Automatic audio systems for fire detection and diagnosis, and crew and person locating during fires
First Claim
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1. A system comprising:
- a plurality of audio modules, at least one module including at least one audio output transducer and at least one audio input transducer;
a common control unit in communication with the plurality of modules;
an output device coupled to the control unit, the control unit presents at least audio information received at various of the modules, via the output device, with the presented audio indicative of the presence of individuals or selected environmental conditions in the vicinity of the respective module.
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Abstract
A system and method that use audio feedback from a region being monitored can provide location information pertaining to fire or individuals in the region. Units of a public address system can each be equipped with a microphone. Audio from the microphones can be processed at a common location, such as an alarm control panel. The audio can provide fire profiles as well as information as to individuals in the region being monitored.
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Citations
33 Claims
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1. A system comprising:
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a plurality of audio modules, at least one module including at least one audio output transducer and at least one audio input transducer;
a common control unit in communication with the plurality of modules;
an output device coupled to the control unit, the control unit presents at least audio information received at various of the modules, via the output device, with the presented audio indicative of the presence of individuals or selected environmental conditions in the vicinity of the respective module. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of monitoring a region comprising:
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sensing audio signals from spaced apart locations in the region;
analyzing the sensed audio signals and displaying locations of origination therefore. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A system comprising:
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a plurality of audio input transducers;
at least one audio output transducer;
a control unit in communication with the output transducer and the plurality of input transducers;
a user interface device coupled to the control unit;
the control unit presents at least location related audio information, received at various input transducers, via the interface device with the presented audio indicative of the presence of individuals or certain environmental conditions in the vicinity of the respective module. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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Specification