ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,556, issued on Nov. 18, was assigned to Raytheon Co. (Arlington, Va.).
"Lightweight modified-Schmidt corrector lens" was invented by Ravash Joshua Eliassi (Los Angeles).
According to the abstract* released by the U.S. Patent & Trademark Office: "A modified-Schmidt corrector lens including a first side having a curved surface configured to direct electromagnetic radiation, and a second side having a stepped surface including one or more stepped zones positioned to maintain a substantially constant thickness along a radius of the corrector lens."
The patent was filed on Feb. 18, 2020, under Application No. 16/793,578.
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