| 摘要 |
A security system for a vestibule and, more specifically, a security vestibule is equipped with monitoring devices to monitor the presence of an intruder. The monitoring devices transmit signals to warning devices, such as a speaker which broadcasts an audible message as well as a siren and a flashing light which produce audible and visual signals, respectively, to attract attention exteriorly of the vestibule. The monitoring devices further transmit signals to deterrent devices which disturb or offend the person. The devices are of the type which disperse foul scents, dispense dyes to mark the person, disperse water at varying temperatures, and discharge electrical shock.
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