ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,543, issued on Sept. 22, was assigned to Telefonaktiebolaget LM Ericsson (Publ) (Stockholm).
"Three-state buffer circuit" was invented by Nikola Ivanisevic (Alvsjo, Sweden), Daniele Mastantuono (Lund, Sweden) and Mattias Palm (Bara, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "Presented herein is a three-state buffer circuit having a voltage follower for directly driving a sampling capacitor at an output terminal of the three-state buffer circuit. The three-state buffer circuit further includes a switched capacitor circuit connected at an input of the voltage follower and configured to control the voltage follower to operate in one of a pl...