ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,430,397, issued on Sept. 30, was assigned to International Business Machines Corp. (Armonk, N.Y.).
"Convolutions with optical finite impulse response filters" was invented by Pascal Stark (Thalwil, Switzerland), Folkert Horst (Wettingen, Switzerland), Roger F. Dangel (Zug, Switzerland), Bert Jan Offrein (Schoenenberg, Switzerland) and Lorenz K. Muller (Dubendorf, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of processing data and related apparatuses. The method relies on an optical finite impulse response (FIR) filter. This optical FIR filter comprises several delay stages having weights set in accordance with parameters of a tra...