Patent ID: 8098684
Filing Date: 2012-01-17
Classification: H04B

Abstract:
1. A system, comprising a power supply; at least one consumer supplied via a supply line, each consumer including a communication device configured to communicate via the supply line and a switching unit configured to disconnect the supply line from the power supply; wherein the switching unit includes a detection device configured to detect power transmitted by the power supply to the consumer at least one of (a) at a present moment and (b) on an average over time within a time window, by at least one of (I) ascertaining a time characteristic of at least one of (a) a current intensity, (b) a voltage in the supply line, (c) time averages of at least one of (i) the current intensity and (ii) the voltage in the supply line and (II) calculating a power consumption in accordance with at least one of (a) process steps and (b) actions performed by the consumers.