ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,302, issued on Dec. 23, was assigned to Hella GmbH & Co. KGaA (Lippstadt, Germany).
"Inductive sensor with monitoring of the excitation signal" was invented by Fabian Utermoehlen (Lippstadt, Germany), Volker Woessmann (Telgte, Germany), Joerg Diekmann (Guetersloh, Germany) and Karsten Kuemmel (Dortmund, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An inductive sensor, in particular a length sensor or an angle sensor, including an oscillator for generating a sinusoidal excitation signal having a first excitation frequency. A resonant circuit is connected to the oscillator and may be excited by the excitation signal to generate an electromag...