A high-quality image-capture device. The image to be capture is wrapped around a drum that spins very fast while a light source scans across it to capture a digital version of the image
A high-quality image-capture device. The image to be capture is wrapped around a drum that spins very fast while a light source scans across it to capture a digital version of the image. 
A type of optical scanner where a flexible original is mounted to a rotating drum. As the drum spins, light is captured from the image point by point, using a photomultiplier tube detector.