ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,287, issued on May 27, was assigned to FOCAL JMLAB (La Talaudiere, France).
"High-performance audio amplifier" was invented by Christian Jury (Sorbiers, France), Ludovic Uhring-Cadart (Sorbiers, France) and Michel Marandon (L'etrat, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a high-performance audio amplifier intended to control at least one loudspeaker, the amplifier comprising a pre-amplification stage that receives an input signal, a power amplification stage connected to the pre-amplification stage and a feedback that delivers to the pre-amplification stage an image of the output signal, the power amplificatio...