US Patent Issued on Oct. 27 for "Autocollimator devices, systems and methods for measurement of angles" (Wisconsin Inventor)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,775,162, issued on Oct. 27.

"Autocollimator devices, systems and methods for measurement of angles" was invented by Dennis Mikkelson (Menomonie, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Devices, systems, and methods for measurement of angles including an autocollimator based on discovery that secondary reflections from surfaces at or near a focal plane of an objective lens of the autocollimator present unwanted measurement errors, the autocollimator configured in one aspect to have a reticle and a light sensor where the reticle and/or the light sensor is tilted with respect to an optical axis to reduce or avoid a reflection of the reticle and...