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Noise cancellation in magnetoencephalography and electroencephalography with isolated reference sensors

United States Patent

June 1, 2010
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
An apparatus measures electromagnetic signals from a weak signal source. A plurality of primary sensors is placed in functional proximity to the weak signal source with an electromagnetic field isolation surface arranged adjacent the primary sensors and between the weak signal source and sources of ambient noise. A plurality of reference sensors is placed adjacent the electromagnetic field isolation surface and arranged between the electromagnetic isolation surface and sources of ambient noise.
Kraus, Jr.; Robert H. (Los Alamos, NM), Espy; Michelle A. (Los Alamos, NM), Matlachov; Andrei (Los Alamos, NM), Volegov; Petr (Albuquerque, NM)
Los Alamos National Security, LLC (Los Alamos, NM)
11/ 096,142
March 31, 2005
STATEMENT REGARDING FEDERAL RIGHTS This invention was made with government support under Contract No. W-7405-ENG-36 awarded by the U.S. Department of Energy. The government has certain rights in the invention.