Remote measuring system with central monitoring station

摘要

Information to be communicated consisting of signal sequences is passed between the monitoring station (1) an the sensor stations (5.i; i=1,.....,n), bidirectionally across a transfer medium, e.g. using radio, HF or light wave conductors. In which individually coded characteristic values of equal duration and equal number of word elements fork a basic pattern. They represent a repetition frequency of an identical coded basic pattern for measurement value specific information. The identification units, prepared with the same construction contained in the sensor stations (5i) are designed respectively for fixed programming to individual coded characteristic values. They are installed as detectors for receiving, also as generators for basic patterns, transmitted with different repeatable frequencies.