Abstract: There is described a system for controlling electrical consumers of an electrical installation, comprising in addition to the consumers control and operating elements. The system has means for near field communication, by which data and control commands are transmitted, are assigned to the consumers and the actuation and control elements. The near field communication systems are coupled asymmetrically to electrically conducting infrastructure elements in such a manner that quasi-stationary near field with a high-frequency alternative current is impressed upon the infrastructure.

Abstract: Disclosed is an information transmission system comprising a transmitter (1) which capacitively and asymmetrically couples an electric near field into an electrical conductor element (6). Said conductor element (6) is made of an essentially homogeneous medium and is provided with an impedance (CB) to the ground, which is used as a return conductor during the transmission of information. A receiver (4) capacitively decouples the electric field and demodulates the transmitted information. The inventive information transmission system can be used in a tire pressure measuring system of a motor vehicle, for example, the conductor element being part of the body of the motor vehicle.