ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,442, issued on Dec. 2.
"Composite prism based on isosceles prism, and laser ranging telescope comprising composite prism" was invented by Jie Zhu (Chongqing, China) and Mingxiao Gao (Chongqing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A composite prism based on an isosceles prism and a laser ranging telescope includes a first prism, a second prism, a third prism and a compensating prism. The first prism is an isosceles prism with three reflecting surfaces, the second prism is a roof prism, the third prism is a half-penta prism, and the compensating prism is a wedge prism. Through the composite prism, a telescope observation system, a lase...