EP1993083A2
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Smoke detection device and method
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EP1953720A1
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Method and system for evaluating the quality of a radio connection between two wireless devices
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EP1903524A1
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Smoke detector
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EP0957463A2
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Articulate element for fixing to a wall and/or a ceiling a detecting device, in particular an anti-intrusion device
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EP0936588A1
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Infrared radiation focussing lens and its making process
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ITTO940865D0
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Protection system for acoustic monitors
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ITTO920563D0
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Control device, for example, for security systems such as proximity detection systems and/or anti-intruder systems
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ITTO920125D0
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Integrated system for alarm signalling
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US5243326A
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Device for protecting components of security systems against obstruction
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EP0370965A2
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A device for detecting relative movement between vehicles, mainly for preventing collisions
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EP0337964A1
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A combined microwave and infra-red detector device, particularly for anti-intrusion systems
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EP0255812A2
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Monitoring device with infrared and radio-frequency sensor components
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EP0219466A2
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Improved apparatus for indicating the passage of an intruder across the boundary of a predetermined region
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