US Patent Issued to TOPCON on Oct. 21 for "Method for detecting plant growth amount, plant sensor, and fertilizing apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,540, issued on Oct. 21, was assigned to TOPCON Corp. (Tokyo-to, Japan).

"Method for detecting plant growth amount, plant sensor, and fertilizing apparatus" was invented by Shugo Akiyama (Tokyo-to, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A scan using a pulsed distance measuring light with two wavelengths of which reflectances are different with respect to a content of a nitrogen by a laser scanner, the two wavelengths are separated, lights are received, a distance measurement value and a light amount are detected for each pulsed distance measuring light and for each of the two wavelengths, a height of a crop is detected based on the dist...