ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,508, issued on June 3, was assigned to RIGOL TECHNOLOGIES Co. LTD. (Jiangsu, China).

"Electronic test equipment and optional function configuring method" was invented by Xiaohua He (Jiangsu, China) and Yue Wang (Jiangsu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to an electronic test equipment and an optional function configuring method. A ciphertext decryption authentication unit performs a decryption authentication operation according to a function option key and a function option ciphertext, performs a corresponding operation on a function device corresponding to the function option ciphertext according t...