US Patent Issued on Oct. 6 for "Reticle and analysis methods to improve autocollimator accuracy and reduce measurement error" (Wisconsin Inventor)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,754,440, issued on Oct. 6.

"Reticle and analysis methods to improve autocollimator accuracy and reduce measurement error" was invented by Dennis Mikkelson (Menomonie, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Reticles, autocollimators, systems, and methods for measurement of angles including a reticle having at least one line which produces a line image on a sensor where the line image is mismatched with respect to vertical and horizontal reference lines of pixels of the sensor such that periodic measurement error due to regular spacing between pixels is reduced or eliminated. In aspects an autocollimator includes a reticle comprising a pattern...