glass for camera components digital projection consumer electronics glass-ceramic as projection screens high transmission glasses for digital projection human machine interface optical components display cover glass consumer electronics cover glass decorative screen protective cover protective covers...
patents optical: systems and elements patents (class ) optical: systems and elements patents (class ) holographic system or element (class / ) authentication (class / ) having particular recording medium (class / ) for synthetically generating a hologram (class / ) using modulated or plural reference...
compound microscopes the compound microscope consists essentially of two or more double convex lenses fixed in the two extremities of a hollow cylinder. the lower lens (nearest to the object) is called the objective; the upper lens (nearest to the eye of the observer), the eyepiece. the cylinder is mounted...