US Patent Issued on March 18 for "Optical device, particularly for tuning the focal length of a lens of the device by means of optical feedback" (Swiss Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,744, issued on March 18.

"Optical device, particularly for tuning the focal length of a lens of the device by means of optical feedback" was invented by Manuel Aschwanden (Allenwinden, Switzerland), David Niederer (Kuttigen, Switzerland), Roman Patscheider (Winterthur, Switzerland), Daniel Borer (Schlieren, Switzerland), Christopher Laning (Windisch, Switzerland) and Michael Bueeler (Vogelsang, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an optical device, comprising: a lens having an adjustable focal length. According to the invention, a light source which is configured to emit light that is affected by said...