ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,306, issued on Feb. 10, was assigned to POMA (Voreppe, France).
"Door closure monitoring system" was invented by Christian Mathieu (Seyssins, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention refers to a system for monitoring the position of the doors of a moving car in a cable transportation system, the car comprising two doors and the monitoring system comprising an electronic control unit. The monitoring system comprises a detection target on each door, and a fixed detection device, such as a proximity switch with a field of action, which emits a detection signal when a target passes through the field of action, which is connect...