ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,994, issued on Feb. 17, was assigned to Luminar Technologies Inc. (Orlando, Fla.).
"Avalanche photodiode gain compensation for wide dynamic range" was invented by Adam R. Bush (Plymouth, Minn.), Walter R. Eppler (Cranberry Township, Pa.) and Kevin A. Gomez (Eden Prairie, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical receiver includes a parasitic current compensation circuit having a reference diode, a sense avalanche photodiode (APD), at least one DC voltage source, and a measurement node. The at least one DC voltage source is configured to generate a first DC bias voltage that varies over time and drives the reference diode, and g...