Electronic controllers for laser scanners; laser scanner servo electronics, namely, electronic servo controllers; computers for detecting calibrated scan fields, stitching of images with scan heads, and acquisition of images through 2D scans; data processing apparatus, computers, and peripheral devices in the nature of galvanometer scanners; systems for deflecting and positioning laser and optical rays comprised of galvanometer scanners, galvanometers, laser scanners, position detectors, digi...