scan head

Definitions

Computing

  • noun a device used in scanners, photocopiers, and fax machines, which uses photo-electric cells to turn an image into a pattern of pixels

Electronics

  • In a scanning device, such as a barcode scanner or fax, the sensing device which is moved or otherwise employed while scanning. Also called scanning head.
http://www.dictionarycentral.com/definition/scan-head.html