Importance

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Abstract

An intelligent alarm system includes exit sign units having couplings to a smoke sensor and heat sensor for input information, a speech synthesizer and a strobe light to provide output information and a communication unit to provide communication coupling between exit sign units on a single floor and between interfloor interfaces and a central monitoring unit. The exit sign units provide at least two indications to the occupants. First a strobe light to flash at exits with sufficient intensity to draw attention to the exit and to penetrate smoke in a smoke filled hallway. Second, a speech synthesizer which provides verbal instructions to floor occupants according to the emergency situation. Each exit sign unit is operative independently of the central monitoring unit to set off a local alarm. The system is operative so that the central console unit must respond with a cancel command within a predetermined period of time to prevent the interfloor interface from communicating to all exit sign units under its supervision to set off a general floor alarm. Precise instructions may be formulated and verbalized through the speech synthesizers.

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First Claim