ALEXANDRIA, Va., June 17 -- United States Patent no. 12,317,386, issued on May 27, was assigned to Aleddra Inc. (Renton, Wash.).
"Lighting apparatus with invisible strobing" was invented by Chia-Yiu Maa (Bellevue, Wash.) and Chun-Te Yu (Bellevue, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lighting apparatus includes a light source and a controller. The controller turns on the light source with a strobing frequency between 35 Hz and 45 Hz. Moreover, the controller regulates the light output of the light source with a modulation depth percentage less than 50%. The modulation depth may be adjustable so that each user can maximize the modulation depth according to personal visual tolerance, thus achi...