ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,100, issued on Dec. 9.
"Determination of the position of an elevator car in an elevator shaft" was invented by Christian Studer (Kriens, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "In an elevator system, a measurement system is provided in addition to an elevator car, an elevator controller and a transferring device configured to transfer electrical energy and/or information between the elevator car and the elevator controller. The measurement system has a transmitting device and a detection device which can be positioned separate and remote from the transmitting device by an air path. The detection device receives a measurement signal...