DSI

Owners

Goods & Services

Automatic optical turnstiles, acoustic sound and signal alarms for doors, annunciators; anti-tailgating and anti-piggybacking systems, namely, automated security gates, automated security doors and automatic barrier arm turnstiles, wall mounted tailgate detection control in the nature of security control panels and motion detectors, annunciators, key switches in the nature of on and off electrical switches used for use with a key, acoustic sound alarms, electrical control panels in the nature of visible or audible annunciator panels for remote alarm or operation event notification all for the prevention of unauthorized access through secured entrances; electronic access control and alarm monitoring systems parts, namely, pushbutton and key switches for controlling door security