ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,603, issued on Aug. 11, was assigned to INVENTIO AG (Hergiswil, Switzerland).
"Light modulation device of an elevator installation and light modulation transmission method" was invented by Teresa Zotti (Ebikon, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light modulation device is provided in an elevator installation having an elevator car for performing a method of modulating light in the elevator car. The light modulation device has a modulator that receives a first electrical signal from a control unit of the elevator installation, wherein the modulator, in order to modulate the first electrical signal, controls a lighting device...