(under subclass 98.2) Subject matter wherein the X-ray television system includes visible light optical elements between the means for converting the X-ray image to a visible light image and the means for converting the visible light image to an electronic video signal.
(1) Note. These elements may comprise optical cubes, lenses, mirrors, prisms, optical fibers, filters, diaphragms, or shutters.
SEE OR SEARCH CLASS
359, Optics: Systems (Including Communication) and Elements, for optical elements.