ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,353, issued on Dec. 2, was assigned to Acleap Power Inc. (Taipei, Taiwan).

"Circuit for limiting duty cycle and DC switching power supply with constant output" was invented by Lishen Zhou (Shanghai), Yifeng Sun (Shanghai) and Yuan Liu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure relate to a circuit for limiting duty cycle for a DC switching power supply. The circuit includes: a timing module and a switch control module. The timing module is configured to cause the variable output voltage to increase to a voltage threshold within a time shorter than a duration time of the first level of the period. The...