ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,847, issued on Aug. 19.
"Radio frequency power amplifier system for magnetic resonance imaging" was invented by Daniel P. Myer (Commack, N.Y.), J. Thomas Vaughan (New York) and Michael Kozma (Rockville Centre, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A radio frequency amplifier system for a magnetic resonance imaging (MRI) apparatus has a radio frequency power amplifier configured to transmit a B1 radiofrequency signal to a patient coil present in the MRI apparatus and a first directional coupler that splits the B1 signal from the amplifier into a transmitted B1 signal and a B1 error signal. A circulator transmits the transmitted B1 signa...