Abstract: A retrofit lighting system is provided comprising a power supply assembly configured to convert an AC input voltage into a DC output voltage and to adapt the DC output voltage to a substantially constant current level to be defined as a regulated current, at least one distribution wire in electrical communication with the power supply assembly and configured to conduct the regulated current, and at least one respective luminaire assembly spaced apart from and in electrical communication with the power supply assembly, and configured to receive the regulated current from the at least one distribution wire. The DC output voltage may be about 12 volts or less.

Abstract: Systems and methods for tuning a radio frequency (RF) generator are described. One of the methods includes supplying, by a high frequency RF generator, a high frequency RF signal to the IMN. The method includes accessing a plurality of measurement values of a variable measured at an output of the high frequency RF generator to generate a parameter. The variable is measured during a plurality of cycles of operation of a low frequency RF generator. The measurement values are associated with a plurality of values of power supplied by the high frequency RF generator. The method includes determining, for one of the cycles, a value of a frequency of the high frequency RF generator and a value of a factor associated with a shunt circuit of the IMN for which there is an increase in efficiency in power delivered by the high frequency RF generator.

Abstract: A sound adapting luminaire produces an amount of cooling output that depends on the ambient sound. When the ambient sound is high, the lamp is cooled more aggressively, since more fan noise is acceptable.

Abstract: The disclosure relates to devices, systems, and methods to set, adjust, and/or maintain lumen levels of luminaires in a lighting system, for example. The lights may be a plurality of Light Emitting Diode (LED)-based luminaires, which are part of a smart illumination system. In certain exemplary embodiments, sensor subsystems detect degradation of luminaire lumen levels and servers/gateways are used to adjust dimming controls to reestablish proper lumen levels and predict a half-life or end of life for the luminaires.

Abstract: A light source apparatus according to an embodiment of the present technology includes a plurality of light source portions, a plurality of temperature adjustment units, and a drive control unit. The plurality of temperature adjustment units are capable of respectively adjusting temperatures of the plurality of light source portions. The drive control unit is capable of controlling a drive timing of each of the plurality of temperature adjustment units.

Abstract: The utility model discloses a vertical driving power supply for a lamp a LED controller with Bluetooth, comprising a mobile terminal for issuing the manipulation instructions; and a control module with Bluetooth, which is wireless communicating with the mobile terminal, so that the manipulation instructions from the mobile terminal are converted to a control signal that is output; and a driving circuit connected to an output terminal of the control module with Bluetooth, controlling of turn on or off a control signal provided by the control module with Bluetooth. which can improve the intelligent control of the LED lights, and make the operation process more interesting.

Abstract: Systems and methods which leverage the wireless communication capability present in wireless-enabled luminaires where the lamps include a short-range wireless transceiver and can be controlled by a smart appliance. The wireless capability of a luminaire may be paired with a compatible wireless interface system (e.g., adapter system) that allows for control of the luminaire via plug-in or hard-wired photocontrols and wireless network lamp control nodes. An adapter system may be provided that replaces a standard wired receptacle of a luminaire. The adapter system may include a wired interface to the luminaire which provides power to the wireless adapter system. The wireless adapter system may include a receptacle interface that receives a plug of a control node, such as photocontrol or a networked control node. The wireless adapter system may also include a wireless interface circuit that communicates control, status or other data between the connected control device and the luminaire.

Abstract: Aspects of the present disclosure include a dimming device comprising a dimming signal interface module which includes an optical coupling module and an analog-digital converter module having its input terminal connected to the input terminal of the dimming signal interface module and its output terminal selectively connected to the optical coupling module. The dimming signal interface module may receive digital signals and analog signals. When the analog signals are received by the input terminal of the dimming signal interface module, the analog-digital converter module may convert the analog signals to square-wave signals and output the square-wave signals to the optical coupling module. When digital signals are received by the input terminal of the dimming signal interface module, the output terminal of the analog-digital converter module may be disconnected from the optical coupling module. The dimming device may be able to receive digital and analog control signals to be used for dimming.

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: The present invention describes a method for measuring and evaluating operating parameters in lighting technologies for smart switches. Said method is characterized in that from the acquisition and filtering of data the measurement of current consumption, determination of technology type, detection of the irregular behavior in the operation of the at least one lighting device and determination and selection of the dimming mode are obtained through different functions which comprise a number of steps which, when performed, obtain the different results corresponding to each function and which are used and sent to a central module.

Abstract: The present invention refers to an Electrical Power System (EPS) or Power Supply for a smart dimmer for controlling the intensity of illumination of a dimmable lighting load within an electrical installation that has two or three wires in the switch box (two-wire and three-wire switches). The Power Supply is able to detect and control different types of lighting technologies, such as incandescent or LED bulbs. The Power Supply also provides a voltage signal indicating the current consumed by the lighting loads.

Abstract: A control device for power delivered to electrical loads in a load control system via respective load control devices may comprise a programming user interface for programming the operation of the load control system. The control device may be configured to select one or more load control devices in response to successive actuations of a programming button of the programming interface. The control device may be configured to controllably illuminate visual indicators of the programming interface to indicate which of the load control devices is selected in response to successive actuations of the programming button. The control device may transmit programming information to the load control devices. The programming information may determine which of the load control devices are responsive to a digital message transmitted on the digital communication link.

Abstract: An LED strip operable with a single input source of current providing for an extended length LED strip of continuous illumination. The LED strip includes a repeating pattern of LED circuits along a printed circuit board; each LED circuit having a constant current regulator and a plurality of LEDs in serial configuration with the constant current regulator.

Abstract: Provided is an ultra-high efficiency LED lamp driving device comprising: a plurality of shift switches connected to tabs between LED lamps; and an LED shift control unit for driving the shift switches so that lighting of the LED lamps is shifted to an end terminal when a total operation threshold voltage value of the LED lamp is equal to or greater than a maximum value of an input voltage, and thus, an unlighted LED lamp exists. The present invention can make the power loss be zero to thereby increase the efficiency.

Abstract: The present light-actuated wide voltage range LED lamp driver circuit includes a rectifier module, two LED modules, a detection module, a control module, a light actuated module, an actuator and a main relay. The output terminals of the rectifier module are connected to the detection module and the control module respectively, and the detection module and the two LED modules are respectively connected to the control module. The detection module includes a transistor Q1 and a transistor Q2. In the low voltage range, both of the transistor Q1 and the transistor Q2 are turned off, making the two LED lamp modules connected in parallel; while In the high voltage range, both of the transistor Q1 and the transistor Q2 are turned on, making the two LED lamp modules connected in series.

Abstract: LED lamp systems having improved light quality are disclosed. The lamps emit more than 500 lm and more than 2% of the power in the spectral power distribution is emitted within a wavelength range from about 390 nm to about 430 nm.

Abstract: A method of controlling a mirror display and an electronic device are provided. The method includes identifying whether external power is input to the electronic device; and providing operation power to the mirror display by selectively providing one of the external power and battery power to the mirror display as the operating power according to whether the external power is input to the mirror display.

Abstract: A luminaire can include a housing having at least one outer surface that forms a cavity. The luminaire can also include an aperture that traverses the at least one outer surface of the housing. The luminaire can further include a substrate disposed within the cavity. The luminaire can also include an electrical connector disposed on the substrate adjacent to the aperture. The luminaire can further include a dial coupled to the electrical connector, where dial has a range of positions, where each position within the range of positions of the dial corresponds to a discrete correlated color temperature (CCT) output by multiple light sources of the luminaire.

Abstract: A system of control of interconnected signal emitters comprises controller modules, microcontrollers, electronic drivers and signal emitters. The connection input of each electronic driver is connected to the output of another electronic driver or to the output of a microcontroller, and the single output of each electronic driver is connected to the single connection input of another electronic driver or to the output of a microcontroller; each electronic driver being part of a driver chain between controller modules. Described developments comprise the use of Light-Emitting Diodes (LEDs), LED strips, sensors (e.g. ambient light, distance, motion, proximity, imaging, audio, temperature, pressure, etc), wired and/or wireless communication interfaces, power supply configurations and different topological arrangements (e.g. 2D, 3D, unidirectional or bidirectional arrangements, root or bridge vertices, interactive mesh, k-cyclic graphs, etc). Associated method steps (e.g.

Abstract: Various aspects of the present disclosure are directed toward apparatuses, methods, and systems for presenting boosted power regulation to a load. These aspects include a power-switching circuit that selectively passes current in response to a boost-converter control circuit. A current-control circuit selectively powers the load in response to the power-switching circuit passing current.