Honeywell International Inc.

Lorenzo Luterotti

Dragan Petrovic

Mauro Ceppa

A multi-frequency photoelectric smoke detector includes a multi-frequency, source and an multi-frequency sensing array. The array can be part of a solid state camera which can be used to sense scattered multi-frequency light. Multiple wavelength signals, red, blue green for example, emitted by the camera can be analyzed to determine a degree of airborne particulate matter in a sensing region between the source and the array.

Smoke detectors

A detector of human emitted Blackbody radiation includes a plurality of series connected thermocouples. A lens can be associated with each of the thermocouples. Incoming radiation produces a different response in each of the thermocouples in accordance with a respective angle of arrival even from a motionless radiation source.

System and method of detecting human presence

A mounting apparatus usable with ambient condition detectors includes first and second mounting bases spaced apart axially along a common center line. Respective detectors can be coupled to the bases as required in a specific installation.

False ceiling fire detector assembly

An aspirated smoke detector includes a flow path and a generator of acoustic waves in the flow path. Airborne particulate matter in the flow path responds to the acoustic field by particle agglomeration; the resulting larger particles flow into a photoelectric-type smoke sensor. A sensed level of particles can be processed, or compared to one or more predetermined thresholds to establish presence of one or more predetermined conditions.

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Gorizia, Italy

Lorenzo Luterotti