ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,164, issued on Sept. 30, was assigned to Siemens AG (Munich).
"Monitoring facility and method for monitoring an opening" was invented by Maximilian Walter (Nuremberg, Germany) and Ulrich Taschke (Furth, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Monitoring facility and method for monitoring an opening, wherein to improve the monitoring facility through which objects are channeled via a transportation device, a light curtain includes a transmitter array with transmitters emitting light beams and a receiver array with receivers receiving light beams which recognize interruption of a light beam and provide a signal, where the light curtain...