device for detection of a crowd in a r amp; auml umlich limited access portion.

摘要

devicethe detection of a crowd in a r & auml; umlich limited access portion.especially in the area of a register in a consumer market, comprehensiveat least one sensor for the perception of the crowd, thischaracterized as & w;the access networks, several sensors (7, 8) r & auml; umlich distributed toare there & white; eachsensor (7, 8), an infrared sensor.