ALEXANDRIA, Va., July 23 -- United States Patent no. 12,368,421, issued on July 22, was assigned to Infineon Technologies AG (Neubiberg, Germany).
"Logarithmic amplifiers in silicon microphones" was invented by Jose Luis Ceballos (Villach, Austria), Fulvio CiCiotti (Villach, Austria), Dietmar Straeussnigg (Villach, Austria) and Andreas Wiesbauer (Poertschach, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "A logarithmic amplifier includes programmable gain amplifiers each having a different gain, wherein an input of each of the programmable gain amplifiers is coupled to an input of the logarithmic amplifier; and a summing circuit having inputs coupled to a corresponding output of each of the programma...