| 主权项 |
1. A radiography system for obtaining a radiographic image of a subject, the system comprising:
a radiation source within an enclosure, the radiation source energizable to direct radiant energy along a radiation path toward an imaging detector, where the radiation path is defined according to a collimator; and a digital projector that is coupled to the enclosure and is energizable to provide an illumination beam that outlines the defined radiation path, where the digital projector comprises a light modulator including a digital micromirror device, an array of micro-electromechanical grating light valves, and a liquid crystal device, where the digital projector comprises a solid-state light source, or where the digital projector is a color projector. |
