Fire alarm algorithm using smoke and gas sensors
First Claim
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1. A method of detecting fires, the method comprising the steps of:
- detecting levels of carbon monoxide, carbon dioxide, and smoke in an ambient environment;
computing over time rates of increase of each of the levels; and
generating an alarm if one or more of the rates of increase exceed predetermined threshold rates of increase.
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Abstract
An apparatus for and method of detecting fires comprising detecting (with one or more detectors) levels of carbon monoxide, carbon dioxide, and smoke in an ambient environment, computing (using a processor) over time rates of increase of each of the levels, and generating an alarm if one or more of the rates of increase exceed predetermined threshold rates of increase.
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Citations
26 Claims
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1. A method of detecting fires, the method comprising the steps of:
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detecting levels of carbon monoxide, carbon dioxide, and smoke in an ambient environment; computing over time rates of increase of each of the levels; and generating an alarm if one or more of the rates of increase exceed predetermined threshold rates of increase. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An apparatus for detecting fires, said apparatus comprising:
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one or more detectors detecting levels of carbon monoxide, carbon dioxide, and smoke in an ambient environment; a processor computing over time rates of increase of each of the levels; and an alarm system triggered if one or more of the rates of increase exceed predetermined threshold rates of increase. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification