ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,143, issued on Sept. 9, was assigned to Tridonic GmbH & Co KG (Dornbirn, Austria).
"PFC with valley controlled DCM for an LED load" was invented by Hans Auer (Dornbirn, Austria) and Andre Mitterbacher (Dornbirn, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "A converter (1) for operating an LED load is provided. The converter (1) comprises an actively switched power factor correction, PFC, circuitry (104-112), having a control circuitry (2-4) for controlling a switch (105) of the PFC circuitry (104-112). The control circuitry (2-4) is configured to control a switch-on timing of the switch (105) such that an output voltage (113, Vbus) of the...