ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,547,884, issued on Feb. 10, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Hardware implementation of activation functions" was invented by Stefano Ambrogio (San Jose, Calif.) and Pritish Narayanan (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device comprises activation function circuitry configured to implement a non-linear activation function. The activation function circuitry comprises a comparator circuit, a capacitor, and a ramp voltage generator circuit. The capacitor comprises a terminal coupled to a first input terminal of the comparator circuit, and is configured to receive and store an input voltag...