ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,671, issued on July 14, was assigned to Excelitas Canada Inc. (Vaudreuil-Dorion, Canada).
"Indexed multi-level selector for light beam with different but adjacent wavelengths" was invented by Yong Wang (Markham, Canada), Meenu Kajal (Mississauga, Canada) and Babu Kanhiram (Mississauga, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-wavelength light source for switching a light beam with different wavelengths is provided, wherein the light source covers a range of wavelengths. The light source contains a series of light emitting diodes (LEDs) arranged in a circular or semicircular pattern, where each LED is associated with one channel ...