Slot card bar code scanners are designed to read imprinted bar code cards that are passed through the aperture on the reader

Charged coupled device (CCD) image sensors are electronic devices that are capable of transforming a light pattern (image) into an electric charge pattern (an electronic image).

Bar code cards are computer boards that contain storage, font macros, and logic for printing barcodes

Machine vision systems are used for automated inspection and measurement in production environments.

Helium neon (HeNe) lasers have an emission that is determined by neon atoms by virtue of a resonant transfer of excitation of helium.

Imaging workstations are vision systems used for metrology or image analysis in laboratory and cleanroom settings.

Hand held bar code scanners are used typically as inventory or point of sale (POS) devices.