ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,720,221, issued on Aug. 25, was assigned to Sony Semiconductor Solutions Corp. (Atsugi, Japan).
"Sensor device and method for operating a sensor device" was invented by Raphael Berner (Stuttgart, Germany) and Massimo Zannoni (Stuttgart, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sensor device includes multiple pixels for receiving light and converting it into photocurrents, which are then transformed into photovoltages by corresponding current-voltage converters. Each photovoltage is stored in a capacitor linked to its converter. The device features event detection units that identify changes in light intensity based on these photovoltages...