Scanner

Scanner may refer to:

For invisible radiation

 * Scanner (radio), for searching for and receiving radio broadcasts
 * Scanner, a rotating radar antenna
 * Neutron scanner, a scanner which utilizes neutrons to analyze objects

For (near) light

 * Image scanner, which digitizes a two-dimensional image
 * 3D scanner, which digitizes the three-dimensional shape of a real object
 * Motion picture film scanner, which scans original film for storage as a digital file
 * Barcode reader, which reads the data encoded in a barcode
 * Laser scanner, which guides a laser beam along a path, sometimes combined with a measurement
 * Stepper, a part of the photolithography process
 * Scanner, an automated stage light

Security

 * Biometric device, a security identification and authentication device
 * Face scanner
 * Iris scanner
 * Retinal scanner
 * Fingerprint scanner
 * Full body scanner

Computing

 * Port scanner, in computer networking
 * Virus scanner
 * Vulnerability scanner, a computer program that probes for weaknesses
 * Lexical analyzer, a computer program
 * Scanner (software), a disk space analyzing and management tool for Microsoft Windows

Medical

 * CT scanner
 * MRI scanner
 * PET scanner
 * X-ray scanner

Other

 * Scan tool, an automotive electronic control unit diagnostic tool

Arts and entertainment

 * Scanner (band), a German speed metal band
 * Scanners (band), an alternative band from London
 * "Scanners Live in Vain", science fiction story written in 1945 by Cordwainer Smith
 * Scanner, the stage name of British electronic musician Robin Rimbaud
 * Scanner (Code Lyoko), a fictional teleportation device
 * Scanner (Half-Life), a floating enemy in the Half-Life video game series
 * Scanners, a 1981 science fiction horror film
 * "Scanners" (Superstore), an episode of the television series Superstore