ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,045, issued on May 13, was assigned to ST Engineering Telematics Wireless Ltd. (Holon, Israel).
"Zero return photoelectric control system" was invented by Nehemia Niv (Petach Tikva, Israel) and Moshe Nissim (Ness Ziona, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system controls high power devices according to ambient light levels. The system includes a latching relay, a latching relay driver, an ambient light sensor and a relay bulk power supply. The latching relay switches power on and off to the high power devices, and the latching relay driver energizes the latching relay, using power from on-periods when the latching relay is closed...