Abstract: The invention provides alighting system (1000) configured to generate lighting system light (1001), wherein the lighting system light (1001) comprises one or more of (i) a first lighting system light component (1101) having a first component optical power Wopt,comp1, and (ii) a second lighting system light component (1201) having a second component optical power Wopt,comp2; wherein the lighting system (1000) comprises: —a first light source (110) comprising a first pump light source (10) configured to generate first pump light source light (11) and a luminescent material (200) configured to convert at least part of the first pump light source light (11) into luminescent material light (201), wherein the first light source (110) optionally in combination with first optics (115) is configured to provide the first lighting system light component (1101), wherein the first lighting system light component (1101) comprises at least part of the luminescent material light (201), wherein the first lighting system light

Abstract: A lighting system comprising a plurality of controllable lighting devices (15) distributed in an area to be illuminated and an artificial intelligence (20) adapted to learn traffic data and to determine the lighting settings of said plurality of controllable lighting devices (15), wherein said artificial intelligence (20) comprises: —a plurality of intelligent devices (22) arranged in said area, each associated with at least one of said controllable lighting devices (15), wherein each intelligent device (22) comprises sound sensing means (25) adapted to acquire sound data and a local neural network (21a) adapted to learn traffic data based on the acquired sound data, to predict local traffic events and to process local lighting commands, within predetermined lighting setting limits, for the at least one associated controllable lighting device, —at least one general neural network (21b) remote with respect to the plurality of intelligent devices (22), and —sound training means comprising image sensing means (3

Abstract: To provide an inexpensive display device. The display device includes a pixel and an IC chip. The pixel includes a first pixel circuit including a display element and a second pixel circuit including a light-receiving device. The one IC chip includes a control circuit, a data driver circuit, and a read circuit. The first and second pixel circuits are electrically connected to the read circuit. The control circuit has a function of controlling driving of the data driver circuit and the read circuit. The data driver circuit has a function of supplying image data to the first pixel circuit. The read circuit has a function of outputting a monitor signal corresponding to a monitor current when the monitor current flows through the first pixel circuit. The read circuit also has a function of outputting an imaging signal corresponding to imaging data acquired by the second pixel circuit.

Abstract: A method and a system for adding a floating analog voltage signal over a reference analog voltage signal. The system and the method may accurately control the value of the floating analog voltage signal—using an optical feedback path, and may directly add the floating analog voltage signal over the reference analog voltage signal.

Abstract: A high-sensitivity light sensor includes a light sensing element, a first integrator, a comparator, and a second integrator. The light sensing element senses a light during a measurement time interval to generate a current. The first integrator integrates the current to generate a first integration signal. The comparator compares the first integration signal with a threshold value. While the first integration signal is greater than the threshold value, the comparison signal is at a first level. The second integrator is coupled to the first integrator and integrates the first integration signal to generate a second integration signal. The light sensor of the present invention uses two integrators to integrate the sensed voltage twice. Therefore, the light sensor of the present invention has a higher sensitivity.

Abstract: An apparatus and system for surveillance via an imaging system within an enclosure. The enclosure is capable of being mounted to any number of locations such as light poles, power poles, buildings, awnings, and overhangs. The imaging system is capable of recording to local storage, provide live images or also transmitting lower quality images or video clips based on additional sensors such as motion sensors. The imaging system can transmit the images or video clips over a network connection that can include cellular or other wired or wireless connectivity. The apparatus and system can be powered by any number of sources including AC, DC, solar and wind energy.

Abstract: A robust wireless communications network is deployed by retrofitting spatially distributed light sockets with integrated light/communicator modules. Each light/communicator module comprises an electric lamp and a communicator unit, the communicator unit having an RF transceiver, an antenna, and a Broadband processor for communicating with other nodes in the wireless communication network, using a suitable mesh network protocol. A power conversion unit is optionally provided in each integrated light/communicator module so that the individual components of the module may operate on the standard light socket power or selectably from other power sources.

Abstract: A controller and a method for controlling at least two light sources is disclosed.

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 lighting fixture that provides an illumination light includes a wireless signal repeater configured to receive an input wireless signal and to transmit an output wireless signal that corresponds to the input wireless signal. The lighting fixture further includes an occupancy sensor configured to monitor a space and to output occupancy detection information indicating whether the space is occupied. The wireless signal repeater is configured to operate based on the occupancy detection information.

Abstract: A load regulation device, such as an LED driver, may be configured to control the intensity of a light source based on an analog control signal and a preconfigured dimming curve. The LED driver may sense a magnitude of the analog control signal and determine a new low-end and/or high-end control signal magnitude that falls outside of the input signal range of the dimming curve. The LED driver may rescale the preconfigured dimming curve according to new low-end and/or high-end control signal magnitudes and dim the light source based on the rescaled dimming curve. Multiple LED drivers controlled by the same analog control signal may communicate with each other regarding the magnitude of the analog control signal sensed by each LED driver, and match their target intensity levels despite sensing different analog control signal. A controller may be provided to coordinate the operation of the multiple LED drivers.

Abstract: A device for pivoting a navigation light and methods that use the device can include a mount assembly with an attachment for attaching the device to a structure. A pivot assembly can be supported by the mount assembly, with the pivot assembly mechanically coupled to a drive element such that a drive of the drive element pivots a navigation light to one or more operating, service, or hold positions.

Abstract: A dynamic positioning control system having a transparent or semi-transparent substrate, an image processor, and one or more image-generating elements operatively connected to the image processor configured to simultaneously generate a plurality of images within an overall image-generating-capable field area of the substrate is provided. A dynamic positioning control system having a transparent or semi-transparent substrate, a dimming controller, and a plurality of electrodes operatively connected to the dimming controller configured to dim one or more areas on or within the substrate within an overall electrochromic dimming-capable field area is also provided. The image processor and the dimming controller may be separate elements or may be a single controller.

Abstract: Embodiments of the present invention include a lighting fixture(s), a computer program product and a computer-implemented method that include program code executed by a processor(s) that obtains a request to implement a specified lighting pattern in the lighting fixture(s). Each lighting fixture includes effect lighting communicatively coupled to the processor(s) and functional lighting (oriented to illuminate a surface below the lighting fixture) communicatively coupled to the processor(s). The program code identifies the specified lighting pattern in a memory communicatively coupled to the processor(s), which includes a sequence for illuminating a portion of the effect lighting elements. The processor(s) executes the specified lighting pattern in the lighting fixture(s).

Abstract: An electronic transformer including a controller and a dimming control circuit. The controller is configured to control an output voltage. The dimming control circuit is configured to receive a user-input and output a control signal based on the user-input. The controller varies the output voltage based on the control signal. Wherein the output voltage is substantially the same regardless of an amplitude of an input voltage.

Abstract: Embodiments of systems and methods for using electronic diffusers to implement message indicators are described. A segment of a diffuser attached to an electronic device is configured to indicate an informational message in response to signals that result in a change to an optical property. A set of information to be displayed using the segment is determined, and a signal is transmitted to the segment to display the information.

Abstract: Methods and systems are provided for photochemically synthesizing tetrachloromethane in an industrial scale using a plurality of arrays or channels of light emitting diodes. A wavelength output by an SLM lamp is customized to bias the photochemical reaction towards a target reaction and target product and away from a side reaction and side product. The higher yield of the target product improved efficiency and reduces the need for complex purification for removal of the side product.

Abstract: The present disclosure relates to a pixel circuit including a light emitting unit, a processing circuit and a driving circuit. The processing circuit is configured to receive a frame display signal, and is configured to calculate the frame display signal to generate a driving duty cycle corresponding to a driving period according to a driving current value. The driving circuit is electrically connected to the processing circuit and the light emitting unit, and is configured to drive the light emitting unit during the driving period according to the driving duty cycle, the driving current value and a driving frequency.

Abstract: A dynamic positioning control system having a transparent or semi-transparent substrate, an image processor, and one or more image-generating elements operatively connected to the image processor configured to simultaneously generate a plurality of images within an overall image-generating-capable field area of the substrate is provided. A dynamic positioning control system having a transparent or semi-transparent substrate, a dimming controller, and a plurality of electrodes operatively connected to the dimming controller configured to dim one or more areas on or within the substrate within an overall electrochromic dimming-capable field area is also provided. The image processor and the dimming controller may be separate elements or may be a single controller.

Abstract: Disclosed is a backlight adjustment circuit including: a reference electrical information circuit, a feedback selection circuit, a main control circuit and at least two parallel light-emitting branches; where the reference electrical information circuit is connected to the main control circuit and is configured to provide reference electrical parameter information to the main control circuit; the feedback selection circuit is respectively connected to the main control circuit and the at least two light-emitting branches and is configured to provide the main control circuit with electrical information of each of the at least two light-emitting branches; and the main control circuit is connected to the at least two light-emitting branches and is configured to adjust a current magnitude of the each of the at least two light-emitting branches according to the reference electrical parameter information and the electrical information of the each of the at least two light-emitting branches.

Abstract: Frequency tuning for a matchless plasma source is described. To perform the frequency tuning, current is measured at an output of an amplification circuit of the matchless plasma source after a change in a frequency of operation of the matchless plasma source. Upon determining that the current has increased with the change in the frequency of operation, the frequency of operation is further changed until the current has decreased. When the current has decreased, the changed frequency of operation is further modified to be an operational frequency. When the matchless plasma source operates at the operational frequency, the current at the output of the amplification circuit is maximized.

Abstract: The present invention relates to a measurement arrangement for detecting aging processes in individual light-emitting diodes which makes it possible to identify, and subsequently to compensate, a loss of brightness in light-emitting diodes. In this context, a relative measurement of brightness intensity is taken. The present invention further relates to a correspondingly set-up method for detecting aging processes in individual light-emitting diodes and to a computer program product comprising control commands which implement the method.

Abstract: A system includes two or more phosphor-containing white LEDs (or other color-shifting artificial light sources) selected so that their combined color shift over at least 8,000 hours (e.g., at least 10,000 hours, at least 20,000 hours, at least 30,000 hours, at least 40,000 hours, up to 200,000 hours, up to 100,000 hours, up to 80,000 hours) of operation is less than at least one of the LED's (or the other color-shifting artificial light source's) color shift over that time. Here, the combined color shift (??v?) over the at least 8,000 hours (e.g., at least 10,000 hours, at least 20,000 hours, at least 30,000 hours, at least 40,000 hours, up to 200,000 hours, up to 100,000 hours, up to 80,000 hours) of operation can be less than 0.007 (e.g., 0.006 or less, 0.005 or less, 0.004 or less, 0.003 or less, 0.002 or less, 0.001 or less, 0.0005 or less).

Abstract: Introduced here are techniques for generating color mixing models that enable a tunable lamp to mix the right amount of light from various color channels in order to properly produce colors. More specifically, a lamp controller can be configured to drive multiple light-emitting diode (LED) arrays based on corresponding color mixing models. One or more color mixing models can be provisioned into the memory of an LED array prior to usage. Storing the color mixing model in the LED array enables the lamp controller to update the color mixing model based on which LED array it is serving (i.e., the lamp controller and the LED array need not be a permanently matched set). Additionally or alternatively, the lamp controller may be configured to communicate with a network-accessible computer server system to access a historical color mixing database that includes set(s) of previously-recorded spectral properties and corresponding color mixing models.

Abstract: Present disclosure relates to a faceplate having programmable functionality markings for a switching device. The faceplate includes a functionality marking programmer, a functionality marking input interface, a functionality marking display and a circuit board. A user uses functionality marking programmer to designate switching device to a specific functionality with a corresponding functionality marking. The circuit board includes a control module.

Abstract: A control device configured for use in a load control system to control an external electrical load may provide simple feedback regarding the operation of the control device. For example, the control device may comprise a base portion configured to be mounted to an electrical wallbox or over a mechanical switch, and a control unit connected to the base portion. The control unit may comprise a rotation portion rotatable with respect to the base portion, an actuation portion, and a light source. The control unit may be configured to control the light source to illuminate at least an illuminated portion of the actuation portion in response to actuations of the rotation portion and the actuation portion. In addition, the control unit may provide a limit indication on the illuminated portion by blinking the illuminated portion when the electrical load has reached a limit.

Abstract: An LED light and communication system is in communication with a broadband over power line communications system. The LED light and communication system includes at least one optical transceiver light fixture. The optical transceiver light fixture includes a plurality of light emitting diodes, at least one photodetector, and a processor. A facility control unit is in communication with the light emitting diode light fixtures and a control server. The facility control unit is constructed and arranged to control the operation of the optical transceiver light fixtures.

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: Embodiments of the present invention include a lighting fixture(s), a computer program product and a computer-implemented method that include program code executed by a processor(s) that obtains a request to implement a specified lighting pattern in the lighting fixture(s). Each lighting fixture includes effect lighting communicatively coupled to the processor(s) and functional lighting (oriented to illuminate a surface below the lighting fixture) communicatively coupled to the processor(s). The program code identifies the specified lighting pattern in a memory communicatively coupled to the processor(s), which includes a sequence for illuminating a portion of the effect lighting elements. The processor(s) executes the specified lighting pattern in the lighting fixture(s).

Abstract: In some embodiments, a method includes receiving a signal indicating that a timeout timer associated with a space has crossed a threshold. If a motion sensor is disposed within the space, the method includes sending a signal to a wireless controller operatively coupled to a light source such that the wireless controller reverts to a default state. If (1) a motion sensor is not disposed within the space and (2) a light sensor is disposed within the space, the method includes sending a signal to the wireless controller such that the wireless controller is controlled by the light sensor.

Abstract: An example of an apparatus to determine a room type is provided. The apparatus includes a sensor to detect a motion event in a space. In addition, the apparatus includes a memory storage unit to store data associated with the motion event. Furthermore, the apparatus includes a communications interface to communicate with an external device. The communications interface is to transmit the local dataset to the external device and to receive an external dataset from the external device to be stored in the memory storage unit. The apparatus also includes an aggregator in communication with the memory storage unit to combine the local dataset with the external dataset to generate a motion signature. The apparatus further includes a matching engine to select a room type based on the motion signature.

Abstract: A system includes a control device and a plurality of lighting fixtures configured to receive power through the control device. Each lighting fixture includes a receiver and a memory, and is configured to: scan for a first message transmitted by the control device, the first message containing a unique identifier of the control device; receive the first message and store the unique identifier of the control device in the memory; sense a power interrupt to the lighting fixture initiated by the control device within a specified period of time after receipt of the first message from the control device; and transmit a second message including the unique identifier of the control device, the second message indicating that the lighting fixture is in a provisioning mode.

Abstract: One embodiment can provide a light switch module for controlling at least one light source coupled to the light switch module. The light switch module can include a manual control configured to receive a user manual operation; a control-signal-receiving module configured to receive, from a central controller, a control signal; and a switch-mode-configuration module coupled to the manual control and the control-signal-receiving module. The switch-mode-configuration module is configured to place the light switch in a first operation mode in response to receiving the control signal and place the light switch in a second operation mode in response to not receiving the control signal within a predetermined time interval.

Abstract: A controller handles control events in a system of networked home devices by: receiving a signal indicative of a control event, which is an actuation of a user input device; and in response, determining whether to perform a control function associated with a networked home device, that determination being made in dependence on a state of interaction between that device and a physical environment in which it is located at a time of the control event. If the control function is performed in response to the control event, it causes the networked home device to perform an action that changes the state of interaction between that device and the physical environment in which it is located. Otherwise, the controller causes another control function associated with a different networked home device of the system to be performed in response to the control event instead.

Abstract: Provided is a control loop and method for monitoring control loops to ensure low cost of commissioning. The method includes collecting a measurement data set from a sensor, determining a state of connectivity of the sensor, selecting parameters based on the state of the connectivity, and/or performing logical operations to evaluate the measurement data set from the sensor. The control loop is configured to determine the measured state of connectivity and determine if action is required.

Abstract: A protection system and operating method thereof promotes the longevity of components of a control subsystem. The protection apparatus may include a first connector for connecting to the control system and a second connector for connecting to a target system. The protection apparatus detects states of a component of the control subsystem over time and causes a state transition of a switching circuit of the protection apparatus based on the detected states of the control subsystem. The state transition of the switching circuit of the protection system may be initiated after a defined period of time has elapsed after detecting states of the control subsystem component. The state transition of the switching circuit may be a transition between an open state in which power is not provided to a node of the second connector and a closed state in which power is provided to the node of the second connector.

Abstract: Disclosed is an aircraft lighting system disposed in an environment of an aircraft. The system includes a housing. The system includes an illumination element disposed within the housing. The system includes energy generation circuitry configured to generate electricity from the environment. The system includes switching circuitry including a driver operable to control illumination of the illumination element and operated with a driver voltage. The system includes energy harvesting circuitry including a regulator configured to draw energy from the energy generation circuitry and output a regulator voltage at the driver voltage.

Abstract: A lighting fixture includes a solid-state light source and control circuitry. The control circuitry is configured to receive one or more ambient light level measurements corresponding to the amount of ambient light detected by an ambient light sensor, and determine a range of values for the one or more ambient light level measurements corresponding to a desired amount of light detected by the ambient light sensor. The control circuitry is then configured to drive the solid-state light source such that the one or more ambient light level measurements received from the ambient light sensor fall within the determined range of values.

Abstract: A wireless control device may include a housing, a yoke, an antenna, a communication circuit, and a control circuit. The yoke may be electrically conductive and be configured to mount the wireless control device to an electrical wallbox. The antenna may be configured to transmit and receive radio frequency signals. The antenna may be a slot antenna. The communication circuit may be configured to transmit and receive the radio-frequency signals via the antenna, and the control circuit may be responsive to the communication circuit (e.g., the signals received via the communication circuit). The control device may also include a conductive component that is attached to a front surface of the housing. For example, the conductive component may be electrically connected to the yoke via a single electrical connection (e.g., a screw). Further, the conductive component may be parallel with the antenna and configured to be capacitively coupled to the antenna.

Abstract: Disclosed is an aircraft lighting system disposed in an environment of an aircraft. The system includes a housing. The system includes an illumination element disposed within the housing. The system includes energy generation circuitry configured to generate electricity from the environment. The system includes switching circuitry including a driver operable to control illumination of the illumination element and operated with a driver voltage. The system includes energy harvesting circuitry including a regulator configured to draw energy from the energy generation circuitry and output a regulator voltage at the driver voltage.

Abstract: A daylight harvesting system includes a daylight harvester device that distinguishes the natural and artificial contributions to the light in a workspace. Distinguishing the contributions allows the values of the contributions to be combined in ways other than linearly summing them to obtain the total light. For example, when the natural light increases, the artificial light may be reduced by less than the natural-light increase to mitigate glare and/or shadows and other artifacts that might otherwise be present and objectionable. The daylight harvesting system can include a human-based sensor located in a workspace, e.g., on or close to a user, so the measurements it takes are not adversely affected by spatial variations across a room in the natural and artificial lighting.

Abstract: A smart window controller includes circuitry configured to establish a representative model of one or more building zones based on occupancy, construction, lighting, or cooling properties of a building. A lighting control strategy is implemented for the one or more building zones based on the representative model or one or more user preferences input at a first user interface screen of an external device. Automatic operations of one or more smart windows, cooling systems, or artificial lighting systems are controlled based on trigger points associated with the lighting control strategy, and a performance level of the lighting control strategy for the one or more building zones is determined based on one or more predetermined financial metrics.

Abstract: A smart window controller includes circuitry configured to establish a representative model of one or more building zones based on occupancy, construction, lighting, or cooling properties of a building. A lighting control strategy is implemented for the one or more building zones based on the representative model or one or more user preferences input at a first user interface screen of an external device. Automatic operations of one or more smart windows, cooling systems, or artificial lighting systems are controlled based on trigger points associated with the lighting control strategy, and a performance level of the lighting control strategy for the one or more building zones is determined based on one or more predetermined financial metrics.

Abstract: According to one embodiment, an adapter to connect an industry-standard low-voltage thermostat to a central HVAC system that may be a two-pipe system with a mains-voltage fan-coil unit that is equipped with a usage counter which may be read out wirelessly. Through the same wireless connection, the adapter may respond to changes in the price of electricity. Additional embodiments add features to the usage counter and communication capability.

Abstract: A power cord is described that includes “in-line” power control functionality. The power control functionality may selectively enable or disable a flow of electrical current through the power cord and/or selectively control an amount of electrical current that is permitted to flow through the power cord. The power control functionality may be activated and/or controlled through the receipt of control signals from an external device. The power cord may be configured to monitor the state of an electronic device to which it is connected and selectively activate and/or modify the operation of the power control functionality in response to the detection of a particular state of the electronic device. The power cord may also be configured to receive and analyze sensor data, and based at least on the analysis, selectively activate and/or modify the operation of the power control functionality.

Abstract: A method for photographing images, applied to a mobile terminal having a source, the method including: obtaining a current ambient light intensity; determining a target luminous intensity based on the current ambient light intensity, wherein the target luminous intensity is a luminous intensity of the light source upon a photographing operation is performed; and controlling the light source to emit light according to the target luminous intensity.

Abstract: The invention relates to an operating device for operating at least one lighting means comprising a grid input stage and at least one output stage connected to the grid input stage with output connections for connection to the lighting means, a control device for controlling the output stage or operation of the at least one lighting means, and a first digital bidirectional control interface for connection to a first external digital control bus with addressing functionality for receiving external control information, in particular a DALI (Digital Addressable Lighting Interface) interface. The operating device according to the invention is characterized in that it comprises a second digital bidirectional control interface for connection to a second external (in relation to operating device) digital control bus with addressing functionality, wherein first and second control interfaces are designed for operation with different data protocols.

Abstract: A lighting unit (10) for estimating an amount of daylight in a lighting environment includes: a light source (12); a filter (330) configured to block incident light in a first wavelength range, the incident light comprising both daylight and non-daylight incident light; a camera (32) configured to receive the filtered incident light and generate a detection signal (342), the filtered incident light being outside the first wavelength range; and a controller (22) in communication with the camera and configured to process the detection signal to estimate the amount of daylight incident light.

Abstract: According to one aspect disclosed herein, there is provided a lighting control system for controlling one or more luminaires of a lighting system to illuminate an environment, the lighting control system comprising: an interface for sending control commands to the luminaires; an automation component configured to: automatically control, via the interface, the luminaires according to a set of one or more automation rules stored in a memory accessible by the lighting control system; and a suppression component configured to: process data pertaining to a user in the environment from at least one data source to monitor activity exhibited by the user in the environment; detect a condition of increased user stress based on the activity monitoring; identify at least one of the automation rules as a potential cause of the increased user stress; and suppress or modify the identified automation rule for at least one of the luminaires based thereon.

Abstract: An illumination device comprising a plurality of light emitting diodes (LEDs) and a method for controlling the illumination device while avoiding flicker in the LED output is provided herein. According to one embodiment, the method may include driving the plurality of LEDs substantially continuously with drive currents configured to produce illumination, periodically turning the plurality of LEDs off for short durations of time during a first period to take measurements or communicate optical data, and increasing the drive currents supplied to the plurality of LEDs by a small amount when the LEDs are on during the first period to compensate for lack of illumination when the LEDs are periodically turned off during the first period.