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US 7,804,402 B2Granted
Fire detectors with environmental data input
AssigneeHoneywell International Inc.
InventorsScott R. Lang, Timothy A. Rauworth
Life of this patent
Estimating the term…
Abstract
Regional physical information can be entered along with automatically sensed ambient condition information into regional monitoring system. Alarm decision processing can be adjusted in accordance therewith.
Claims16
A method comprising:
- providing a fire detector having a plurality of environmental monitoring devices disposed in an ambient airflow proximate the fire detector;
- acquiring a plurality of parameters indicative of the physical characteristics of a region;
- and
- providing the parameters as inputs to an alarm condition detection process, and, responsive thereto, adjusting sensitivities of at least some of the environmental monitoring devices;
- and
- sensing, automatically, an ambient condition of the region proximate the fire detector by at least one of the plurality of environmental monitoring devices of the fire detector and providing indicia indicative of the conditions as inputs to the alarm condition detection process, and, responsive thereto, adjusting a sensitivity of at least one other of the environmental monitoring devices of the fire detector.
3 more elements
A method comprising:
- providing a fire detector having a plurality of environmental monitoring devices disposed in an ambient airflow proximate the fire detector;
- sensing, automatically, an ambient condition of a region proximate the fire detector at least partially via one of the plurality of environmental monitoring devices of the fire detector;
- and
- providing the indicia indicative of the conditions as inputs to an alarm condition detection process, and, responsive thereto, automatically adjusting a sensitivity of at least one other of the environmental monitoring devices of the fire detector.
1 more element
A system comprising:
- a fire sensor;
- a plurality of ambient condition detectors located within the fire sensor and exposed to an ambient airflow proximate the detector;
- and
- control circuitry coupled to the fire sensor, the circuitry responding to at least some of manually entered regional parameters and automatically acquired parameters indicative of selected regional ambient conditions the automatically acquired parameters sensed by at least one of the plurality of ambient condition detectors and including software to adjust a sensitivity of at least one other of the environmental monitoring detectors of the fire detector in response thereto.
1 more element
Dependencies are inferred from the claim text.