A system and methods are provided for imaging an object, based on activating an array of discrete X-ray sources in a prescribed temporal pattern so as to illuminate the object with a beam varying in spatial orientation, and detecting X-rays of the beam after interaction with the object and generating...http://www.google.co.uk/patents/US20070258562?utm_source=gb-gplus-sharePatent US20070258562 - X-ray Imaging of Baggage and Personnel Using Arrays of Discrete Sources and Multiple Collimated Beams
