ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,603, issued on May 20, was assigned to AMS-OSRAM INTERNATIONAL GMBH (Regensburg, Germany).

"Environment sensor, measuring device and method for operating a measuring device" was invented by Jens Ebbecke (Rohr in Niederbayern, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "In at least one embodiment, the environment sensor for sensing at least one environment parameter includes a semiconductor layer sequence, a sheath, the index of refraction of which changes as a function of the environment parameter, and a first electrical contact and a second electrical contact for supplying current to the semiconductor layer sequence. The semiconductor la...