Patent 10567682 was granted and assigned to PROPHESEE on February, 2020 by the United States Patent and Trademark Office.
The invention relates to pixel circuit and an operating method thereof, comprisinga front-end circuit comprising a single photodiode and having an output, said front-end circuit being configured for delivering on said output a photoreceptor signal derived from a light exposure of said single photodiode;a transient detector circuit configured for detecting a change in said photoreceptor signal delivered on said output;an exposure measurement circuit configured for measuring said photoreceptor signal delivered on said output upon detection by the transient detector circuit of a change in the photoreceptor signal.