ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,979, issued on Feb. 17, was assigned to Marvell Asia Pte Ltd (Singapore).
"Current-mode AC-coupled optical driver device" was invented by Sagar Ray (Fremont, Calif.), Chang-Feng Loi (Singapore) and The Linh Nguyen (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical driver device for driving a light emitting device includes a high-frequency current driver including a first switching circuit configured to generate a first portion of modulation current for driving the light emitting device. The first portion of modulating current is provided to the light emitting device via a coupling capacitor. The high-frequency current driver...