Abstract: A system for generating tunable white light, comprising a plurality of LED strings that generate light with color points that fall within red, blue, and green color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output.

Abstract: Lighting systems and methods implementing toggle control are provided. In one example implementation, a lighting system includes a first LED array having one or more LED devices and a second LED array having one or more LED devices. The system further includes a single throw circuit interrupter configured to receive power from a power source. The system further includes a power conversion circuit configured to convert an input power received via the toggle switch to a power output for the first LED array and the second LED array. The power conversion circuit is configured to control a power distribution ratio between the first LED array and the second LED array based at least in part on a detected toggle input (e.g., a toggle pattern) implemented using the single throw circuit interrupter.

Abstract: Systems and methods for controlling transitions in a lighting system based on a lighting graph. The system includes a light fixture, a controller, and a memory. The controller stores three or more lighting states and associates each with a respective lighting parameter for controlling the light fixture. Multiple input state transition paths and multiple output state transition paths are associated with each lighting state. The controller receives an input signal and determines an output state transition path that indicates a second lighting state of the three or more lighting states. The determination of the transition path is based on a condition or is unconditional. A light control signal is transmitted to the light fixture based on the respective lighting parameter associated with the second lighting state. A lighting state includes all of the parameters to execute the state, or parameters that define a difference from a prior lighting state.

Abstract: A technique for commissioning of a light source includes transmitting outgoing beacon signals, each outgoing beacon signal including a stored light source identifier that uniquely identifies the light source; receiving incoming beacon signals including an incoming beacon signal carrying an incoming light source identifier that corresponds to the stored light source identifier; receiving subsequent incoming beacon signal carrying the incoming light source identifier; and changing commissioning information in response to receiving the subsequent incoming beacon signal carrying the incoming light source identifier.

Abstract: An end device having a controller and a method for controlling the end device are provided. The end device has a host module for processing commands received at the end device and for applying commands received to the end device, a radio module for receiving wireless communications to be provided to the host module as commands and for receiving wired communications to be provided to the host module as commands, and a DMX module for receiving wired communications to be provided to the host module as commands. When wired communications are received at the DMX module, those communications are provided to the radio module for relaying to the host module as a command. A method is provided for controlling the end device described.

Abstract: A charging stand with an advertising light box. The charging stand with an advertising light box includes a light box, and the light box includes a light box sectional material, the light box sectional material includes horizontal bars and vertical bars, each of the inner and outer sides of the horizontal bar is provided with a clamping groove, the vertical bar is provided with a second clamping groove, a constant current source is mounted in the light box, a support panel is mounted above the light box, a USB socket is mounted above the constant current source, the support panel is provided with a USB charging wire, and a mounting-inserting groove is formed in the support panel. By the disposed USB socket, a user can conveniently use a USB charging wire carried by himself/herself for charging.

Abstract: A control system including a high voltage device, a low voltage device, and a central control module. The central control module includes a first low voltage connection for receiving at least one first control signal from the low voltage device and a high voltage connection for providing at least one second control signal to the high voltage device. The central control module is configured to determine a daylight conversion factor based on the at least one control signal, wherein the at least one second control signal is based at least in part on the daylight conversion factor.

Abstract: A system may include a light source. A converter may be configured to convert an AC voltage to a DC operating voltage during normal operation. A power backup device may be coupled to the converter. A current source may have a first terminal configured to receive the DC operating voltage during regular operation and a second terminal configured to provide a pulse-width modulated (PWM) signal to an anode end of the light source. A switching device may have a first connecting terminal coupled to the anode end of the light source, a second connecting terminal coupled to the power backup device, and a control terminal coupled to the converter. The switching device may be configured to open a switch between the first connecting terminal and the second connecting terminal during normal operation and close the switch upon detecting an interruption of the DC operating voltage at the control terminal.

Abstract: A linear LED lamp having a body with a length between spaced first and second ends. The linear LED lamp has an elongate heat sink and a light source comprising LED emitters and a first end cap assembly at the first end of the body. The first end cap assembly has conductive power and ground pins and a support connector has conductive power and ground terminals for connecting with an external power supply and providing a grounding path for components of the lamp. The power and ground pins of the first end cap assembly are configured to engage the power and ground terminals of the support connector as an incident of the first end cap assembly moving relative to the support connector in a path that is transverse to the length of the body into an engaged position. A sleeve connector is also provided for mounting a non-power end of a linear LED lamp to a light fixture.

Abstract: An apparatus is disclosed comprising: a light guide having an opening formed thereon; an illumination source at least partially disposed in the opening, the illumination source including a plurality of LEDs disposed on a flexible circuit that is wrapped around a base, which may be thermally conductive, the base having a central opening, and the flexible circuit including a plurality of legs, each leg including electrical wiring for independently operating a different one of the LEDs, each leg being wrapped around a bottom edge of the base, and into the central opening, to come above the illumination source and connect to a control board that is situated above the illumination source; and a heat-dissipating element disposed over the illumination source, the heat-dissipating element being thermally coupled to the base to dissipate heat generated by the LEDs that is supplied to the heat dissipating element via the base.

Abstract: A system may include a light source. A converter may be configured to convert an AC voltage to a DC operating voltage during normal operation. A power backup device may be coupled to the converter. A current source may have a first terminal configured to receive the DC operating voltage during regular operation and a second terminal configured to provide a pulse-width modulated (PWM) signal to an anode end of the light source. A switching device may have a first connecting terminal coupled to the anode end of the light source, a second connecting terminal coupled to the power backup device, and a control terminal coupled to the converter. The switching device may be configured to open a switch between the first connecting terminal and the second connecting terminal during normal operation and close the switch upon detecting an interruption of the DC operating voltage at the control terminal.

Abstract: Camera images may be analyzed to identify perceptual control axes for a lighting system. These control axes may correspond to how human users perceive lighting scenes. A camera may capture high-dynamic-range images of a new room under various lighting conditions. Dimensionality-reduction may be applied to the images to create an image-based map. In this map, each datapoint may correspond to one of the images. The map may be transformed to align it with how human users perceive lighting scenes in the new room. The transformed map may be employed as a control space for the lighting system. In some cases, the map is created without gathering user ratings of lighting scenes for the new room. In other cases, creating the map involves gathering user ratings for as few as three lighting scenes for the new room.

Abstract: The present application proposes a circuit and method for detecting ambient light, and a display panel. The circuit for detecting ambient light includes a light sensing sub-circuit configured to output a voltage pulse signal related to present intensity of the ambient light; and a detection sub-circuit electrically connected to the light sensing sub-circuit, and configured to acquire a frequency of the voltage pulse signal, and obtain the present intensity of the ambient light according to the frequency of the voltage pulse signal.

Abstract: A method of estimating light intensity at a target location remote from a light sensor by providing a light sensor at a measuring location and temporarily providing a light sensor at a remote target location; exposing the measuring and target locations to a rand light intensities; constructing a calibration relationship between measured light intensity at the measuring and target location; and subsequently measuring light intensity at the measuring location; and using the calibration relationship to estimate light intensity at the target location. Lighting systems employing such a method are also provided.

Abstract: A method and apparatus for a wirelessly controlled, battery powered, universal serial bus (USB) charged, digital multiplex (DMX) master controller with remote device management (RDM) capability. The DMX controller includes a single DMX interface for DMX mastering that is RDM compliant. The DMX controller includes an optional DMX interface that may be used to allow miscellaneous data transfer that may not only include light intensity control information, but other non-lighting control information between serially connected devices using only DMX as a form of communication in a “token ring” arrangement.

Abstract: A network of intermediate device systems may be detachably coupled to an illumination pole electrically connected to a power source. The intermediate device system may comprise a housing with an exterior surface and an interior cavity configured to receive at least one electrical device. The intermediate device system may comprise a control unit communicatively coupled to a processor and configured to receive and process substantially real time information from at least one of the electronic devices and create a data set based on the received real time information. The data set may comprise a parameter of the surrounding environment and/or an instruction set configured to operate the at least one electrical device within the intermediate device system and/or a second intermediate device system within the network.

Abstract: A lighting system incorporating both direct current power produced by a photovoltaic panel and direct current power converted from alternating current power and a controller for determining the mixture of the two power sources to deliver to a plurality of light fixtures to provide a predetermined suitable light level within a space. The lighting system also providing regulation and monitoring of energy usage of electronic devices through at least one control device accessible through a user interface and at least one controller.

Abstract: A system for commissioning a smart luminaire (122A, 122B) in an indoor positioning system (100) includes a mobile device (110) including a mobile device control processor (112) in communication with a commissioning application (117), the commissioning application configured to communicate with one or more position beacons (120A, 120B) distributed throughout a spatial volume of a structure, the one or more position beacons configured to broadcast a unique identifier within the spatial volume via a wireless communication protocol, and to receive a transmission from the mobile device; a wireless transceiver (118) in the mobile device configured to receive the broadcasted positions, and to transmit data to the one or more position beacons, and the commissioning application configured to authenticate itself to the position beacon, and to programmatically change the unique identifier.

Abstract: An OLED touch display panel and a driving method are provided. The OLED touch display panel includes a cathode layer. The cathode layer is divided into the two sub-cathodes separated from each other and also serving as touch electrodes. In a pixel circuit of the OLED touch display panel, under common operations of a first input terminal and a second input terminal fed with different voltages, the OLED touch display panel normally emits light or does not emit light.

Abstract: Various embodiments of a smart LED lighting system are described. The system includes a control module coupled over a wireless connection to one or more smart LED drivers, each of which controls one or more LED lighting units. The system optionally includes one or more sensors for gathering information from the surrounding environment and a gateway for establishing a wireless network and for communicating with one or more cloud computing systems. The control module can control individual lighting units, modules of individual lighting units, or zones of modules to alter the intensity, color, or character of the lighting. The control module can execute pre-programmed configurations of the lighting system to implement, for example, lighting that mimics circadian patterns or lighting that is suited for a particular event such as a meeting or a concert. The control module also can implement instructions provided by a user through a mobile device or other input device.

Abstract: Systems, methods and techniques for vehicle accessories leveraging sensor(s) of a portable electronic device. The method of leveraging sensor(s) of a portable electronic device to enhance capabilities of an accessory comprising sensing parameters of a vehicle or its surrounding environment by one or more sensor(s) of the portable electronic device, determining a change in condition of the vehicle or its surrounding environment, generating a command or signal depending on the detected condition change, transmitting the generated command or signal to the accessory, and controlling the accessory to change its behavior or perform a predetermined process in accordance with the received signal or command.

Abstract: A method of generating a lighting effect based on metadata of an audio stream, the method comprising steps of: extracting metadata items from the audio stream; retrieving a first set of one or more images based on the metadata items; controlling a light source to generate a lighting effect based on said first set of one or more images.

Abstract: A fault detection system (100) for detecting faulty devices among a first plurality of serviceable devices (200) is provided. The serviceable devices have a wireless transmitter (210) arranged to periodically transmit a wireless signal (230) that encodes a device identifier. Mobile devices have a receiver (310) arranged to receive the wireless signal of a serviceable device within the transmission range, and to obtain the device identifier from the wireless signal. A fault detector (400) is arranged to detect faulty devices by selecting device identifiers in the plurality of device identifiers for which no device identifier was received in a time period.

Abstract: The present disclosure provides systems for generating tunable white light. The systems include a plurality of LED strings that generate light with color points that fall within blue, yellow/green, red, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output.

Abstract: A LED light apparatus includes a first light source, a second light source, a PWM generator, a control signal generator and a manual switch. Users operate the manual switch to adjust a duty ratio setting of the PWM generator for adjusting a first control signal and a second control signal for controlling the first light source and the second light source to generate a desired light.

Abstract: The present invention relates to an improved control system for use in applications requiring high level of functional integrity at one or more location, for improving efficiency, availability, reliability and safety of operation in various applications by segregating the domains of various functions critical to maintain high level of system operation integrity, remote networking and control, and transporting a proven, monitored function through a medium to another location and using the received proven function information to further prove the function at the receiving location with the functional identification of the receiving location, entire operation being online and/or periodically reciprocated/handshake/monitored.

Abstract: A lighting system controller, a lighting system control method and software program product are provided for controlling a lighting device based on a trigger signal, such as a presence detection signal from a presence sensor. Instead of switching the lighting device to a fixed light setting at all times when the trigger signal is received, the initial light output of the lighting device is determined. The lighting device is then controlled according to a fixed light setting (e.g. white light at full brightness) if the determined initial light output is within a predetermined range, and else it is controlled according to a function relative to the determined initial light output. For example, if the lighting device is participating in a romantic scene emitting predominantly red light the lighting device may switch to reddish white light instead of the full white light and/or the brightness level of the light is lowered compared to the fixed light setting.

Abstract: A sensor element for a luminaire local area (LLA) control system includes a receptacle connector, a lighting sensor connector, and an environmental sensor connector arranged in a connector stack coupled to each other and stacked on a light fixture. The receptacle connector includes power contacts for electrical connection with power wires for powering the light fixture. The lighting sensor connector is separate and discrete from the receptacle connector and includes a photocontrol component for sensing an ambient light exterior of the sensor element. The environmental sensor connector is separate and discrete from the lighting sensor connector and includes an environmental sensor component for sensing an environmental characteristic other than ambient light exterior of the sensor element for use by the LLA control system.

Abstract: An inter-linkable LED security light is disclosed which is configured with an LED load, a detection device, a switching circuitry, a microcontroller and a wireless transmitter. When an external control signal is detected by the detection device, the external control signal is converted into a message carrying sensing signal and the microcontroller responsively operates to output a control signal to turn on the security light for a predetermined time duration, synchronously the microcontroller also manages to transmit the message sensing signal thru the wireless transmitter to control the same lighting performance of at least one neighboring light. The detection device is optionally an active infrared ray motion sensor, a passive infrared ray motion sensor, an ultrasonic wave sensor, a microwave sensor capable of detecting a motion intrusion or a photo sensor capable of detecting a light intensity of a detection area where the lighting apparatus is positioned.

Abstract: An apparatus includes a camera and a processor. The camera may be configured to capture video data. The processor may be configured to (A) process the video data, (B) generate control signals used to initiate a stimulus and (C) execute computer readable instructions. The computer readable instructions may be executed by the processor to perform video analysis on video frames of the captured video data to (a) detect a person, (b) detect context information associated with the detected person and (c) determine facial recognition results of the detected person. If the facial recognition results cannot detect a face of the detected person, the processor selects the stimulus from a plurality of stimuli. The stimulus may be selected in response to the context information to increase a probability of detecting a frontal view of the face of the detected person.

Abstract: Systems and methods are provided for reducing network traffic in a lighting system. A server computer can calculate the energy consumption of the light sources in the lighting system based on the settings of the lights sources implemented by the server computer and power usage data for the light sources. By calculating the energy consumption at the server computer based on the implemented settings and the power usage data, the server computer does not have to receive communications from the controllers of the light sources indicating the power usage or energy consumption of the light source. The power usage data for the light sources can be updated to enable the server computer to provide more accurate energy consumption information for the lighting system.

Abstract: The embodiments herein provide an energy management system and method. The system comprises several electronic equipments installed in the standalone environmental space, several sensors in communication with a controller unit and a power supply. The sensors detect the environmental conditions or parameters of the environmental space. The relays are activated to switch on/off the electronic equipments depending on the sensor inputs. The controller unit regulates the operations of the electronic equipments through the relays based on sensors inputs. The sensors are activated at a predetermined set of time periods. The controller unit activates either one or more relays based on output from one or more sensors to control operation and operating time of the electronic equipments.

Abstract: An illumination control method includes calculating illuminances of a plurality of lighting apparatuses for at least one flat target surface on the basis of information regarding the lighting apparatuses stored in a database and flat target surface information received from a user, calculating an illuminance contribution of each of the lighting apparatuses for the at least one flat target surface on the basis of the illuminances of the plurality of lighting apparatuses for the at least one flat target surface, and calculating a luminance value of each of the lighting apparatuses on the basis of a target illuminance received from the user and the illuminance contribution of the lighting apparatus and controlling a luminance of each of the lighting apparatuses for luminance of the plurality of lighting apparatuses.

Abstract: Camera images may be analyzed to identify perceptual control axes for a lighting system. These control axes may correspond to how human users perceive lighting scenes. A camera may capture high-dynamic-range images of a new room under various lighting conditions. Dimensionality-reduction may be applied to the images to create an image-based map. In this map, each datapoint may correspond to one of the images. The map may be transformed to align it with how human users perceive lighting scenes in the new room. The transformed map may be employed as a control space for the lighting system. In some cases, the map is created without gathering user ratings of lighting scenes for the new room. In other cases, creating the map involves gathering user ratings for as few as three lighting scenes for the new room.

Abstract: Systems and methods for generating tunable white light include a plurality of Light Emitting Diode (LED) strings that generate light having color points falling within red, blue, and green color ranges. The systems and methods further utilize recipient luminophoric mediums to alter light provided by LEDs. Each LED can be driven with a separately controllable current in order to tune the generated light output.

Abstract: A method (3600) and system (2800, 2900, 3000, 3100) autonomously create a restore point for a luminaire controller (2810, 3110) and restore it to proper operation when required. The luminaire controller operates by using first operating software having a first software image, and receives a second software image of second operating software. The luminaire controller communicates the first software image to a first device (2820, 3120) connected to the luminaire controller via a communication network (2805, 3105), installs the second operating software, and performs a self test of the luminaire controller. If the luminaire controller fails the self test, the luminaire controller requests via the network that the first device transfer the first software image to the luminaire controller via the network, receives the first software image, installs the first operating software, and reverts to operation with the first operating software.

Abstract: The present disclosure relates to a sensor network, Machine Type Communication (MTC), Machine-to-Machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method for operating an electronic device is provided. The method includes measuring a Received Signal Strength Indicator (RSSI) of a plurality of signals received from a plurality of lighting devices, and displaying the plurality of lighting devices according to the RSSI of the plurality of signals.

Abstract: A lighting system comprises at least one network-capable infrastructure device and a commissioning device. The infrastructure device, such as a ballast or a luminaire, includes a first communication unit configured to communicate with at least one other infrastructure device, and a second communication unit. The commissioning device comprises a commissioning communication unit configured to communicate with the second communication unit of the infrastructure device. The infrastructure device receives a key information via the second communication unit and communicates via the first communication unit with the at least one other infrastructure device using the received key information.

Abstract: The invention relates to a control system (4) for controlling lighting units (30, 31, 32, 33) of a lighting system (1), wherein the lighting units are assigned to different areas and the control system is adapted to control the lighting units in accordance with a lighting command, which defines desired power levels, and depending on occupancy information, which is indicative of a degree of occupancy of the areas, such that different lighting units are set to their desired power levels at different times, even if the provided lighting command requests to set the lighting units to their respective desired power levels at substantially the same time. This can reduce the likelihood of, for instance, blown fuses or damaged components of the lighting system, while, because of the consideration of the occupancy information, the delay in setting the lighting units to their desired power levels may be not or only hardly visible.

Abstract: A wired switch allows switching the power supplied to a wirelessly controllable appliance, such as a lamp, which may be controlled by e.g. a smart phone running an app. A wireless switch is retrofitted to the wired switch. The wireless switch comprises one or more sensors arranged to detect both the position of the wired switch and a touch input. A controller, receiving indications based on said detection, determines a reachability of the wirelessly controllable appliance. The controller then associates an OFF command to the area of the wired switch that would normally be pressed to turn the lamp off. This allows the lamp to be turned OFF, when the wired switch is in the ON position, by a user controlling the wired switch as (s)he normally would without the used needing to actually change the position of the wired switch (thereby turning OFF power to the appliance).

Abstract: A lighting system is disclosed for deploying dynamic lighting effects.

Abstract: A wearable wireless device may be configured for control of a parameter of a load control device. The load control device may be responsive to a network device, for example, to provide fine tune adjustment of the parameter. The wearable wireless device may include a touch-responsive visual display for displaying feedback of the parameter of the load control device. The visual display may be configured to be actuated to receive a user input to adjust the parameter of the load control device. An actuation of the visual display of the wearable wireless device may adjust the parameter by a greater percentage than the fine tune adjustment provided by the network device.

Abstract: Discussed herein is a new way to light baseball fields or other target areas (e.g., target areas including a plane and an aerial space) according to accepted standards or desired levels which provides both target area lighting and uplighting and in a manner that reduces or eliminates glare for certain playing positions while maintaining lighting levels across both the target area and the aerial space above the target area without necessitating the use of low-mounted uplights.

Abstract: A wireless operated LED lighting controller has both analog and phase control outputs which operate a dimming luminaire, and sensors for lighting and motion which operate autonomously as needed. In addition it is locally operated by a handheld infra-red controller. At least one sensor can be chosen from the group of: a light detector, a motion detector, an acoustic detector, a temperature sensor, and a microwave detector. The sensor is electrically connected to the phase control output. A light output of the controller is affected by signals detected by the at least one sensor. The lighting controller has the phase control output enabled for either a leading edge dimming or a trailing edge dimming, and has a mode for completely turning off the dimming luminaire.

Abstract: The present disclosure provides a method and an apparatus for synchronous lighting control by a mobile terminal. The method comprises acquiring a loading program of each of a plurality of lamps required to be synchronously controlled; acquiring a state of each of the plurality of lamps according to the loading program; grouping the plurality of lamps according to the state of each of the plurality of lamps; and controlling a switching and a color of each of the plurality of lamps synchronously according to the grouping. A beneficial effect of the present disclosure is that by grouping the smart lamps, the smart lamps are managed in batch, and by using a colorful scene and a changing music to control a switching and a color of the smart lamps, the intelligence level of the system is improved, the control style is enriched, and the user experience is better.

Abstract: A computer-implemented method and includes identifying a change to be made in a brightness level of the light-generating appliance, the identifying of the change being effected by an input external to the light-generating appliance; determining, with a component of the light-generating appliance and in response to identifying the change to be made in the brightness level, a level of change to be made in a nonbrightness-related lighting output parameter of the light-generating appliance, to maintain a level of user stimulating light for a user visually exposed to the light-generating appliance, the level being equal as before the change in brightness level is made and after the change in brightness level is made; and changing the brightness level of the light-generating appliance according to the identified change in the brightness level, and changing the nonbrightness-related lighting output parameter based on the determined level of change to be made in the nonbrightness-related lighting output parameter.

Abstract: Techniques are provided for bi-directional communication between a power supply and one or more light engines (and/or other lighting system components) via the existing power lines so that no additional communication wires are needed. In particular, the power supply can transmit information by modulating its output (voltage or current) and the light engine (or other lighting componentry, such as a sensor) can communicate back by modulating how much power it draws from the power supply. Any suitable type of modulation scheme can be used, and a master-slave arrangement can be used to control the bi-directional communication if so desired, so as to avoid multiple devices communicating over the power line communication channel at the same time. Other embodiments allow a multiple simultaneous communications over the power line communication channel.

Abstract: One or more techniques and/or systems are disclosed for illuminating a target area. Such systems may mitigate shadows and lack of light homogeneity at surgical intervention settings, or any other clinical or otherwise critical human operational confined area that utilize a substantially uniform light flooding. One or more lighting modules can be disposed in a target area, for illumination one or more illumination target locations. An object detection component can detect an object in the target illumination location, and provide data indicative of the detected object to an illumination module adjustment component. Based on the data indicative of the detected object, the illumination module adjustment component can provide data indicative of an illumination adjustment to the first illumination module.

Abstract: An illumination device, system and method are provided herein for emulating sunlight along a daytime or nighttime locus. Sunlight is emulated depending on the path length of the sun relative to a structure containing the illumination device and system. One or more illumination devices can be grouped together and perform the sunlight emulation along the locus by producing different color temperatures throughout the day by all illumination devices within that group producing the same color temperature changes throughout the day. Moreover, a particular advantage of the preferred embodiments is the ability to manually change at any time the emulated natural sunlight output from the one or more groups of illumination devices and advantageously change the color output more so at certain times than at other times by simply actuating a trigger on a dimmer associated with a virtual or physical keypad.

Abstract: An apparatus includes a camera and a processor. The camera may be configured to capture video data of an area of interest. The processor may be configured to (A) process the video data, (B) generate control signals used to initiate an external stimulus and (C) execute computer readable instructions. The computer readable instructions may be executed by the processor to (a) stream the video data to an external server, receive facial recognition results from the external server and (c) if the facial recognition results cannot detect a face of a detected person, determine which of the control signals to generate. The external stimuli may be implemented to encourage a detected person to look in a direction of the camera sensor.