Abstract: The present invention relates to a building management system based on identifiable marks that are arranged on terminal devices of a building and have a one-to-one correspondence with the terminal devices' own codes, the building management system comprising a user terminal, and the user terminal storing a database comprising codes of the terminal devices and comprising a scanning device for identifying and determining the identifiable marks, wherein an actual or relative location of the user terminal in the building can be determined by identifying and determining at least two identifiable marks. Moreover, the present invention further relates to an implementation method for the building management system based on identifiable marks. The building management system based on identifiable marks according to the present invention favors building management and the design, installation, debugging, management, and maintenance of terminal devices.

Abstract: Methods, systems and computer program products for integrating fire-protection systems in building design are provided. Aspects include receiving design data associated with a building. One or more fire-protection protocols are accessed. One or more fire-protection designs for the building are generated based at least in part on the one or more fire-protection protocols and the design data and the one or more fire-protection designs are integrated in to the design data.

Abstract: An aircraft pressurized air system and method is disclosed. The system includes a compressor that receives and compresses outside air, and an air cycle machine that receives compressed air from the compressor and directs conditioned air to an aircraft pressurized zone. The system also includes a contaminant sensor disposed along an air flow path between the compressor and the aircraft pressurized zone, comprising an optical guide, a metal organic framework on an exterior surface of the optical guide in operative fluid communication with air from the air flow path, a light source in communication with the optical guide at a first end of the optical guide, and a light detector in communication with the optical guide at a second end of the optical guide.

Abstract: A combined capability sensor includes a first laser source and a second laser source. The first laser source is configured to emit light having a wavelength in at least one of an infrared spectrum and a visible spectrum and the second laser source is configured to emit light having a wavelength in a blue or ultraviolet spectrum. A director is configured to direct the first and second laser source to a detection zone. A first sensor is configured to detect scattered light originating from the first laser source, thereby detecting a presence of smoke in the detection zone. A second sensor is configured to detect fluoresced light originating from the second laser source, thereby detecting a presence of a biological agent in the detection zone.

Abstract: A detection system for measuring one or more conditions within a predetermined area includes at least one fiber optic cable for transmitting light, the at least one fiber optic cable defining a plurality of nodes arranged to measure the one or more conditions. A control system is in communication with the at least one fiber optic cable such that scattered light and a time of flight record is transmitted from the at least one fiber optic cable to the control system. The control system includes a detection algorithm operable to identify a portion of the scattered light associated with each of the plurality of nodes and indicate a presence and magnitude of the one or more conditions at each of the plurality of nodes.

Abstract: In accordance with at least one aspect of this disclosure, an ultraviolet radiation (UV) sensor includes a UV sensitive material and a first electrode and a second electrode connected in series through the UV sensitive material such that UV radiation can reach the UV sensitive material. The UV sensitive material can include at least one of zinc tin oxide, magnesium oxide, magnesium zinc oxide, or zinc oxide. The electrodes can be interdigitated comb electrodes.

Abstract: A method of measuring one or more conditions within a predetermined area includes receiving at a control system a signal including scattered light and time of flight information associated with a plurality of nodes of a detection system, parsing the time of flight information into zones of the detection system, identifying one or more features within the scattered light signal, and analyzing the one or more features within the scattered light signal to determine a presence of the one or more conditions within the predetermined area.

Abstract: An aircraft pressurized air system and method is disclosed. The system includes a compressor that receives and compresses outside air, and an air cycle machine that receives compressed air from the compressor and directs conditioned air to an aircraft pressurized zone. The system also includes a contaminant sensor disposed along an air flow path between the compressor and the aircraft pressurized zone, comprising an optical guide, a metal organic framework on an exterior surface of the optical guide in operative fluid communication with air from the air flow path, a light source in communication with the optical guide at a first end of the optical guide, and a light detector in communication with the optical guide at a second end of the optical guide.

Abstract: A detection system for measuring one or more conditions within a predetermined area includes a fiber harness having at least one fiber optic cable for transmitting light. The at least one fiber optic cable defines a node arranged to measure the one or more conditions. A control system is operably coupled to the fiber harness such that a signal indicative of scattered light associated with the node is transmitted to the control system. The control system analyzes the signal associated with the node in one or more of a frequency domain, time-frequency domain, time domain, and spatial domain, to determine at least one of a presence and magnitude of the condition within the predetermined area.

Abstract: A scanner of an optical detection system includes a housing, an optical surface coupled to the housing, and an actuator coupled to the optical surface. The optical surface is movable to direct light into an area being scanned and to receive a reflected light pulse from the area being scanned. The actuator is operable to agitate the optical surface to remove debris from the optical surface.

Abstract: A detection system for measuring one or more conditions within a predetermined area includes a fiber harness having at least one fiber optic cable for transmitting light, a plurality of nodes operably connected to the at least one fiber optic cable arranged to measure one or more conditions within the predetermined area, a coupling to connect each node of the plurality of nodes to the at least one fiber optic cable, and a control system operably coupled to the fiber harness such that scattered light associated with the node is transmitted to the control system, wherein the control system analyzes the scattered light to determine at least one of a presence and magnitude of the one or more conditions at the node.

Abstract: An example screening system includes a plurality of detectors about a screening area. Each detector includes a sensor configured to detect information from one or more objects moving along a path from an entrance to an exit of the screening area. The plurality of detectors include a first detector configured to detect information from a first location of the path, and a second detector configured to detect information from a second location of the path. The second detector is configured to adapt its functionality based on a finding of the first detector for a given one of the one or more objects.

Abstract: A detection system for measuring one or more conditions within a predetermined area includes a fiber harness having at least one fiber optic cable for transmitting light, the at least one fiber optic cable defining a node arranged to measure the one or more conditions. A control system is operably coupled to the fiber harness such that scattered light associated with the node is transmitted to the control system, wherein the control system analyzes the scattered light to determine at least one of a presence and magnitude of the one or more conditions at the node. An optical enhancement device is operably connected to the fiber harness or to the control system to reduce interference sources transmitted from the node.

Abstract: A detection system includes a central manifold including a detection chamber, a pipe network including at least one pipe fluidly coupled to the central manifold, a plurality of inlets formed over a length of the at least one pipe and an aspirating mechanism operable to draw a fluid flow at each of the plurality of inlets through the pipe network to the central manifold. A plurality of independently operable flow control devices is associated with the plurality of inlets. At least one of the plurality of flow control devices includes a solid state flexible polymer deformable in response to application of a voltage.

Abstract: A system for detection and monitoring includes one or more light sources configured to emit light into a monitored space. At least one of the light sources is configured to emit a respective emission cone having a respective emission cone axis. One or more light sensing devices are configured to receive scattered light. At least one of the one or more light sensing devices defines a respective acceptance cone having a respective acceptance cone axis. The emission cone axis of the emission cone, and/or the acceptance cone axis of the light sensing device is angled toward the other. A processor is operatively connected to the at least one light sensing devices to evaluate the scattered light for the presence of particulates in the monitored space.

Abstract: A detection system for measuring the presence of one or more conditions in a predetermined area includes a fiber harness having at least one fiber optic cable for transmitting light. The at least one fiber optic cable defines a node arranged to measure the one or more conditions. The node is arranged such that light scattered by an atmosphere adjacent the node is received by at least one core of the fiber optic cable. A control system operably connected to the fiber harness includes a light source for transmitting light to the node and a light sensitive device configured to receive scattered light associated with the node. The control system analyzes more than one signal corresponding to more than one wavelength of the scattered light associated with the node to determine at least one of a presence and magnitude of the one or more conditions at the node.

Abstract: A system for particulate detection and monitoring includes one or more light sources configured to emit light into a monitored space. The system includes at least two light sensing devices configured to receive scattered light. Respective sensing portions of the three two sensing devices share a common centerline axis. A processor is operatively connected to the two light sensing devices and is configured to evaluate the scattered light for presence of particulates in the monitored space.

Abstract: In accordance with at least one aspect of this disclosure, an ultraviolet radiation (UV) sensor includes a UV sensitive material and a first electrode and a second electrode connected in series through the UV sensitive material such that UV radiation can reach the UV sensitive material. The UV sensitive material can include at least one of zinc tin oxide, magnesium oxide, magnesium zinc oxide, or zinc oxide. The electrodes can be interdigitated comb electrodes.

Abstract: A detector for detecting a hazardous safety condition. The detector includes a housing, an electrochromic material disposed within the housing, and a power source in operative electrical communication with the electrochromic material, the electrochromic material providing a visual display to indicate a condition of the detector.

Abstract: An indoor air quality monitoring system (20) is adapted to function within a space (26) utilizing a building subsystem (22), such as a heating ventilation air conditioning (HVAC) unit, configured to control an ambient parameter, such as temperature, humidity or lightning, in the space (26). The system (20) includes an agent detector (30) configured to detect an agent in ambient air, such as smoke, biohazards or particulate matter, and sequentially output an initial agent measurement signal and a subsequent agent measurement signal. A controller (34) of the system (20) includes a processor and a storage media.