ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,899, issued on May 26, was assigned to MediaTek Inc. (Hsinchu, Taiwan).
"Fast power control mechanism for multi users" was invented by Fu-Shing Ju (Hsinchu, Taiwan), Chien-Chih Tseng (Hsinchu, Taiwan), Ju-Hung Teng (Hsinchu, Taiwan) and Show-Hong Chen (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A chipset holds a first hardware semaphore to indicate that a processing subsystem is powered off. This first hardware semaphore coordinates power states between a driver and the processing subsystem. The chipset releases the first hardware semaphore when the processing subsystem is powered on. This release allows the driver to operate on a...