ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,272, issued on March 17, was assigned to Siemens Industry Inc. (Alpharetta, Ga.).

"Real-time location system and method using sensor-to-sensor data collection" was invented by Mustafa Mohamad (Kitchener, Canada), Jun Gao (Saratoga, Calif.) and Mohammadali Khazen (Toronto).

According to the abstract* released by the U.S. Patent & Trademark Office: "A real-time location system comprises sensors and an upstream device communicating with the sensors. Sensor pairs of the sensors include a transmitting sensor and a receiving sensor. Each sensor is assigned as the transmitting sensor in turn, while all other sensors are designated as the receiving sensors and collect signal strength da...