ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,546, issued on May 27, was assigned to CHANGXIN MEMORY TECHNOLOGIES INC. (Hefei, China).

"Signal control circuit, signal control method for blocking activation operations and semiconductor memory" was invented by Enpeng Gao (Hefei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A signal control circuit includes: a generating circuit configured to accumulate execution times of an activation operation and output a block signal in response to an accumulated value being greater than or equal to a first preset value; and a logic circuit configured to receive an activation operation signal and the block signal, block outputting of the activation ope...