ALEXANDRIA, Va., May 19 -- United States Patent no. 12,632,577, issued on May 19, was assigned to BEIJING ZITIAO NETWORK TECHNOLOGY Co. LTD. (Beijing).
"Permission control method and device and electronic equipment" was invented by Wei Chen (Shenzhen, China) and Xuejia Chen (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A right control method, a right control apparatus and an electronic device are provided according to embodiments of the present disclosure. when at least one reader of the document has the first user right on the target subdocument, the first prompt information may be displayed to remind a user who is currently browsing the document, that at least one reader of the document d...