A linear detector selectively detects successive line images from different angles while the linear detector and a radiation source are rotated about a patient. Radiation-transmission images are generated and detected and converted to computer-grabbed images by a computer which acquires, processes, stores...http://www.google.com.tw/patents/US5132996?utm_source=gb-gplus-share專利 US5132996 - X-ray imaging system with a sweeping linear detector
