US Patent Issued to Hewlett-Packard Development on July 21 for "Identification of option cards using multiple voltage inputs" (Texas Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,688,139, issued on July 21, was assigned to Hewlett-Packard Development Co. LP (Spring, Texas).

"Identification of option cards using multiple voltage inputs" was invented by Michael Richard Durham (Spring, Texas) and Mark Andrew Piwonka (Spring, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An example computing device includes: an option card receptacle to receive an option card; a controller interconnected with the option card receptacle, the controller to: apply a first voltage input to the option card in the option card receptacle and detect a first output from the option card; apply a second voltage input to the option card in the option car...