scanner

One that scans.

A receiver that continuously broadcasts signals it detects from specified radio frequencies.

An optical scanner.

A device, such as a CT scanner or PET scanner, for observing internal organs, tissues, and other parts of the body.

A device which scans documents in order to convert them to a digital medium.

A radio receiver which iterates through a sequence of frequencies to detect signal.

A device which uses radiation (ultrasound, X-ray, etc.) to generate images of tissue or surfaces for diagnostic purposes.

A device which uses optics to detect printed data (such as a barcode).

One who scans.

someone who scans verse to determine the number and prosodic value of the syllables