Abstract: The invention relates to a lighting device having a first number of light-emitting elements and having a second number of control elements, operating contactlessly, for controlling the light-emitting elements such as especially for switching the light-emitting elements on or off and/or for controlling their brightness, the second number being less than or equal to the first number, the light-emitting elements being controlled contactlessly by a movement of at least one hand of a user over two or more control elements. The invention also relates to a relevant method.

Abstract: An operation method of an adaptive driving beam headlamp system includes: in response to receipt of a sequence of images, when it is determined that a nearby vehicle is in the sequence of images, determining whether the nearby vehicle is in a first condition moving in a direction opposite to a moving direction of a driving vehicle and approaching the driving vehicle, or is in a second condition moving ahead of the driving vehicle in the moving direction of the driving vehicle; calculating a area into which the nearby vehicle is projected to move based on whether the nearby vehicle is in the first or the second condition; and controlling a headlamp to dim a part of a high beam pattern that corresponds with the area.

Abstract: A camera controller for selectively controlling illumination around a vehicle comprises an image capture portion having a viewing area; an output for transmitting lighting control messages; and control logic. The control logic determines that a change in illumination is necessary in the viewing area and transmits a lighting control message at the output in response to the determination that illumination change is necessary. The lighting control message directs at least one lighting source associated with the vehicle in the viewing area of the camera controller to be adjusted.

Abstract: Disclosed herein is a lighting system configured to obtain an indicator data of a RF spectrum signal generated at a number of times in an area. At each respective one of the number of times, apply one of a plurality of heurist algorithm coefficients to each indicator data from each of the plurality of receivers for the respective time, based on results of the applications of the coefficients to indicator data, generate an indicator data metric value for each of the indicator data for the respective time, and process the indicator data metric values to compute an output value. The lighting system is further configured to compare the output value at each of the plurality of times with a threshold to detect one of an occupancy condition or a non-occupancy condition in the area and control the light source in response to the detected one of the occupancy condition or the non-occupancy condition in the area at each of the number of times.

Abstract: Embodiments of the present disclosure involve a detection circuit for a tube and a tube including the detection circuit. The detection circuit comprises: impedance connected between two ends of a tube; a voltage detector configured to detect voltage on the impedance; a voltage threshold circuit configured to provide a voltage threshold; a first control circuit configured to compare voltage across the two ends of the tube to the voltage threshold, and to control the voltage detector to detect only when the voltage across the two ends of the tube is smaller than the voltage threshold. By using the detection circuit of the present disclosure, it can detect whether a human body contacts the tube under protection state, to avoid of the risk of getting an electrical shock.

Abstract: A lighting device includes a light source that emits an illumination light. The light source includes a first group of light emitting diodes (LEDs) to emit a first light, a second group of LEDs to emit a second light, and a third group of LEDs to emit a third light. The second light is warmer light than the first light, and the third light is cooler light than the first light. The lighting device further includes a first difference amplifier that controls a first current flow through the second group of LEDs at least based on a magnitude of a current flowing through the light source. The lighting device also includes a second difference amplifier that controls a second current flow through the third group of LEDs at least based on the magnitude of the current flowing through the light source.

Abstract: PROBLEM: To improve the stability of the process of the plasma ignition, by allowing a high current to pass through an induction coil without increasing the power-supply voltage in the process of the plasma ignition. SOLUTION: An impedance conversion circuit 16 including an inductor 17 and a capacitor 18 is arranged between a full-bridge drive circuit 13 for switching DC voltage and an LC resonance circuit 19 including an induction coil 21 for plasma generation. The capacitance of the capacitor 18 can be varied between two levels, with a switching driver 23 serving as a switcher. When the plasma is to be ignited, the capacitance of the capacitor 18 is set at the higher level to allow a high current to be supplied to the LC resonance circuit 19. After the plasma is brought into a steady state of lighting, the capacitance of the capacitor 18 is changed to the lower level at which an impedance matching is achieved so as to maximize the power efficiency.

Abstract: A plasma processing apparatus includes a plasma generation unit configured to convert a processing gas supplied into a processing chamber into plasma by an inductive coupling. The plasma generation unit includes a first high frequency antenna formed of a vortex coil arranged adjacent to the processing chamber through a dielectric window, a second high frequency antenna having a natural resonant frequency and formed of a vortex coil arranged at an outer or inner peripheral side of the first high frequency antenna, and an impedance adjustment unit for adjusting a resonant frequency of a circuit viewed from the high frequency power supply toward the first high frequency antenna. The circuit viewed from the high frequency power supply toward the first high frequency antenna is configured to have two resonant frequencies depending on adjustment of the impedance adjustment unit when a frequency of high frequency power is changed.

Abstract: There is provided a dimming circuit, a dimming method and a LED driving circuit. On the basis of the dimming of a dimmer, the circuit according to the disclosure generates a plurality of current reference signals corresponding to a plurality of loads in accordance with a dimming signal, to change a ratio of load currents of the plurality of loads, so that, the adjustment of color temperature is implemented, wherein the dimming signal represents the changes of switching operation or dimming speed of the dimmer, and the ratio of current load currents of the plurality of loads is latched or a predetermined ratio of load currents is latched. According to the disclosure, the dimmer can be used for directly adjusting color temperature, without the need for a MCU, so that, the system compatibility is improved and the cost is decreased.

Abstract: Disclosed herein is a lighting system configured to obtain an indicator data of a RF spectrum signal generated at a number of times in an area. At each respective one of the number of times, apply one of a plurality of heurist algorithm coefficients to each indicator data from a receiver for the respective time, based on results of the applications of the coefficients to indicator data, generate an indicator data metric value for each of the indicator data for the respective time, and process the indicator data metric values to compute an output value. The lighting system is further configured to compare the output value at each of the plurality of times with a threshold to detect one of an occupancy condition or a non-occupancy condition in the area and control the light source in response to the detected one of the occupancy condition or the non-occupancy condition in the area at each of the number of times.

Abstract: An electric power supply device for a plurality of light sources on a motor vehicle. The device includes a plurality of control units configured to control electric power supply of at least one respective light source. The control units each include a diagnostic unit configured to deliver a diagnostic signal for the respective light source. According to the invention, the device is designed to deliver two binary signals for the identification of a partial failure and for the identification of a total failure of light sources.

Abstract: The invention relates to an assembly which consists of control gear for lamps and an electric circuit, said control gear comprising at least one energy transmission element, for example a transformer. The electric circuit has an inductive coupling element arranged in a stray magnetic field of the energy transmission element. The electric circuit comprises a voltage supply unit designed to produce a supply voltage for the electric circuit from energy absorbed from the stray magnetic or electromagnetic field of the energy transmission element.

Abstract: An illuminated badge system is provided for a motor vehicle. The illuminated badge system includes an illuminated badge and a controller. The controller is configured to adjust a parameter of the light emitted from the illuminated badge in response to a designated operating parameter such as the headlight status of the motor vehicle.

Abstract: The invention proposes a device and a method which make it possible to manage the light fluxes emitted respectively by fixed and mobile parts of a light device for a motor vehicle. It is noteworthy that the management of the light fluxes takes into account the relative position between the different parts of the light device.

Abstract: A vehicle headlamp system providing a glare-free high beam. A forward image-capturing device captures a forward image ahead of a vehicle on which the headlamp system is disposed. A blind spot sensor detects blind spots to side and rear of the vehicle. A headlamp lights ahead of the vehicle based on a set illumination area. An electronic control unit (ECU) generates a control command for controlling an illumination area of the headlamp, based on the forward image captured using the forward image-capturing device and information regarding the blind spots detected by the blind spot sensor. A driving unit drives the headlamp based on the control command from the ECU.

Abstract: A light control system having a central control engine, at least one light sensor, and at least one light source. The central control engine is configured to receive illumination data from the light sensor. The light data represents an actual light profile. The central control engine is configured to retrieve a target light profile for a user and adjust an illumination of the light control system based on the target light profile for the individual user.

Abstract: An arrangement for operating an organic radiation-emitting component (D) is specified. The arrangement comprises a driver circuit (T) with at least two driver outputs (TA1, TAn), a decoupling unit (E) with at least two inputs (EE1, EEn) and outputs (EA1, EAn) corresponding to the inputs (EE1, EEn), the radiation-emitting component (D) with at least two electrodes (DE1, DEn), and a contact sensor (S) with a sensor electrode (SE1) which is at least partially formed by one of the electrodes (DE1, DEn) of the radiation-emitting component (D). The radiation-emitting component (D) emits electromagnetic radiation during operation. One of the driver outputs (TA1, TAn) of the driver circuit (T) is coupled in each case, in a low-impedance manner using DC technology, to one of the electrodes (DE1, DEn) of the radiation-emitting component (D). The driver circuit (T) and the contact sensor (S) can be coupled to a common energy source (Q).

Abstract: A light source is provided that includes at least two semiconductor light-emitting elements that emit light of different color, a light guide, an electronic control unit, and a light sensor. The light emitted by the elements is injected, at least partially, into the light guide and exits laterally from the light guide. The brightness of the elements can be adjusted by the electronic control unit. The light sensor is arranged to receive the light injected by the elements and laterally exiting from the light guide. The electronic control unit accumulates sensor signals from the light sensor over an integration time interval and compares the accumulated signals with a target value or range to determine a difference, changes a brightness of the elements in response to the difference, and changes the integration time interval in response to the difference or to a change in the target value.

Abstract: A lighting system having a plurality of lighting devices electrically connected thereto includes a control unit connected lighting devices and adapted to individually control the switching on of each lighting device according to a predetermined lighting program, and a user device adapted to communicate with the control unit and having a camera that acquires a sequence of images of the surrounding environment. The control unit implements a system configuration step that activates each lighting device according to a respective switching-on sequence, and the user device analyzes the sequence of images acquired during the system configuration step to determine the spatial position and/or identification code of each lighting device, and sends corresponding information to the control unit. The control unit is also adapted to implement a lighting program that considers the spatial positions of the lighting devices determined by the user device.

Abstract: A display system includes a display device having a screen, a lamp, a first optical sensor, a second optical sensor, and a controller. The controller is configured to adjust the luminance parameter of the lamp according to the environmental light parameter detected by the first optical sensor and then adjust the display parameter of the screen according to the overall brightness of the display device detected by the second optical sensor.