Abstract: Networked intelligent lighting devices and other elements connected to the network of a lighting system are readily adaptable to desirable networking arrangements as well as logical functional groups, for example by each storing communication provisioning data and/or configuration data for logically associating system elements into one or more groupings or sub-networks. The exemplary systems and system elements may also enable such enhanced network arrangement via autonomous discovery and device commissioning.

Abstract: An area lighting system having a distributed lighting network is provided. The distributed lighting network comprises a main unit, comprising at least one LED, and multiple secondary units, each comprising at least one LED. The main unit is configured to receive a signal from a motion sensor, determine the illumination state of the LED based on the signal, activate a wireless transmitter based on the signal and send out a wireless radio frequency signal. Each secondary unit is configured to receive the radio frequency signal from the main unit and change the illumination state of the LED of the secondary unit based on the wireless input. Each of the main and secondary units is powered by an individual solar cell attached to the unit. Each unit further comprises a slide switch to determine the illumination state of the LEDs therein.

Abstract: A lighting device includes a DC/DC power converter, a controller/processor electrically connected to the DC/DC power converter, a light emitting diode (LED) current control circuit communicably coupled to the controller/processor and electrically connected to the DC/DC power converter, and two or more LEDs comprising at least a first color LED and a second color LED electrically connected to the LED current control circuit. The LED current control circuit provides an on/off signal having a cycle time to each LED in response to one or more control signals received from the controller/processor such that the two or more LEDs produce a blended light having a specified color based on how long each LED is turned ON and/or OFF during the cycle time.

Abstract: A lighting device includes a DC/DC power converter, a controller/processor electrically connected to the DC/DC power converter, a light emitting diode (LED) current control circuit communicably coupled to the controller/processor and electrically connected to the DC/DC power converter, and two or more LEDs comprising at least a first color LED and a second color LED electrically connected to the LED current control circuit. The LED current control circuit provides an on/off signal having a cycle time to each LED in response to one or more control signals received from the controller/processor such that the two or more LEDs produce a blended light having a specified color based on how long each LED is turned ON and/or OFF during the cycle time.

Abstract: An illumination system includes multiple light emitting devices arranged in an area so as to be spaced apart from each other. Each light emitting device includes multiple light emitting diode arrays each of which has one light emitting diode or a plurality of light emitting diodes connected in series. The numbers of the light emitting diodes included in each light emitting diode arrays differs from each other. A controller is configured to establish one or more groups each including one or more light emitting devices and adjust an illumination state of each light emitting device by controlling the driving state of the one or more light emitting diode arrays included in each light emitting device. The controller may select the number of light emitting devices included in each group based on an external condition.

Abstract: According to one embodiment, there is provided a lighting control system including an integral control unit capable of a control; a mobile terminal which photographs a plurality of lighting apparatuses among a plurality of lighting apparatuses as a photographing range; and a control unit which performs a first process of obtaining an association between an image portion of the lighting apparatus in a photographed image and an arranging position on a layout drawing; a second process which obtains a correspondence between the lighting apparatuses which are sequentially turned on and the lighting apparatuses on the layout drawing; and a third process in which each address corresponding to the lighting apparatuses which are arranged on the layout drawing is caused to correspond with each ID information of the plurality of lighting apparatuses.

Abstract: Sensors and lighting components are provided that are capable of matching an emitted color to a color observed at a remote location. The sensor measures a light characteristic at a first location, and provides data to a remote lighting component, such as via a wireless connection. The lighting component is configured to emit light based upon the light characteristic, and thus is able to match an observed lighting condition. The lighting component may match the color, intensity, temperature, pattern, texture, or other characteristic of light at a remote location.

Abstract: A color temperature adjustable LED lamp is disclosed, which includes a 3-way lamp socket and a 3-way lamp head. The 3-way lamp socket has a 3-way switch. The 3-way lamp head is connected to the 3-way lamp socket and has a first LED array and a second LED array. The color temperature of the first LED array is different from the color temperature of the second LED array. The color temperature adjustable LED lamp includes a mains detecting circuit for detecting a conducting state of a first live wire and a second live wire in the 3-way switch to selectively operate the first LED array, the second LED array or alternatively operates the first and second LED array.

Abstract: Disclosed are an intelligent illumination control method, apparatus, and system. The method includes a step of obtaining at least one image of a predetermined lighting area captured by at least one stereo camera; a step of determining, based on the at least one image, one or more target illuminance values of the predetermined lighting area; and a step of determining, based on the one or more target illuminance values, a dimming level of at least one illumination apparatus so that the at least one illumination apparatus works according to the determined dimming level.

Abstract: An intelligent illuminating device includes at least one lamp being installable onto an object, the lamp having at least one light emitting unit and at least one light collecting unit, a light beam of the light emitting unit being projected out as the lamp turned on, the light collecting unit corresponding to a targeted region, each light collecting unit having a MCU and a PWM unit. Under this arrangement, when the light collecting unit acquires the brightness value of the targeted region, the brightness value is transmitted to the MCU and compared with a predetermined brightness value, so that a difference value is obtained and transmitted to the PWM unit; hence, the light emitting unit is controlled by the PWM unit to project a light beam with a designated intensity.

Abstract: An area lighting system having a distributed lighting network is provided. The distributed lighting network comprises two main units and multiple secondary units. Both main units are configured to receive a signal from a motion sensor, activate a wireless transceiver and send out a radio frequency signal. In addition, both main units are capable of receiving a radio frequency signal from a wireless transceiver from another main unit. Each secondary units is configured to receive a radio frequency signal from the transceivers of the main units and change the illumination state of the LEDs of the secondary unit.

Abstract: An array of LEDs having output light in different wavelength ranges. A control circuit connected to the array includes a temperature variable resistance component and a switch selectively connecting the component to the array. The control circuit limits the current applied to at least some of the LEDs during initial energization of the LEDs prior to steady-state operation of the LEDs. Variations over time of a color correlated temperature (CCT) of output light of the energized array are reduced.

Abstract: Emission systems having solid-state transducers (SSTs) for producing a target chromaticity of light are disclosed herein. An emission system or SST device in accordance with a particular embodiment can include a first emitter having a first plurality of SSTs positioned to emit light having a first chromaticity, and a second emitter having a second plurality of SSTs positioned to emit light having a second chromaticity different than the first chromaticity. The SST device can further include a controller having a first channel with a variable output, coupled to the first emitter to adjust the brightness level of the first emitter, and a second channel with a variable output, coupled to the second emitter to adjust the brightness level of the second emitter.

Abstract: A light fixture includes a dimmable light source that emits light downwardly, and a downward-looking rangefinder proximate and operatively coupled with the light source. When the rangefinder detects an object at a measured height that exceeds a first threshold, the light source dims according to the measured height. A light fixture that provides illumination with active glare control for a lighted area includes one or more first light sources that emit high-angle light, and one or more dimmable second light sources that emit low-angle light, into the lighted area. The system also includes a camera that captures images of the lighted area, and an controller that is (a) operable to identify one or more activity locations within the lighted area from the images, and (b) operatively coupled to dim one or more of the light sources that illuminate the one or more activity locations.

Abstract: Described herein are ambient lighting devices, methods, and systems that utilize at least one multimode artificial ambient light source, a control unit, and a remote image sensor. The control unit couples to at least one artificial ambient light source and is configured to output at least one control signal to the at least one artificial ambient light source. The at least one multimode artificial ambient light source is configured to output light of varying color and color temperature in response to said at least one control signal. The remote image sensor couples to the at least one control unit and is configured to detect at least one color and intensity characteristic and output an output signal to the at least one control unit, based on said color and intensity characteristic detected.

Abstract: The invention relates to a method for determining a distance from a sensor to a luminaire. The luminaire includes at least a first light source configured to emit a first light beam adapted to illuminate a predefined area and a second light source configured to emit a second light beam adapted to illuminate a background area surrounding the predefined area. The sensor, which could e.g. be included within another luminaire, is configured to detect a back-reflected first light beam and a back-reflected second light beam. The method includes determining the distance from the sensor to the luminaire based, at least partially, on a comparison of information indicative of a signal strength of the detected back-reflected first light beam and information indicative of a signal strength of the detected back-reflected second light beam.

Abstract: An illumination system is provided. The illumination system comprises an array of light emitting elements, an array of directional optical elements and a light deflecting means arranged to provide a fan of light cones. A position detector senses the retroreflection from an observer's eyes and a control system reduces the intensity of light directed towards the retroreflection region. Such a system achieves glare reduction for a line-of-sight illumination apparatus.

Abstract: A lighting unit (100) includes light emitting diode (LED) modules (120, 300) and a lighting driver (110, 200) connected to the LED modules. Each LED module includes LEDs (323) and an identification current source (324) supplying an identification current to an identification current output node (180, 380). All of the identification current output nodes are connected together to supply a total identification current having a magnitude which changes in response to the number of LED modules that are connected to the lighting driver. The lighting driver includes: a controllable current source (220 & 250) to supply an LED driving current to the LEDs of the LED modules, and a controller (230) that responds to the total identification current to control the controllable current source to supply the LED driving current at a magnitude which changes in response to the number of LED modules that are connected to the lighting driver.

Abstract: There is provides an illumination system which comprises a plurality of luminaries or light sources. Each luminary or light source comprises a light driver capable of receiving and storing a dynamic light effect pattern, and from the dynamic light effect pattern creating a light effect. The color and/or intensity of the luminary or light source is thereby dynamically varied. The light driver is further arranged to embed data in the light effect. Each luminary or light source further comprises a light emitter for emitting the light effect comprising the encoded data. A light detector is arranged to receive light emitted by other luminaries or light sources in the illumination system. A light decoder is arranged to decode data out of light received by the detector and arranged to determine the intensity of the light received.

Abstract: In embodiments of the present invention, a method and system is provided for commissioning improved intelligent, LED-based lighting systems. The LED based lighting systems may include fixtures with one or more LED light bars, integrated sensors, onboard intelligence to send and receive signals and control the LED light bars, and network connectivity to other fixtures.

Abstract: A robot system includes robot, an image capture device, a plurality of illumination devices, and a control device. The robot is configured to perform a predetermined work on a to-be-processed material. The image capture device is configured to capture an image of the to-be-processed material and has a dynamic range. The plurality of illumination devices are configured to illuminate the to-be-processed material. The control device is configured to control at least one illumination device among the plurality of illumination devices to keep an amount of light received by the image capture device within the dynamic range of the image capture device.

Abstract: A lighting control system and method. A plurality of light emitting devices, such as light emitting diodes, are controlled by a plurality of control units that comprise a receiver and a transceiver. A server communicates with each of the control units, and a signal is transmitted to and from the server to each of the control units by a conductor. The conductor provides electrical current to the light emitting devices and the electrical current powers the light emitting devices to emit light.

Abstract: Embodiments of the invention include a luminaire that includes a plurality of different light engines. Light engines having different light distributions can be included in a single luminaire and a subset of the light engines selectively driven to dynamically change the light distribution of the luminaire. In this way, a single luminaire is capable of illuminating an area with a variety of different light distributions.

Abstract: Apparatus and method of color balancing LED-based lighting are provided. In one aspect, an apparatus comprises an image sensor that senses images of objects, an illumination device, and control logic. The illumination device comprises an LED that emits red light, an LED that emits green light, and an LED that emits blue light. The control logic receives an imaging signal from the image sensor related to a sensed image of a first object that is illuminated by the illumination device. The control logic controls color balancing of light emitted by the illumination device according to an optical characteristic of the image of the first object.

Abstract: A coded lighting system comprises a set of light sources and a remote control unit or an arrangement. The set of light sources emits coded light. In order to do so each light source is associated with a unique identifier. The remote control unit or the arrangement comprises an image sensor which captures images comprising light emitted by at least one of the light sources in the set of light sources. By analyzing the captured images the remote control unit or the arrangement is able to associate light sources affecting a particular region and/or object. The remote control unit or the arrangement is thereby able to transmit a control signal comprising updated light settings to the set of light sources.

Abstract: A mechanism for control and configuration of a lighting system from a user interface. For instance, a wall module designed as a user interface for a tenant to control the system may be implemented so as to be used not only to control the lighting system but also to configure it. The lighting system may involve a controller, circuits of lights, relays, motion and ambient detectors, scenes, schedules, and more. An additional user interface such as a wall module may be connected to the lighting system for control and configuration of the system.

Abstract: A lighting system includes luminaires (L,1, L,2) disposed in a space to be illuminated, a sensor system (S1, S2) to detect user presence within the space, and a controller (2) configured in a commissioning mode to receive data corresponding to the addresses of luminaires which are to be defined as a group, and positional data from the sensor system in response to commissioning actuator e.g. a person moving along a path associated with a region of the space associated with the group, and in an operational mode to illuminate the luminaires of the group in response to the sensor system detecting occupancy in the region associated with the group.

Abstract: Embodiments of the invention include a luminaire that includes a plurality of different light engines. Light engines having different light distributions can be included in a single luminaire and a subset of the light engines selectively driven to dynamically change the light distribution of the luminaire. In this way, a single luminaire is capable of illuminating an area with a variety of different light distributions.

Abstract: A lighting control method for use in a lighting control system is disclosed. The lighting control method includes acquiring an influence coefficient of each of lighting devices on at least one local device based on a measured amount of invisible beams and a measured amount of visible light, the influence coefficient representing an influence level of each of the lighting devices on the local device; and acquiring a dimmer level of each of visible light sources based on a corresponding one of the influence coefficients to control the amount of the visible light measured at a position of the local device such that the measured amount of the visible light reaches or approaches a target lighting amount of the local device.

Abstract: In a lighting control system according to an embodiment, a storing unit stores a correspondence relation in which at least one of a plurality of type 2 groups is associated with each of type 1 groups. Methods of distribution of K luminaires are different in the type 1 groups and the type 2 groups. The control unit controls a lighting state of the type 1 groups indicated by an input control signal and subjects a lighting state of the type 2 groups associated with the type 1 groups to be controlled in the correspondence relation to associated control.

Abstract: A lighting system for accenting a region of a target surface comprising a color matching engine, a plurality of light sources, a color capture device configured to measure light reflected by a target surface, and a computerized device configured to operate the plurality of light sources to emit an analysis light so as to be incident upon the target surface and identify a region of the target surface that reflects two or more wavelength ranges of light using a pattern recognition algorithm, defining a detected pattern having wavelength ranges. The color matching engine is configured to perform a matching operation that operates to determine dominant wavelength(s) of the wavelength ranges and polychromatic lights including or excluding dominant wavelength(s). The computerized device operates the light sources to emit a combined light being sequentially each of the polychromatic lights.

Abstract: An internal combustion engine 100 includes a cylinder 102 that defines a combustion chamber 196 causing a premixed gas to be combusted, a piston 120 that defines the combustion chamber 196 together with the cylinder 102, and reciprocates in the cylinder 102, and an active species generator 150 that generates active species. The internal combustion engine 100 promotes combustion of the mixed gas by the active species generated by the active species generator 150. The piston 120 includes an active species generation chamber 194 that is formed therein and open to a top surface of the piston 120, and in which the active species generator 150 generates the active species.

Abstract: An intelligent illuminating device includes at least one lamp being installable onto an object, the lamp having at least one light emitting unit and at least one light collecting unit, a light beam of the light emitting unit being projected out as the lamp turned on, the light collecting unit corresponding to a targeted region, each light collecting unit having a MCU and a PWM unit. Under this arrangement, when the light collecting unit acquires the brightness value of the targeted region, the brightness value is transmitted to the MCU and compared with a predetermined brightness value, so that a difference value is obtained and transmitted to the PWM unit; hence, the light emitting unit is controlled by the PWM unit to project a light beam with a designated intensity.

Abstract: A first lighting assembly receives a lighting profile that instructs the first lighting assembly to operate according to the lighting profile over a first period of time. The received lighting profile is implemented, including causing a light of the first lighting assembly to illuminate at a first intensity. An input acquired in proximity to the first lighting assembly and indicating activity in a region proximate the first lighting assembly is received. The received lighting profile is then deviated from, in response to the received input, by increasing the intensity of the light to illuminate at a second intensity for a predetermined period of time. A message is transmitted for receipt by the control center, the message including an indication of the increased light intensity and an identifier associated with the first lighting assembly.

Abstract: At least one controllable source of visible light is configured to illuminate a space to be utilized by one or more occupants. A controller causes the source(s) to emit light in a manner that varies at least one characteristic of visible light emitted into the space over a period of time at least in part in accordance with a chaotic function.

Abstract: The invention relates to a network of luminaires for an automatic lighting system comprising at least two luminaires (1) and at least one controller, each luminaire comprising a light source (4) and at least two communication ports (3, 6, 9, 12), wherein the communication ports have predetermined configuration and orientation (3, 6, 9, 12), each communication port (3, 6, 9, 12) is adapted to be communicatively connected to a communication port of another luminaire (1) in said network in the direction and orientation of the port (3, 6, 9, 12), and wherein the identification of unused communication ports (3, 6, 9, 12) is communicated to said at least one controller.

Abstract: A selective street light control system includes a module having a lamp and being configured to receive a light sensor connected to a street light. The module may be configured to cause the lamp to illuminate to modulate the light sensor. The street light may be controlled based on the light sensor, and the when the light sensor is modulated by the lamp of the module, the street light is also controlled by the module. The module is a self-contained unit and that may advantageously be easily and cost effectively retrofitted to an existing installation without the need for expensive re-wiring of the existing installation.

Abstract: A system provides white light having a selectable spectral characteristic (e.g. a selectable color temperature and intensity) using a combination of sources (e.g. LEDs) emitting light of four, five, or six different characteristics, for example, one or more white LEDs, and one or more LEDs of each of three primary colors plus cyan and royal blue. A microcontroller can maintain a desired spectral characteristic, e.g. for white light at a selected point on or within a desired range of the black body curve. Further, the microcontroller provides tunability of the spectral characteristic and intensity of the white luminaire. One channel driver drives the one or more first color LEDs (white in our example) as well as the one or more second color LEDs which are connected in series to the first channel driver. The other light sources are each driven by separate drivers on separate channels.

Abstract: Control of lighting fixtures in a lighting network may be distributed among the lighting fixtures. The lighting fixtures may be broken into groups that are associated with different lighting zones. At least some of the lighting fixtures will have or be associated with one or more sensors. Within the overall lighting network or the various lighting zones, the lighting fixtures may share sensor data from the sensors. Each lighting fixture processes sensor data provided by its own sensor, a remote standalone sensor, or lighting fixture, and processes the sensor data according to the lighting fixture's internal logic to control operation of the lighting fixture. The lighting fixtures may also receive control input from other lighting fixtures, control nodes, light switches, and commissioning tools. The control input is processed along with the sensor data according to the internal logic to enhance control of the lighting fixture.

Abstract: A lighting device includes a DC/DC power converter, a controller/processor electrically connected to the DC/DC power converter, a light emitting diode (LED) current control circuit communicably coupled to the controller/processor and electrically connected to the DC/DC power converter, and two or more LEDs comprising at least a first color LED and a second color LED electrically connected to the LED current control circuit. The LED current control circuit provides an on/off signal having a cycle time to each LED in response to one or more control signals received from the controller/processor such that the two or more LEDs produce a blended light having a specified color based on how long each LED is turned ON and/or OFF during the cycle time.

Abstract: A number of luminaires can be communicably coupled and networked. Some or all of the luminaires may be equipped with a number of sensors including motion sensors. Upon detecting motion of an object in the vicinity of a luminaire, the luminaire can increase the luminous output of the lighting subsystem in the luminaire and communicate a targeted or broadcast output signal to some or all of the remaining luminaires in the network. The output signal may variously contain data indicative of one or more parameters related to motion of the object (direction of travel, velocity, etc.) or one or more parameters related to the increased luminous output of the luminaire. Responsive to the receipt of an output signal generated by another luminaire, the luminaire may autonomously adjust the luminous output of the lighting subsystems responsive to an event detected by the other luminaire.

Abstract: An LED based lighting system for use in highway lighting, adaptations to current highway lighting systems, and associated methodology. The highway lighting system can be implemented in new highway installations and also by retrofitting existing highway installations. Unlike highway lighting systems in the prior art that convert AC to DC and clean the harmonics at each lamp post, the lighting system converts AC to (high voltage) DC and cleans the created harmonics at a centralized location thereby supplying high voltage DC to each lamp. The high voltage DC is then stepped down at each lamp post via communicating with centralized command center. This allows each lamp to be dimmed from full brightness to 0% brightness and also to be dimmed independent of one another (which in turn allows for automatic checking whether each lamp is functioning properly).

Abstract: The AC-DC power booster includes an electromagnetic interference (EMI) filter circuit that is included to convert alternating current (AC) power from among applied AC power and direct current (DC) power, to DC power to be output; a power factor correction (PFC) circuit that is connected to the EMI filter circuit and stabilizes an output voltage; and a switching mode power supply (SMPS) circuit that is connected to the PFC circuit and is capable of generating AC and DC power at the same time; a maximum power point tracking (MPPT) circuit that applies the voltage output from the SMPS circuit between a drain and a source of a switching device; a battery that is charged by receiving power from a solar light energy source connected to the MPPT circuit; and an inverter that operates an AC home appliance with the power received in the battery.

Abstract: In the lighting control device according to the exemplary embodiment, the detection section detects the presence or absence of a person in a lighting area and a movement speed of a person, based on an image data of the lighting area that is lighted by a light source of a plurality of lighting apparatuses and is acquired from an imaging device. A decision section decides whether each of division areas is a stay area or a non-stay area based on the movement speed of a person detected by the detection section. A lighting control section performs different lighting controls on the lighting apparatus of the division area decided as the stay area by the decision section and the lighting apparatus of the division area decided as the non-stay area.

Abstract: Provided is a lighting system to control illumination of a plurality of areas. The lighting system includes a lighting fixture matrix having a plurality of lighting fixtures respectively located at the plurality of areas. Each of the lighting fixtures includes a sensor and a controller coupled with the sensor, a first sensor being configured to detect the presence of a user in a first of the plurality of areas. The lighting system also includes a communication circuit configured to provide for communication between each of the plurality of lighting fixtures. Upon detection of presence of a user in the first area, the respective controller is configured to illuminate a first of the lighting fixtures and send a signal to simultaneously trigger illumination of two or more of a remaining number of the plurality of areas.

Abstract: A light source apparatus according to the present invention comprises: a brightness determination unit configured to determine emission brightness of each of light emission areas; a color determination unit configured to determine, for each of the light emission areas, an emission color of a target light, emission area, which is the each light emission area, based on the determined emission brightness of each of the light emission areas, in such a manner as to suppress a change in color of the target light emission area that is caused as a result of changes in emission brightnesses of light emission areas other than the target light emission area; and a control unit configured to cause each of the light emission areas to emit light of the determined emission color, at the determined emission brightness.

Abstract: Plural luminaires are installed in a lighting space surrounded by a wall part. A sensor equipment detects existence or nonexistence of a person in the lighting space. If existence of a person in the lighting space is detected, the sensor equipment detects a direction of the person. The sensor equipment detects a distance between the wall part positioned in front of the direction of the person and the person. A lighting control unit selectively switches between a first control for performing lighting control of the luminaires to illuminate the wall part positioned in front of the direction of the person if the detected distance is a specified distance or less, and a second control for performing lighting control of the luminaires to reduce brightness at a place as the place becomes farther from a position of the person if the detected distance is larger than the specified distance.

Abstract: The invention provide a street lighting system that includes a plurality of Light Emitting Diode based street lamps, wherein each of the Light Emitting Diode based street lamps includes a Light Emitting Diode light source, a control circuit connected to the Light Emitting Diode light source and a communication transceiver electrically coupled to the control circuit. The control circuit is enabled to collect data from peripheral devices attached to the Light Emitting Diode based street lamps and transmits the collected data through the communication transceiver.

Abstract: Disclosed examples of optical systems having a plurality of light sources with each source having a different spectral outputs may be calibrated by measuring a spectral characteristic of the combined light with two measurements, e.g., one from a colorimeter and one from a sensor included in the system. Accordingly, one can determine a transform function in response to the two measures that models a feedback response of the optical system for each of a plurality of the inputs that would cause the optical system to generate radiant energy within a predetermined range of a spectrum. In order to calibrate the optical system, the transform function is programmed in the optical system to enable the optical system to transform an input to the optical system to a plurality of unique control signals each for controlling a respective light source of the plurality of light sources.

Abstract: A portable lamp comprising: Communication means for exchanging identification data, configuration settings or control instructions with another portable lamp. More specifically, the communication means are used for avoiding exposition to glare.