Supermarket check-out counter showing bar-code reader in use. Bar codes consist of a row of parallel lines of varying thickness that permit fast error-free entry of data into a central computer. In this retail application the scanner (the light pen) is fixed,and the supermarket products with their individual codes pass along a conveyor and past the red light of the scanner,which records the bar code; details of date,unit cost,product name and other stock control data are inputted into the computer to be used for future accounting and stock control purposes | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Shambroom, Paul |
Taille de l’image : | 3752 px × 2480 px |
Model Release : | Le droit n'est pas encore disponible. Merci de nous contacter avant utilisation. |
Property Release : | Non requis |
Restrictions : |
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