ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,292, issued on Nov. 4, was assigned to SeeScan Inc. (San Diego).
"Magnetic field cancelling audio devices" was invented by Ray Merewether (La Jolla, Calif.) and Mark S. Olsson (La Jolla, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Magnetic field cancelling audio systems and associated devices are disclosed. In one embodiment, an audio system with two electromagnetic audio drivers positioned and electrically connected to reduce emitted magnetic fields over a range of predefined frequencies."
The patent was filed on April 17, 2023, under Application No. 18/135,677.
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