ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,230,939, issued on Feb. 18, was assigned to II-VI DELAWARE INC. (Wilmington, Del.).

"Pre-charge modulation of a laser array for 3D imaging applications" was invented by Steve Troyer (Wilmington, Del.), Jonathan Ashbrook (Wilmington, Del.), Theron Jones (Wilmington, Del.), Richard Davis (Wilmington, Del.) and Andrew Zocher (Wilmington, Del.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Laser drivers and methods are disclosed including a pulse input for receiving one or more logical pulse control signals, a delay circuit, a main pulse output, and a precharge pulse output for efficiently driving a laser with reduced time delay to desired optical output an...