Abstract: The specification and drawings present a use of multiple microphones for increasing acoustic sensing capabilities by processing acoustic signals from the multiple microphones in outdoor luminaire mounted surveillance/sensor systems. For example, various embodiments presented herein describe signal processing means to utilize stereo/multiple microphones in a luminaire (such as an outdoor roadway luminaire) to provide enhanced information regarding the surroundings of the luminaire. The multiple microphone luminaire sensor processing system can provide a more environmentally robust and sensitive approach which can be, for example, resistant to environmental noise such as a wind noise, as well as capable of isolating specific sounds from the surroundings, e.g., in specific directions.

Abstract: The specification and drawings present a new apparatus such as a lighting apparatus, the apparatus comprising at least one LED (or OLED) module, configured to generate a visible light such as white light, and at least one component such as optical component comprising a compound consisting essentially of the elements neodymium (Nd) and fluorine (F), and optionally including one or more other elements. The lighting apparatus is configured to provide a desired light spectrum by filtering the generated visible light using the compound. The at least one component can comprise a NdFxOy compound with values of x and y determining a content ratio F/O, which may be adjusted during manufacturing of the NdFxOy compound to provide desired output light parameters of the apparatus including at least a desired output light spectrum realized by filtering the generated visible light using the NdFxOy compound.

Abstract: A roadway fixture system includes a lighting fixture having an outer housing that holds one or more light devices. The outer housing includes an access door through which an interior of the lighting fixture is accessible. The system also includes a radio frequency (RF) transceiver configured to send and receive cellular communications. The RF transceiver includes a mounting plate that is sized and shaped to fit into a space occupied by the access door of the outer housing of the lighting fixture so that the RF transceiver is mounted to the lighting fixture.

Abstract: The specification and drawings present packaging for integrating a microphone into an outdoor luminaire that provides high sensitivity and dynamic range together with being waterproof, resistant to impact and wind noise, environmentally resistant and unobtrusive to passers-by. Various embodiments describe packaging of outdoor luminaire mounted microphones to achieve waterproof and minimized unwanted noise performance, and other desirable features.

Abstract: Systems and methods for navigating an unmanned aerial vehicle are provided. One example aspect of the present disclosure is directed to a method for navigating an unmanned aerial vehicle. The method includes capturing, by one or more processors associated with a flight management system of an unmanned aerial vehicle, one or more images. The method includes assessing, by the one or more processors, signals from an inertial measurement unit (IMU). The method includes processing, by the one or more processors, the one or more captured images based on the assessed signals to generate one or more corrected images. The method includes processing, by the one or more processors, the one or more generated corrected images to approximate position data. The method includes causing, by the one or more processors, the unmanned aerial vehicle to be controlled based on the position data.

Abstract: A system includes an imaging system having a housing with a window, an imaging device within the housing having a field-of-view containing at least a portion of the window, a dark-field illuminator source within the housing directed at that portion of the window within the field-of-view, a control processor in communication with the imaging device and configured to execute instructions that cause the imaging device to acquire a first series of images with the dark-field illuminator source not activated, the control processor configured to control activation of the dark-field illuminator source, the imaging device configured to capture additional images during acquisition of the first series of images, the additional images captured during periods when the dark-field illuminator source is activated. In some implementations, dark-field illuminator can be synched with frame acquisition rate of the first series of images. A method and a non-transitory computer readable medium are also disclosed.

Abstract: A composite material (11,21) for light filtering, comprising: a polymeric matrix material and particles of neodymium compound doped in the polymeric matrix material. A lighting apparatus (10,20) comprises the composite material. A method for determining a doping concentration of particles of neodymium compound in the composite material, and a method for determining a thickness of the composite material are also described.

Abstract: An assembly is disclosed, which comprises a light fixture comprising a light source thereon; an image capturing device mounted adjacent with the light source; and a housing covering the image capturing device, wherein the housing has a window within a field of view of the image capturing device; wherein at least a portion of the window serving as working optical surface of the image capturing device is located within a shadow of direct light from the light source of the light fixture.

Abstract: The specification and drawings present a use of multiple microphones for increasing acoustic sensing capabilities by processing acoustic signals from the multiple microphones in outdoor luminaire mounted surveillance/sensor systems. For example, various embodiments presented herein describe signal processing means to utilize stereo/multiple microphones in a luminaire (such as an outdoor roadway luminaire) to provide enhanced information regarding the surroundings of the luminaire. The multiple microphone luminaire sensor processing system can provide a more environmentally robust and sensitive approach which can be, for example, resistant to environmental noise such as a wind noise, as well as capable of isolating specific sounds from the surroundings, e.g., in specific directions.

Abstract: The specification and drawings present a new apparatus such as a lighting apparatus, the apparatus comprising at least one LED (or OLED) module, configured to generate a visible light such as white light, and at least one component such as optical component comprising a compound consisting essentially of the elements neodymium (Nd) and fluorine (F), and optionally including one or more other elements. The lighting apparatus is configured to provide a desired light spectrum by filtering the generated visible light using the compound. The at least one component can comprise a NdFxOy compound with values of x and y determining a content ratio F/O, which may be adjusted during manufacturing of the NdFxOy compound to provide desired output light parameters of the apparatus including at least a desired output light spectrum realized by filtering the generated visible light using the NdFxOy compound.

Abstract: In an embodiment, the disclosure provides a light source comprising at least one solid state light emitter. The light source, in operation, emits substantially white light having a Lighting Preference Index (LPI) of at least about 105, and this emission from the light source comprises a UV-violet flux of at least about 1%. Use of the lamps, light sources, and methods of the present disclosure may afford the ability to display linens and clothing under energy-efficient LED-based illumination, and may impart an effect to (especially white) clothing, that makes them look cleaner than under illumination by prior art LED lamps.

Abstract: The specification and drawings present a use of multiple microphones for increasing acoustic sensing capabilities by processing acoustic signals from the multiple microphones in outdoor luminaire mounted surveillance/sensor systems. For example, various embodiments presented herein describe signal processing means to utilize stereo/multiple microphones in a luminaire (such as an outdoor roadway luminaire) to provide enhanced information regarding the surroundings of the luminaire. The multiple microphone luminaire sensor processing system can provide a more environmentally robust and sensitive approach which can be, for example, resistant to environmental noise such as a wind noise, as well as capable of isolating specific sounds from the surroundings, e.g., in specific directions.

Abstract: A general illumination lighting system and/or at least one targeted surface illumination lighting system. The general illumination lighting system including a general illuminating light source configured to generate light toward one or more surfaces or materials to inactivate one or more pathogens on the one or more surfaces or materials. The at least one targeted surface illumination lighting system including one or more targeted surface illuminating light sources that are integrated into or coupled to a plurality of devices, equipment, or fixtures. The one or more targeted surface illuminating light sources configured to generate targeted light toward one or more surfaces of the devices, equipment, or fixtures to inactivate one or more pathogens on the one or more surfaces. The light from the general illuminating light source and the one or more targeted surface illuminating light source including an inactivating portion having wavelengths in a range of 280 to 380 nanometers.

Abstract: Provided is a method and a system for multi-channel acoustic communication and sensing. For example, there is provided a system that includes a processor and a memory. The processor, when executing instructions from the memory, can perform certain operations. The operations can include classifying a motion detected near an ultrasonic receiver based on a Doppler shift observed in a signal measured by the ultrasonic receiver. The classifying can further include detecting a side lobe in a power spectrum of the signal to indicate that the motion has been detected.

Abstract: There is provided an ultrasonic bridge for ultrasonic-based wireless communication. For example, there is provided an ultrasonic bridge that includes a microphone configured to transduce an ultrasound into an analog voltage. The ultrasonic bridge further includes hardware configured to convert the analog voltage to digital information. The ultrasonic further includes a transceiver configured to send the digital information wirelessly to a remote device via one of an RF link and a light-based link.

Abstract: A roadway fixture system includes a lighting fixture having an outer housing that holds one or more light devices. The outer housing includes an access door through which an interior of the lighting fixture is accessible. The system also includes a radio frequency (RF) transceiver configured to send and receive cellular communications. The RF transceiver includes a mounting plate that is sized and shaped to fit into a space occupied by the access door of the outer housing of the lighting fixture so that the RF transceiver is mounted to the lighting fixture.

Abstract: According to some embodiments, a system and housing provide a lamp including a heat sink including: an annular tube including a first end and a second end, a plurality of fins extending radially from an exterior surface of the annular tube, wherein a length of each fin extends from the first end of the annular tube to the second end of the annular tube; a plurality of light sources in thermal contact with the heat sink; a driver circuit operative to provide the input voltage and current for the plurality of light sources; and a capper positioned at the second end of the annular tube, wherein the capper is operative to be received in a socket. Numerous other aspects are provided.

Abstract: A lighting system includes a light source configured to generate light toward one or more surfaces or materials to inactivate one or more pathogens on the one or more surfaces or materials. The light includes an inactivating portion having wavelengths in a range of 280 to 380 nanometers.

Abstract: There are provided methods and apparatuses for autonomous lighting control. For example, there is provided a lighting system that includes a first node associated with a first lighting fixture and a second node associated with a second lighting fixture. The first node may be communicatively coupled to a sensor. Further, the first node may be configured to fetch or receive data from the sensor, and, based on the data, the first node may communicate a command to the second node. The command may include an instruction to alter a light output at the second lighting fixture.