ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,606, issued on Aug. 11, was assigned to Otis Elevator Co. (Farmington, Conn.).
"Safety control device" was invented by Peter Herkel (Berlin).
According to the abstract* released by the U.S. Patent & Trademark Office: "A safety control device (1) for a people conveyor (101) includes a first safety control channel (2) configured to output a first safety control signal in response to one or more input signals (10, 12, 14). A second safety control channel (4) is configured to output a second safety control signal in response to one or more input signals (10, 12, 14). An override control channel (6) is configured to monitor a health of the first and second safety control channels (2, ...