An access control system without barriers in which those attempting to enter are evaluated by closed-circuit television or other visual means.
More example sentences
- At the Blue Cross-Blue Shield headquarters, optical turnstiles form the backbone of an access control system.
- For example, optical turnstiles are now being designed into many high-rise office buildings as well as virtually every government building and high-security facility.
- One solution that has drawn a good deal of interest is optical turnstiles, which can handle thousands of people in the morning rush effectively and efficiently, says Terry Gillick, vice president of Syska Hennessy Group.