US Patent Issued to Microchip Technology on Feb. 10 for "Authentication and identification of products" (North Carolina Inventor)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,036, issued on Feb. 10, was assigned to Microchip Technology Inc. (Chandler, Ariz.).

"Authentication and identification of products" was invented by Brian Hammill (Richfield, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus comprising: a pin to connect to a resistor and a power source; a measurement circuit to measure a voltage at the pin; a circuit to determine a mapped identification value of the apparatus based upon the voltage at the pin, the mapped identification value coding the apparatus as an instance of a product from a set of products; and an authentication circuit. The authentication circuit: calculates an authentication c...