Skip to main content

Entry/Exit Screens

The use of entry and exit systems encompasses a range of entry and exit control strategies. In recent years there has been a growth of the use of Electronic Article Surveillance Systems (EAS) in retailing outlets. With these systems, products are tagged in a shop and, if not deactivated when they are taken out of the shop, trigger an alarm thus increasing the likelihood of shoplifters being caught. These type of systems have been familiar in public libraries for a much longer period. A more basic example of this type of strategy is searching an individual's baggage on leaving premises. Other examples include ticket systems on public transport. On London Underground stations, access control machines regulate entry and exit, those without a ticket being prevented from entering or leaving the station