US Patent Issued to The Regents of the University of Michigan on Dec. 16 for "Field cancellation for coil-surrounded circuitry" (Michigan Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,020, issued on Dec. 16, was assigned to The Regents of the University of Michigan (Ann Arbor, Mich.).

"Field cancellation for coil-surrounded circuitry" was invented by Al-Thaddeus Avestruz (Ann Arbor, Mich.) and Xin Zan (Ann Arbor, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A field cancellation device includes a primary coil and a cancellation coil. The primary coil surrounds a primary volume. The cancellation coil is disposed at least in part within the primary volume. Upon simultaneous incidence of an input signal on both coils, the primary coil and the cancellation coil each generate a response to the signal input. The cancellation fie...