ALEXANDRIA, Va., March 24 -- United States Patent no. 12,585,038, issued on March 24, was assigned to Mettler-Toledo Safeline Ltd. (Manchester, Great Britain).
"Method for operating a metal detector and metal detector" was invented by Christos Ktistis (Lymm Warrington, Great Britain) and Iain Rist (Stockport, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for operating a metal detector that includes a balanced coil system with a transmitter coil connected to a transmitter unit and first and second receiver coils connected to an input of a receiver unit. The transmitter unit includes a transmitter signal path for which a transmitter signal with at least one fixed or selectable operating ...