a synchronised preset transmit receive cycle with one time retransmission of data for other lights for a preset number of cyc...