ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,276, issued on Sept. 9, was assigned to FORUS HEALTH PVT. LTD. (India).
"Annular light source device for fundus cameras" was invented by Sourav Pal (Bangalore, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device has a light guide portion and a light collector portion. The light guide portion is cup shaped. The wall of the cup has a cross section defined by sections of two ellipses disposed in a predefined manner with each other. The light collector portion is also cup-shaped, inverted with reference to the light guide portion, by a section of an ellipse and straight lines defined with reference to the light guide portion. The device radia...