A camera recorder: a portable electronic device for recording images and audio on to a storage device, hence functioning as a camera and a recorder in a single unit.
To record using a camcorder.
A device which scans documents in order to convert them to a digital medium.
One who scans.
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).