Coupling stage for coupling coded information on a phase line of an electric network

Abstract

Abstract 1. A coupling stage (K) for coupling information coded as a pulse pattern of pulses and pulse gaps, on a phase line of an electric network, preferably installed in a building, wherein the pulse pattern is an amplitude-modulated signal formed by the envelope of a sinusoidal carrier frequency signal having a frequency that is high compared to the network frequency and the fundamental frequency of the pulse pattern, and wherein the coupling stage (K) is at least temporarily highohmic, characterised in that the coupling stage (K) brings about low-ohmic coupling during the duration of a pulse pattern.

Inventors

• 👤 Waldemar Dr. Frühauf

Bibliographic Details