Abstract: In various embodiments, a lighting control apparatus (100) may include logic such as a controller (102, 202, 302, 502) and a thermal imaging sensor (108, 208, 308, 408a-b, 508) operably coupled with the controller. The thermal imaging sensor may have at least one field of view (110, 210, 310, 410a-b, 510) pointed at a surface (112, 212, 312, 412a-b, 512, 612). The surface may exhibit various degrees of thermal conductivity. The controller may be configured to: receive a signal from the thermal imaging sensor, the signal being indicative of heat (114) captured by the surface and sensed by the thermal imaging sensor. Based on the signal received from the thermal imaging sensor, the controller may cause one or more light sources (104, 204, 304, 504) to emit light having one or more selected properties.

Abstract: The invention relates to a method for determining an unknown position, i.e. height and/or orientation, of a light source within a locality. The determination is based on a first image of a scene within the locality acquired by a camera in such a manner as to contain a light footprint of light emitted by the light source from the unknown position. The method includes steps of processing the first image to determine one or more characteristics of the at least the portion of the light footprint within the first image, comparing the determined characteristics with one or more corresponding known characteristics of a light footprint of light emitted by the light source from a known position to determine a deviation between the determined and the known characteristics, and determining the unknown position of the light source based on the determined deviation.

Abstract: A lighting system comprises a light source such as a luminaire for illuminating a surface and a detector for detecting light reflected from the surface to generate a detection signal. The detection signal is processed for different illumination conditions of the surface and is adapted to derive reflectance distribution information in respect of the surface. The light source is controlled in dependence on the reflectance distribution information. The system thus includes a system for measuring surface reflectance by using a detector and observing the light reflectance from dynamic light sources.

Abstract: A controller comprising: an output for controlling one or more outdoor lighting device to illuminate an outdoor environment; an input for receiving temperature information from a temperature sensor comprising a plurality of temperature sensing elements; and a control module. The control module is configured to: use the temperature information received from the temperature sensor to detect motion in a sensing region of the temperature sensor and control the one or more lighting device based on the detected motion, and additionally use the temperature information received from the temperature sensor to detect conditions of the environment in the sensing region and further control the one or more lighting device based on the detected conditions.

Abstract: A gating module for use in a lighting system comprising at least one sensor module each comprising at least one sensor and a lighting network comprising at least one luminaire, the gating module configured to: receive sensor data obtained by the at least one sensor module; receive an input signal; determine based on the input signal and predetermined rules stored in a memory which parts of the sensor data are to be supplied to at least one luminaire controller for use in controlling the at least one luminaire; and only supply the determined parts of the sensor data to the at least one luminaire controller.

Abstract: A luminaire comprising: at least one light source for emitting light to illuminate an environment; an optical sensor comprising an array of photodetectors, the sensor configured to output image data indicative of the intensity of light incident on the photodetectors; and a controller arranged to receive the image data, the controller comprising: a presence detection module configured to process the image data to detect whether a being is present in said environment, and control the light emitted by the light source(s) responsive to said detection; a light sensing module configured to process the image data to determine a light level in said environment and control the light emitted by the light source(s) based on said light level; and a commissioning module configured to control the controller to operate in a commissioning mode based on the image data; and configure the luminaire in accordance with a commissioning command received whilst the controller is operating in the commissioning mode.

Abstract: A light emitting device (100) for emitting a beam of light is disclosed. The light emission of the light emitting device (100) comprises an embedded code. The light emitting device (100) comprises a beam shape controller (102) for controlling a shape of the beam of light and a first processor connected to the beam shape controller, arranged for generating the embedded code. The first processor (104) is further arranged for embedding a message in the embedded code based on the shape of the beam of light. This allows the light emitting device (100) to communicate information to a receiving device based on its effect area (i.e. the illuminated area). This information may, for example, comprise information about the beam shape and size, which may be used to determine an area wherein the receiving device is located relative to the light emitting device (100).

Abstract: Disclosed is an illumination system (100) and method (600) for generating a predefmed illumination pattern on an area (10). The system comprises a plurality of luminaires (110), each luminaire having an orientation adjustment mechanism and being arranged to generate a contribution (210, 210?) to said illumination pattern on a part of said area; a plurality of cameras (120), each camera associated with one of said luminaires for capturing an image of an illuminated part of said area including the contribution generated by said as sociated luminaire; and a control unit (130) adapted to facilitate the generation of the predefmed illumination pattern by evaluating one of said images to determine a deviation from the predefmed illumination pattern for the illuminated part of said area captured in said image; selecting a luminaire from said plurality of luminaires from information contained in a light plan and generating an orientation adjustment signal for the selected luminaire based on the determined deviation.

Abstract: A method (500) for monitoring rotation of a lighting unit (200) includes the steps of: providing (510) a lighting unit comprising a sensor (32), a controller (22), a first gear (212) configured to rotate the lighting unit about a first axis, and a second gear (214) configured to rotate about a second axis, wherein the second axis is substantially perpendicular to the first axis; rotating (520) one of the first and second gears, wherein the rotation causes rotation of the lighting unit about the first axis from a first position to a second position; generating (530), by the sensor in response to rotation of the second gear, sensor data; and translating (540), by the controller, the sensor data into information about rotation of the first gear.

Abstract: A luminaire comprising: at least one light source arranged to emit light to illuminate an outdoor environment of the luminaire; at least one sensor, each of the at least one sensor arranged to provide a sensor output signal; a control module arranged to receive the sensor output signal from each of the at least one sensor and configured to communicate with a component of the luminaire based on the at least one sensor output signal; and a precipitation detection module arranged to receive the at least one sensor output signal and configured to detect occurrence of precipitation in the outdoor environment based on the at least one sensor output signal and control the light emitted from the at least one light source based on said detection.

Abstract: A luminaire comprising: a control module; at least one light source arranged to emit light to illuminate an outdoor environment of the luminaire; and a dimension supply module comprising a sensor module and configured to supply (i) dimensions of a vacant parking space in said environment to the control module; and (ii) dimensions of a vehicle approaching the vacant parking space to the control module, wherein the sensor module is configured to detect at least one of the dimensions of the vacant parking space and the dimensions of the vehicle; wherein the control module is configured to compare the dimensions of the vacant parking space and the dimensions of the vehicle to determine whether the vehicle is physically sized to fit in the vacant parking space, and if so, provide an alert that the vehicle is physically sized to fit in the vacant parking space.

Abstract: A lighting unit (110) for an outdoor lighting fixture comprises a magnetic sensor module (215). The lighting unit (110) further comprises a controller (210) coupled to the sensor module (215). The controller (210) is configured to use the sensor module (215) to determine a measurement of vehicle traffic within a region defined by a sensing range of the sensor module (215), and use the sensor module (215) to determine a current orientation of the lighting unit.

Abstract: A controller comprising: an output for controlling lighting device(s)to illuminate an environment; an input for receiving a signal output from a sensor of a first type and a sensor of a second type, wherein the sensor of the second type consumes more power, but provides more accurate motion detection than the sensor of the first type; and a control module configured to detect motion of objects in the environment in response to receiving at least one of the signals, and control the lighting device(s) based on detected motion of objects. The control module configured to disable the sensor of the second type, and use the sensor of the first type to detect motion of objects when higher traffic density of objects passing through the environment occurs, and use at least the sensor of the second type to detect motion of objects when lower traffic density of objects occurs.

Abstract: A lighting system comprising one or more lighting devices mounted on a pole and operable to illuminate an outdoor environment; a photosensor, wherein a sensing region associated with the photosensor is directed onto a surface of the pole to detect light reflected off said surface; and a controller comprising an input for receiving a signal output from the photosensor. The controller is configured to: detect an object in the outdoor environment based on detecting a change in the light reflected off the surface in response to receiving said signal; and control the one or more lighting devices in response to detecting the object.

Abstract: In various embodiments, a lighting control apparatus (100) may include logic such as a controller (102, 202, 302, 502) and a thermal imaging sensor (108, 208, 308, 408a-b, 508) operably coupled with the controller. The thermal imaging sensor may have at least one field of view (110, 210, 310, 410a-b, 510) pointed at a surface (112, 212, 312, 412a-b, 512, 612). The surface may exhibit various degrees of thermal conductivity. The controller may be configured to: receive a signal from the thermal imaging sensor, the signal being indicative of heat (114) captured by the surface and sensed by the thermal imaging sensor. Based on the signal received from the thermal imaging sensor, the controller may cause one or more light sources (104, 204, 304, 504) to emit light having one or more selected properties.

Abstract: An object detection system is for object detection within a field of view. A light source provides detection illumination to the field of view and a sensor senses reflected light from the field of view. Time of flight analysis is used to provide distance or presence information for objects within the field of view. The controller is adapted to derive a signal quality parameter relating to the distance or presence information and to control the light source intensity in dependence on the signal quality parameter. In this way, energy savings are made possible by adapting the detection system settings to the scene being observed.

Abstract: A lighting aiming system for aiming a stadium lighting system, the lighting aiming system comprising: a luminaire (5), the luminaire having a mounting position and an orientation and configured to generate a light beam along an optical axis; a camera (1) configured to capture an image, the camera (1) coupled to the luminaire and having a defined relationship between a field of view of the camera and the optical axis; a memory (31) configured to store lighting information comprising a desired aiming location of the luminaire, and the memory further configured to store feature information comprising an expected location of at least one feature; a processor (33) configured to determine and output aiming information based on the feature information, lighting information and image to enable a determination on whether the luminaire is correctly aimed.

Abstract: The invention provides a light control system for a lighting network, including a plurality of light units wherein at least one light unit includes at least one sensor type, a distributed/centralized controller/central management system in communication with one or more of the light units, said controller/central management system sends control commands to one or more of said light units, in response to received light unit status/sensor information from one or more of said light units and/or status information from a connected device, and implements a lighting strategy relating to the characteristics of the plurality of light units, wherein the one or more neighboring light units' sensor type's detection threshold are adjusted using a predetermined strategy based on the new lighting strategy of the at least one light unit or the status information from the connected device.

Abstract: A controller comprising: an output for controlling lighting device(s)to illuminate an environment; an input for receiving a signal output from a sensor of a first type and a sensor of a second type, wherein the sensor of the second type consumes more power, but provides more accurate motion detection than the sensor of the first type; and a control module configured to detect motion of objects in the environment in response to receiving at least one of the signals, and control the lighting device(s) based on detected motion of objects. The control module configured to disable the sensor of the second type, and use the sensor of the first type to detect motion of objects when higher traffic density of objects passing through the environment occurs, and use at least the sensor of the second type to detect motion of objects when lower traffic density of objects occurs.

Abstract: An illumination controller is provided. The illumination controller comprises a light sensor device having a first light sensor arrangement configured to sense light within a first spectral range including non-visible light and excluding a sub-range constituted by at least a major part of the visible light, and a second light sensor arrangement configured to sense light within a second spectral range including at least a part of said sub-range.