DR. NGUYEN XUAN THUC On 8 Nov, 1895, Wilhelm Conrad Röntgen (accidentally) discovered X-rays. A week after his discovery, Rontgen took an X-ray photograph of his wife's hand X RAY William D. Coolidge invented the first rotating anode X-ray tube. He filed for patent in 1913 and finally it was granted as US Patent 1,203,495 in 1916. A male technician taking an X-ray of a female patient in 1940 X RAY ATTENUATION X RAY ATTENUATION Timetable of Developments in Digital Radiography DSA SYSTEMS CONVENTIONAL XTV DDR MOBILE CONVENTIONAL + DDR CR [...]...CR – COMPUTED RADIOGRAPHY Advantages of CR and DR: Availability : a digital image can be transmitted electronically to distant locations and can exist simultaneously at multiple locations Flexibility: the appearance of a digital image can be modified Convenience: a digital image can be stored electronically without occupying physical space . anode X- ray tube. He filed for patent in 1913 and finally it was granted as US Patent 1,203,495 in 1916. A male technician taking an X- ray of a female patient in 1940 X RAY ATTENUATION X RAY ATTENUATION Timetable. NGUYEN XUAN THUC On 8 Nov, 1895, Wilhelm Conrad Röntgen (accidentally) discovered X- rays. A week after his discovery, Rontgen took an X- ray photograph of his wife's hand X RAY William. SYSTEMS CONVENTIONAL XTV DDR MOBILE CONVENTIONAL + DDR CR CR – COMPUTED RADIOGRAPHY Advantages of CR and DR: Availability : a digital image can be transmitted electronically to distant locations and can exist