ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,982, issued on Dec. 30.
"Method for changing an existing access key in a field device in automation technology" was invented by Patrick WeBkamp (Mulheim, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for changing an existing access key in a field device in automation technology includes the steps of: providing a key database on a database server; generating a key data set for a user authorized to access or a control unit authorized to access from the key database; and transferring the key data set to the control unit of the access-authorized user or the access-authorized control unit, so that the control unit of the access-authoriz...