ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,488,852, issued on Dec. 2, was assigned to Siemens Industry Software Inc. (Plano, Texas).
"Read-only memory diagnosis and repair" was invented by Benoit Nadeau-Dostie (Gatineau, Canada) and Jongsin Yun (Portland, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A testing circuit configured to test and diagnose a read-only memory comprises two multiple-input signature registers configured to generate two sets of signatures for multiple iterations of reading some or all of words stored in the read-only memory, control circuitry configured to control, according to a test algorithm, from which of the outputs of the read-only memory each of the two multipl...