Abstract: Disclosed herein is system level occupancy counting in a lighting system configured to obtain an indicator data of a RF spectrum signal (signal) generated at a number of times in an area. At each respective one of the number of times, apply one of a plurality of heurist algorithm heuristic algorithm coefficients to each indicator data of the signal, based on results of the application of the heuristic algorithm coefficients, generate an indicator data metric value for each of the indicator data for the respective time. The lighting system is also configured to process each of the indicator data metric value to compute a plurality of metric values for the respective time and combine the plurality of metric values to compute an output metric value for each of a plurality of probable number of occupants in the area for the respective time. The lighting system is further configured to determine an occupancy count in the area at the respective time based on the computed output metric value.

Abstract: System level occupancy counting in a lighting system configured to obtain an indicator data of a RF spectrum signal (signal) generated at a number of times in an area. At each respective one of the number of times, based on results of application of heuristic algorithm coefficients, the lighting system generates an indicator data metric value for each of the indicator data for the respective time. The lighting system processes each of the indicator data metric value to compute a plurality of metric values for the respective time and combine the plurality of metric values to compute an output metric value for each of a plurality of probable number of occupants in the area for the respective time. The lighting system determines an occupancy count in the area at the respective time based on the computed output metric value.

Abstract: Disclosed herein is system level occupancy counting in a lighting system configured to obtain an indicator data of a RF spectrum signal (signal) generated by a number of receivers at a number of times in an area. At each respective one of the number of times, for each respective one of the receivers, apply one of a plurality of heurist algorithm heuristic algorithm coefficients to each indicator data of the signal, based on results of the application of the heuristic algorithm coefficients, generate an indicator data metric value for each of the indicator data for the respective time. The lighting system is also configured to process each of the indicator data metric value to compute a plurality of metric values for the respective time and combine the plurality of metric values to compute an output metric value for each of a plurality of probable number of occupants in the area for the respective time.

Abstract: The lighting device includes a luminaire, duplex circuitry, a lighting control device to control a light output and operation of a light source in a vicinity of the luminaire, and a sound transducer integrated on a surface of an element of the luminaire. The sound transducer responds to vibrations of the luminaire element to detect incoming audio waves and generates outgoing audio waves in the vicinity of the luminaire. The duplex circuitry is coupled to electrical terminals of the sound transducer and configured to generate a first electrical signal of the incoming audio waves, and supply a second electrical signal to cause the sound transducer to generate the outgoing audio waves in the vicinity of the luminaire that are directly proportional to the second electrical signal.

Abstract: Disclosed are examples of luminaires that provide light for general illumination and treat air via a biofilter. In the examples, a luminaire may include a light source configured to illuminate a space, a biofilter configured to treat air, and an air circulation system. The light source may be configured to illuminate a space in which the luminaire is located with general illumination light. The biofilter may include an air permeable membrane, a substrate, and a microorganism that treats air that comes in contact with the microorganism. The air circulation system is configured to draw air into contact with the biofilter and output air treated by contact with the biofilter into at least a portion of the space illuminated by the light source.

Abstract: Disclosed herein is a lighting system configured to obtain an indicator data of a RF spectrum signal generated by a number of receivers at a number of times in an area. At each respective one of the number of times, for each respective one of the receivers, apply one of a plurality of heuristic algorithm coefficients to each indicator data for the respective time, based on results of the applications of the coefficients to indicator data, generate an indicator data metric value for each of the indicator data for the respective time, and process the indicator data metric values to compute an output value. The lighting system is further configured to compare the output value at each of the plurality of times with a threshold to detect one of an occupancy condition or a non-occupancy condition in the area and control the light source in response to the detected one of the occupancy condition or the non-occupancy condition in the area at each of the number of times.

Abstract: Examples of systems and method track a location of an asset within a space using an asset tag location estimation system, track movement of a selected user, or user's mobile device, using a positioning system, and associate the tracked asset with the selected user, or user's mobile device, based on a determination of a trajectory of the asset and the mobile device. Trajectories of the user/mobile device and the asset tag may be determined by a backend server. The trajectory of the selected user/mobile device and the trajectory of the asset tag are compared by the backend server to determine a correspondence between the respective trajectories based on a predetermined correspondence criteria. The determined correspondence indicates that a user of the corresponding mobile device is moving the asset. In response to the determined correspondence, the backend server associates the asset tag to the selected user/mobile device in a database.

Abstract: The disclosure provides an example of a system including a radio frequency (RF) wireless communication network (network) including a plurality of nodes in an area and a computer coupled to the network. Each of the nodes includes a transmitter and a receiver. At plurality of times, each transmitter transmits RF spectrum signals (signals) and each receiver receives the signals and also generates an indicator data of a signal characteristic of the received signal propagated in the network. When each time among the plurality of times is a current time, the computer obtains the indicator data of the signal, determines a modification in the indicator data at the current time from the indicator data at a preceding time due to a movement of an occupant in the area and detect an occupancy condition in the area based on the modification in the indicator data and a parameter of a configuration of the network.

Abstract: Examples of systems and method track a location of an asset within a space using an asset tag location estimation system, track movement of a selected user, or user's mobile device, using a positioning system, and associate the tracked asset with the selected user, or user's mobile device, based on a determination of a trajectory of the asset and the mobile device. Trajectories of the user/mobile device and the asset tag may be determined by a backend server. The trajectory of the selected user/mobile device and the trajectory of the asset tag are compared by the backend server to determine a correspondence between the respective trajectories based on a predetermined correspondence criteria. The determined correspondence indicates that a user of the corresponding mobile device is moving the asset. In response to the determined correspondence, the backend server associates the asset tag to the selected user/mobile device in a database.

Abstract: The lighting device includes a luminaire, duplex circuitry, a lighting control device to control a light output and operation of a light source in a vicinity of the luminaire, and a sound transducer integrated on a surface of an element of the luminaire. The sound transducer responds to vibrations of the luminaire element to detect incoming audio waves and generates outgoing audio waves in the vicinity of the luminaire. The duplex circuitry is coupled to electrical terminals of the sound transducer and configured to generate a first electrical signal of the incoming audio waves, and supply a second electrical signal to cause the sound transducer to generate the outgoing audio waves in the vicinity of the luminaire that are directly proportional to the second electrical signal.

Abstract: A loadable cassette holds a planar light source, such as a flat OLED panel, along with a companion driver board in a manner that allows both the light source and driver board to be operatively and replaceably connected to a luminaire or lighting system. The cassette maintains an air gap between the light source and driver board so as to prevent heat produced by the driver board from damaging the light source.

Abstract: Examples of systems and method track a location of an asset within a space using an asset tag location estimation system, track movement of a selected user, or user's mobile device, using a positioning system, and associate the tracked asset with the selected user, or user's mobile device, based on a determination of a trajectory of the asset and the mobile device. Trajectories of the user/mobile device and the asset tag may be determined by a backend server. The trajectory of the selected user/mobile device and the trajectory of the asset tag are compared by the backend server to determine a correspondence between the respective trajectories based on a predetermined correspondence criteria. The determined correspondence indicates that a user of the corresponding mobile device is moving the asset. In response to the determined correspondence, the backend server associates the asset tag to the selected user/mobile device in a database.

Abstract: Disclosed are examples of luminaires that provide light for general illumination and treat air via a biofilter. In the examples, a luminaire may include a light source configured to illuminate a space, a biofilter configured to treat air, and an air circulation system. The light source may be configured to illuminate a space in which the luminaire is located with general illumination light. The biofilter may include an air permeable membrane, a substrate, and a microorganism that treats air that comes in contact with the microorganism. The air circulation system is configured to draw air into contact with the biofilter and output air treated by contact with the biofilter into at least a portion of the space illuminated by the light source.

Abstract: Disclosed are examples of luminaires that provide light for general illumination and detect toxins in air via a biosensor. In the examples, a luminaire may include a light source configured to illuminate a space, a biosensor configured to detect toxins in the air, and an air circulation system. The light source may be configured to illuminate a space in which the luminaire is located with general illumination light. The biosensor may include an air permeable membrane, a substrate, and a microorganism that responds to the presence of a toxin in the air that comes in contact with the microorganism. A sensor may detect the response by the microorganism of the presence of the toxin, and output a signal indicating the presence of the toxin based on the detected response. A processor coupled to the luminaire may receive the outputted sensor signal and output a report of the toxin.

Abstract: Disclosed is a system for displaying dynamic information from a remote information source at one or more locations within or outside a premises. The system includes a lighting network configured to enable communication of data to and from a plurality of lighting devices and at least one information display node positioned within or outside the premises and connected to the lighting network. The information display node includes a processor configured to receive dynamic information transmitted over the lighting network from a remote source, memory for locally storing image data, and a projector. The processor is configured to generate display data using a combination of the received dynamic information and the stored image data and the projector is configured to project the display data in a visually perceptible form in proximity to the information display node.

Abstract: Examples of systems and method track a location of an asset within a space using an asset tag location estimation system, track movement of a selected user, or user's mobile device, using a positioning system, and associate the tracked asset with the selected user, or user's mobile device, based on a determination of a trajectory of the asset and the mobile device. Trajectories of the user/mobile device and the asset tag may be determined by a backend server. The trajectory of the selected user/mobile device and the trajectory of the asset tag are compared by the backend server to determine a correspondence between the respective trajectories based on a predetermined correspondence criteria. The determined correspondence indicates that a user of the corresponding mobile device is moving the asset. In response to the determined correspondence, the backend server associates the asset tag to the selected user/mobile device in a database.

Abstract: Disclosed herein is a lighting system including a detector, which is configure to obtain an indicator data of a RF signal. The detector compares the indicator data with a baseline indicator data to generate a difference value and determines a rate of change from the indicator data. The detector also determines a data metric based on the rate of change and the difference value and compares the data metric with a transition threshold to detect one of an occupancy condition or a non-occupancy condition in the area. The lighting system also includes a light source, which is controlled in response to the detected one of the occupancy condition or the non-occupancy condition in the area.

Abstract: Disclosed herein is a lighting system configured to obtain an indicator data of a RF spectrum signal generated by a number of receivers at a number of times in an area. At each respective one of the number of times, for each respective one of the receivers, apply one of a plurality of heuristic algorithm coefficients to each indicator data for the respective time, based on results of the applications of the coefficients to indicator data, generate an indicator data metric value for each of the indicator data for the respective time, and process the indicator data metric values to compute an output value. The lighting system is further configured to compare the output value at each of the plurality of times with a threshold to detect one of an occupancy condition or a non-occupancy condition in the area and control the light source in response to the detected one of the occupancy condition or the non-occupancy condition in the area at each of the number of times.

Abstract: The disclosure provides an example of a system including a radio frequency (RF) wireless communication network (network) including a plurality of nodes in an area and a computer coupled to the network. Each of the nodes includes a transmitter and a receiver. At plurality of times, each transmitter transmits RF spectrum signals (signals) and each receiver receives the signals and also generates an indicator data of a signal characteristic of the received signal propagated in the network. When each time among the plurality of times is a current time, the computer obtains the indicator data of the signal, determines a modification in the indicator data at the current time from the indicator data at a preceding time due to a movement of an occupant in the area and detect an occupancy condition in the area based on the modification in the indicator data and a parameter of a configuration of the network.

Abstract: Examples of systems and method track a location of an asset within a space using an asset tag location estimation system, track movement of a selected user, or user's mobile device, using a positioning system, and associate the tracked asset with the selected user, or user's mobile device, based on a determination of a trajectory of the asset and the mobile device. Trajectories of the user/mobile device and the asset tag may be determined by a backend server. The trajectory of the selected user/mobile device and the trajectory of the asset tag are compared by the backend server to determine a correspondence between the respective trajectories based on a predetermined correspondence criteria. The determined correspondence indicates that a user of the corresponding mobile device is moving the asset. In response to the determined correspondence, the backend server associates the asset tag to the selected user/mobile device in a database.