ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,505,879, issued on Dec. 23, was assigned to Hewlett Packard Enterprise Development LP (Spring, Texas).

"Gray encoding for analog content addressable memory in general computing" was invented by Lei Zhao (Fort Collins, Colo.), Giacomo Pedretti (San Francisco) and Ron M. Roth (Haifa, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device includes a first programmable computing block with an analog content addressable memory array, sense amplifiers, inverters, and a format converter circuit. The array includes analog content addressable memory cells arranged in rows and columns. The format converter circuit is configured to receive a Gray code from...