ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,992, issued on July 29, was assigned to NXP B.V. (Eindhoven, Netherlands).
"Voltage limiter for an RFID tag" was invented by Thomas Pichler (Graz, Austria) and Ivan Jesus Rebollo Pimentel (Graz, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "A voltage limiter for a radio-frequency identification (RFID) integrated circuit (IC) for an RFID tag and a method for operating a voltage limiter is disclosed. The RFID IC includes a radio-frequency (RF) rectifier. The voltage limiter comprises: a current sink device coupled between an output of the RF rectifier and ground; a reference generator having an output for providing a reference voltage (Vlim) ...