ALEXANDRIA, Va., May 26 -- United States Patent no. 12,635,925, issued on May 26, was assigned to EMTEQ Ltd. (Brighton, Great Britain).

"Method and apparatus for measuring biological electrical activity" was invented by Charles Nduka (Falmer Brighton, Great Britain), Andrew Cleal (Falmer Brighton, Great Britain) and Mohsen Fatoorechi (Falmer Brighton, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "Some embodiments are directed to an apparatus for measuring biological electrical activity, comprising: a plurality of sensors adapted for contact with a human or animal body; a signal injector configured to inject a reference signal into the body, the reference signal having a frequency substantially...