Abstract: A method for controlling a mobile terminal that includes a display and a memory, and that controls one or more lighting devices that illuminate one or more spaces. The method causes a computer of the mobile terminal and includes obtaining terminal location information indicating a location of the mobile terminal, rearranging one or more scene icons corresponding to the one or more scenes on the basis of the terminal location information and the one or more pieces of scene location information, displaying the rearranged one or more scene icons on the display, and transmitting, if one of the one or more scene icons is selected by a user, a control signal for controlling the one or more lighting devices to the one or more lighting devices, so that the one or more spaces are illuminated in an illumination state indicated by a scene corresponding to the selected scene icon.

Abstract: A voltage or current regulated power converter is presented. The power converter is configured to derive electrical power at an output voltage Vout at an output of the power converter from electrical power at an input voltage Vin at an input of the power converter, wherein the output voltage Vout is greater than or equal to the input voltage Vin. The power converter comprises an inductor, a plurality of capacitors and a plurality of switches. The input and output unit are coupled via an intermediate point, wherein the output unit comprises a first output or second output arrangement, and wherein the input unit comprises a first input or a second input arrangement. The power converter comprises a controller configured to control the plurality of switches such that a commutation cycle of the power converter comprises a plurality of different operation phases.

Abstract: A reservoir for storing and supplying a portion of a reservoir gas into a gas-filled tube is presented. The reservoir includes a first vessel having a thermally conductive surface, a meshed vessel having a lid, and placed inside the first vessel to form a cavity between the meshed vessel and the first vessel, at least one tray placed inside the meshed vessel to divide an inner space of the meshed vessel into a plurality of compartments, a sorbent material placed inside the plurality of compartments in the meshed vessel, a temperature control device positioned such that a first portion of the temperature control device is in physical contact with at least a portion of the thermally conductive surface, and a change in the temperature of the temperature control device changes the temperature of the sorbent material, wherein the reservoir gas is retained by the sorbent material at the storage temperature.

Abstract: The present invention supplies desired DC output power to a first LED load and a second LED load whose color temperature is different from that of the first LED load, includes a switching element, ripple current reducers series-connected to the respective LED loads and for reducing current ripples flowing through the LED loads, and a control circuit for controlling the DC output power so that it has a predetermined value, by performing on-off control of the switching element based on a feedback voltage at a connecting point between each of the LED loads and a corresponding one of the ripple current reducers. Each ripple current reducer has feedback-type constant current control circuits for performing control for varying impedance, and the present invention also includes color controllers for performing color control by maintaining a total LED current value of the first and second LED loads at a certain value.

Abstract: A system includes first, second, and third sets of LEDs. The first set of LEDs generates ultraviolet light and converts the ultraviolet light to blue light using a phosphor coated on the first set of LEDs. The second and third sets of LEDs generate blue light and convert the blue light to green, yellow, and red light using phosphors coated on the second and third sets of LEDs. The second set of LEDs outputs less red light than green light. The third set of LEDs outputs less green light than red light. A combination of the blue, green, yellow, and red light output by the first, second, and third sets of LEDs produces white light.

Abstract: An ignition apparatus includes: sparking coil supplying a sparking plug with a high voltage; an energy supply device supplying the sparking coil with energy; a first switch disposed therebetween; and a control device controlling the first switch's conduction. The energy supply device has a DC power supply, a resonance coil connected to the DC power supply, a sparking capacitor connected to the resonance coil, and a second switch disposed between the sparking capacitor and an earth, and charges the sparking capacitor to have a voltage value larger than that of the DC power supply in absolute value by making the resonance coil and the sparking capacitor generate an LC resonance when the second and first switches are turned ON and OFF, respectively, according to an instruction from the control device whereas supplying the sparking coil with energy when the second and first switches are operated inversely according to another instruction.

Abstract: In one embodiment, a processing apparatus includes a plasma chamber configured to house a plasma comprising first ions and second ions. The apparatus may further include a resonance RF power supply to generate a drive signal that is coupled to the plasma chamber, the drive signal having a drive frequency. The apparatus may also include a magnet assembly to generate a magnetic field in the plasma chamber, wherein the magnet assembly is configured to generate a first magnetic field strength that imparts a first cyclotron frequency for the first ions that matches the drive frequency of the drive signal, wherein the first magnetic field strength imparts a second cyclotron frequency for the second ions that does not match the drive frequency of the drive signal, and wherein the first ions are selectively driven into a chamber wall of the plasma chamber.

Abstract: An backlight adjustment circuit (20), configured to adjust luminance of light emitted by one light-emitting diode (LED) string (11) of a LED module (10), the LED string (11) includes a plurality of LEDs (D) and a current control resistor (R). The backlight adjustment circuit (20) includes a light sensing circuit (21) for sensing the luminance of one corresponding LED string (11) and producing a corresponding light sensing signal value; a comparison unit (22) for comparing the light sensing signal value with a preset reference value, and producing a first signal when comparing the light sensing signal value is less than the preset reference value, else producing a second signal; and an adjustment unit (23) for decreasing the luminance of the LED string (11) when receiving the first signal and increasing the luminance of the LED string (11) when receiving the second signal.

Abstract: This application relates to a lighting system comprising a plurality of light emitting diode, LED, circuits, and a power source for providing a drive voltage to the plurality of LED circuits. For each LED circuit, the lighting system comprises a first variable resistance element connected between the respective LED circuit and ground, and a first feedback circuit configured to control a voltage at a first node between the respective LED circuit and the respective first variable resistance element to a first voltage. The lighting system further comprises a current source and a second variable resistance element connected between the current source and ground, wherein each first variable resistance element is configured to attain a resistance value depending on a resistance value attained by the second variable resistance element.

Abstract: In one embodiment, an AC-DC power converter can include: (i) a rectifier bridge and filter to convert an external AC voltage to a DC input voltage; (ii) a first energy storage element to store energy from the DC input voltage via a first current through a first conductive path when in a first operation mode; (iii) a second energy storage element configured to store energy from a second DC voltage via a second current through a second conductive path when in the first operation mode; (iv) a transistor configured to share the first and second conductive paths; (v) the first energy storage element releasing energy to a third energy storage element and a load through a third conductive path when in a second operation mode; and (vi) the second energy storage element releasing energy to the load through a fourth conductive path during the second operation mode.

Abstract: In various embodiments, a control system for an electronic circuit iteratively applies voltage to and senses current from a load to regulate operation of the load.

Abstract: In various embodiments, a control system for an electronic circuit iteratively applies voltage to and senses current from a load to regulate operation of the load.

Abstract: Programmable module (1) for a modular installation (IN), comprising:—a support base (2) delimited by edges (20);—at least one signal transmitter (3);—at least one measurement sensor generating local-measurement data;—at least one controller (4) driving the transmission of the signals and receiving the local-measurement data;—at least two connectors (5) fixed on the edges of said base and exhibiting an electrical power supply interface, and a bidirectional communication interface connected to the controller and exhibiting a communication input and a communication output; where at least one of said connectors may be connected with a connector of a neighbouring module in the modular installation so as to allow a bidirectional communication between the controller of said module and the controller of said neighbouring module and a distributing of the electrical power supply between the modules. The present invention finds an application in the field of luminous installations.

Abstract: Systems and methods are provided for lighting systems, including high output lighting systems for various environments. The lighting systems include a lighting controller for driving lighting modules and transmitting a data signal to the lighting modules. The data signal varies between logical states. The lighting controller provides a low loss rectified power signal. The lighting controller further provides data within the power signal by forming a positive polarity rectified power waveform corresponding to data in a first state and a negative polarity rectified waveform signal corresponding to data in a second state using substantially loss-less circuitry.

Abstract: An illumination device and method is provided herein for controlling an LED illumination device, so that a desired luminous flux and a desired chromaticity of the device can be maintained over time as the LEDs age. According to one embodiment, the method determines an expected wavelength value and an expected intensity value for each emission LED included within the illumination device at the drive current currently applied to the emission LED and the present emitter forward voltage. In addition, the method determines a photodetector responsivity for each emission LED at the expected wavelength value and the present photodetector forward voltage. The photodetector responsivity calculated for each emission LED is used as a reference for adjusting the lumen output of the emission LED to account for LED aging affects.

Abstract: Intelligent illumination device are disclosed that use components in an LED light to perform one or more of a wide variety of desirable lighting functions for very low cost. The LEDs that produce light can be periodically turned off momentarily, for example, for a duration that the human eye cannot perceive, in order for the light to receive commands optically. The optically transmitted commands can be sent to the light, for example, using a remove control device. The illumination device can use the LEDs that are currently off to receive the data and then configure the light accordingly, or to measure light. Such light can be ambient light for a photosensor function, or light from other LEDs in the illumination device to adjust the color mix.

Abstract: An electric driver circuit for driving a light-emitting diode may be operated in a regulation operation mode to generate an output voltage to drive a predefined current through the light-emitting diode. The electric driver circuit is operated in a start-up operation mode before the regulation operation mode. The operation of the electric driver circuit in the start-up operation mode enables that a coil current generated in an inductor can be completely discharged before starting the regulation operation mode.

Abstract: A system and method reduces power consumption by an electronic power control system when a controller of the electronic power control system reduces sense signal monitoring during a standby mode of the controller. The electronic power control system includes a controller to control a switching power converter. The controller operates in at least two modes, standby and active modes. Energy savings during standby mode can be achieved in a variety of current and/or voltage sensing configurations. During the standby mode, the controller generates a signal to at least intermittently disable sensing of an input voltage to the switching power converter or at least intermittently disabling sensing of an input voltage and an output voltage. Disabling sensing reduces energy losses associated with an input voltage sense signal itself and with circuitry in the controller used to process the input voltage signal.

Abstract: A processor receives data associated with a device. On the basis of the data associated with the device, the processor modulates a light from the artificial light source at a rate imperceptible to a human eye while detectable by a light sensor device. The modulated light is representative of the data associated with the device. The modulated light is detected, demodulated, and decoded by the light sensor device to retrieve the data associated with the device. Further, the data associated with the device is presented by the light sensor device to a user. In addition, the light sensor device is configured to receive input data from the user and communicate the input data to the processor via a wireless link. The processor is configured to receive the input data from the light sensor device and effect a change in a characteristic of the device based on the received input data.

Abstract: An air conditioning system controller for motor vehicles includes a mood lamp, an illumination device configured to illuminate the mood lamp with a variable illumination color, and a control unit configured to control the illumination device to change the illumination color of the illumination device depending on a cooling/heating load.