ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,229,929, issued on Feb. 18, was assigned to AeroVironment Inc. (Arlington, Va.).
"Multispectral filters" was invented by Phillip T Tokumaru (Thousand Oaks, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and system including: an aerial vehicle including: a first camera comprising a first sensor having at least red, green, and blue color channels, where the blue color channel is sensitive to near-infrared (NIR) wavelengths; a first optical filter disposed in front of the first sensor, wherein the first optical filter is configured to block wavelengths below green, between red and NIR, and longer wavelength NIR; a processor having addressab...