Abstract: A method of determining the power consumption of a lighting device, the lighting device comprising a lamp unit for emitting illumination to illuminate a space, and a powering device which supplies an electrical power signal to power the lamp unit to emit said illumination. The method comprises: storing power consumption data of a plurality of types of powering device under different lamp unit loading conditions; at the lamp unit, determining a type of the powering device to which the lamp unit is coupled; at the lamp unit, determining an operating status of the lamp unit; determining the corresponding power consumption of the powering device from the stored power consumption data, based on the determined type of powering device, and the operating status of the lamp; and calculating the total power consumption of the lighting device as the sum of the power consumption of the powering device and the lamp unit.

Abstract: A compound double coaxial line atmospheric pressure low-temperature microwave plasma jet source includes an outer coaxial line, and an inner coaxial line arranged inside the outer coaxial line. The outer coaxial line includes a tube body. A metal tube is arranged in the tube body. A short-circuit plunger is arranged at the bottom of the metal tube. The inner coaxial line includes a needle electrode, and the needle electrode is arranged in the metal tube. A first gas inlet is arranged on the tube body, and the first gas inlet is connected between the tube body and the metal tube. A second gas inlet is arranged at the bottom of the metal tube, and the second gas inlet is connected between the metal tube and the needle electrode. The tube body is further provided with a microwave input port, and the microwave input port is connected to the metal tube.

Abstract: To prevent a decrease in luminance of the flashed high-beam headlights caused by ambient temperature in a vehicle headlight system using a liquid crystal element. The vehicle headlight system for selectively irradiating light in front of an own vehicle includes: a light source; a liquid crystal element for forming an image using light from the light source where the liquid crystal element is a normally closed liquid crystal element having a relatively low transmittance when no voltage is applied thereto; a driving circuit for driving the liquid crystal element; and a control part that determines whether or not the light source is in a light-off state and controls the driving circuit to set the liquid crystal element to a transmission state when the light source is in the light-off state.

Abstract: A method for radio frequency impedance matching includes performing frequency scanning matching using first n pulse phases of first m pulse periods as a frequency scanning stage, and from an (m+1)-th pulse period to an M-th pulse period, maintaining a frequency scanning parameter of a pulse phase corresponding to each frequency scanning stage of each pulse period. The radio frequency includes M pulse periods, each pulse period includes N pulse phases, M and N are integers greater than 1, m and n are integers greater than 0, m<M, n?N, and i=1, 2, . . . , m. A start value of the frequency scanning parameter of each frequency scanning stage of an (i+1)-th pulse period is consistent with an end value of the frequency scanning parameter of each frequency scanning stage of the i-th pulse period. Accordingly, an end value of the frequency scanning parameter of each frequency scanning stage of an m-th pulse period matches a preset target value of the frequency scanning parameter.

Abstract: The present invention relates to a base station antenna, comprising: a plurality of first radiating elements that are arranged as a first vertically-extending array; a plurality of second radiating elements that are arranged as a second vertically-extending array, where the second radiating elements are staggered in the vertical direction with respect to the first radiating elements; wherein phase centers in an azimuth plane for first sub-arrays of the first radiating elements are substantially the same as phase centers in the azimuth plane for respective third sub-arrays of the second radiating elements, and wherein the first sub-arrays each have a first number of first radiating elements and the third sub-arrays each have a second number of second radiating elements, the first number being different than the second number. This can effectively improve the pattern of the base station antenna.

Abstract: A controllable light source is provided that includes a load control circuit and an integrated lighting load. The controllable light source is configured to receive wirelessly communicated commands transmitted by a remote control device associated with the controllable light source, such as a rotary remote control device. The controllable light source may include an actuator for associating the controllable light source with the remote control device, such that the load control circuit is operable to adjust the intensity of the lighting load in response to wireless signals received from the remote control device. The controllable light source may support the actuator such that the actuator may be actuated when the controllable light source is installed in a fixture.

Abstract: A lighting driver is for receiving an alternating current power supply from a fluorescent lighting ballast. A shunt device is provided for selectively shunting the power supply to implement dimming control. A detector is provided for generating a detection signal and for providing the detection signal to the control circuit to operate the shunt device. The detector has a detection circuit for analyzing a voltage at the driver input and generating 5 the detection signal accordingly, when the voltage is detected. In addition, for situations where the voltage detection does not correctly generate the detection signal, a correction circuit generates the detection signal for a time delay from the end of operating the shunt device. This prevents control stability problems at low dimming levels.

Abstract: The lighting apparatus includes a driver circuit and a lighting system. The driver circuit includes a signal receiver module, a signal processing module and a signal execution module. The signal receiver module is configured to receive a parameter signal of a coding device. The signal processing module is connected to the signal receiver module. The signal processing module is configured to convert the parameter signal into a PWM signal. The signal execution module is connected to the signal processing module. The signal execution module is also configured to convert an alternating current input power source into a direct current power source. The direct current power source is filtered based on the PWM signal. In this way, the filtered direct current power source matches a required power source of the lighting apparatus. The lighting apparatus solves low inapplicability and compatibility that occurs in the driver circuit of the convention art.

Abstract: An electronic device including an antenna module is provided. The electronic device includes a 5th generation (5G) antenna module that includes an antenna array, at least one conductive region operating as a ground with respect to the antenna array, and a first communication circuit feeding a power to the antenna array to communicate through a millimeter wave signal, and a printed circuit board (PCB) that includes a second communication circuit and a ground region. The second communication circuit feeds the power to an electrical path at least including the at least one conductive region and transmits or receives a signal in a frequency band different from a frequency band of the millimeter wave signal based on the electrical path supplied with the power and the ground region.

Abstract: An electrochromic adaptive driving beam system for a vehicle includes a vehicle headlamp, a high-beam light source, and a low-beam light source. The vehicle headlamp includes an electrochromic material that covers the high-beam light source attached to the vehicle headlamp. The low-beam light source is uncovered by the electrochromic material of the vehicle headlamp. The electrochromic material is transparent to transmit light projected from the high-beam light source and changes opacity to reduce glare projected from the high-beam light source through the vehicle headlamp in response to a voltage.

Abstract: Systems and methods for increasing peak ion energy with a low angular spread of ions are described. In one of the systems, multiple radio frequency (RF) generators that are coupled to an upper electrode associated with a plasma chamber are operated in two different states, such as two different frequency levels, for pulsing of the RF generators. The pulsing of the RF generators facilitates a transfer of ion energy during one of the states to another one of the states for increasing ion energy during the other state to further increase a rate of processing a substrate.

Abstract: The present disclosure relates to a plasma device for alleviation of various skin troubles or for skin care, and provides a remote type plasma device wherein a plasma spray device is separated from the body thereof and is connected to a controller in the body. Plasma is produced under atmospheric pressure at room temperature. The plasma device of the present disclosure includes a dielectric barrier and thus can maintain stable glow discharge. Atmospheric plasma is unexceptionally sprayed through a ground electrode, and thus does not electrically irritate the skin at all.

Abstract: A method is provided for calculating illumination setting values for light sources of a headlamp from a light distribution that is to be set. First, the light distribution that is to be set is read in. Then, the illuminance target values for pixels of an illumination area are calculated from the light distribution that is to be set, which are to be achieved by setting the light sources of the headlamp in order to set the read-in light distribution. Finally, the illuminance setting values for the light sources are calculated from the target values. Further, at least one illuminance setting value to which this light source is set is calculated iteratively for each light source of the headlamp.

Abstract: Method of and device for commissioning a lighting system including a plurality of lighting fixtures positioned at a plurality of physical locations. The lighting fixtures are mapped to a respective physical location using signals generated by the lighting fixtures and received at multiple detection locations by at least one or more detecting devices integrated with or external to the lighting fixtures. In particular, the method applies a probability-based algorithm to distances from the physical locations to multiple detection locations, and RSSI levels of signals received at the detection locations to determine a probability of having a respective lighting fixture located at a respective physical location. The method provides for commissioning the lighting system without traversing all the physical locations of lighting fixtures, resulting in a reduction of both work load for conducting the commissioning of the lighting system and processing power required for the commissioning.

Abstract: The present disclosure describes an electronic device that is capable of coordinating the control of various types of lights. For example, the electronic device may receive data indicating conditions for activating the light emitters. The electronic device may then obtain sensor data generated by various sensors, such as motion sensors, light sensors, or a timer. Using the sensor data, the electronic device may determine that the conditions are satisfied and, in response, cause the light emitters to activate. To activate a first type of light emitters, the electronic device may cause power to be provided to the first type of emitters via connectors. Additionally, to activate additional types of light emitters, the electronic device may transmit signals to the additional types of light emitters that include commands to activate. The additional types of light emitters may be powered by the electronic device or external power sources.

Abstract: An antenna unit, including a radiator, a dielectric layer and an antenna ground plane which are sequentially stacked. The radiator includes a first antenna unit and a second antenna unit that are opposite to, spaced apart from and structurally complementary to each other. The first antenna unit is provided with a feeding point connected to an external power source and two first grounding points connected to the antenna ground plane. The second antenna unit is provided with three second grounding points connected to the antenna ground plane. Compared with the related art, the antenna unit provided by the present disclosure works in the 37-42.5 GHz band, has a good antenna performance, wide working band, simple structure, and low profile, and is easy to implement.

Abstract: The present disclosure provides an intelligent lighting control system. A detector circuit of a lighting control module detects a line voltage of an electrical line connected to a power terminal of the light control module. The lighting control module is configured to cause a transmission of a quantity of electrical energy to a lighting circuit of a light fixture electrically connected to the lighting control module. The lighting control module reduces a flow of electricity transmitted to the lighting circuit to turn off the respective light fixture in response to detecting substantially no change in the line voltage over a pre-specified period of time.

Abstract: A motor vehicle lock arrangement for a motor vehicle door which is adjustably coupled to a motor vehicle body work, wherein the motor vehicle lock arrangement has a motor vehicle lock wherein the motor vehicle lock arrangement has a push-open arrangement for applying a drive force to the motor vehicle door in its opening direction, so that the motor vehicle door can be adjusted, in a motor-operated push-open process, from a closed door position into a push-open door position which is located further in the opening direction of said motor vehicle door, and as a result an engagement gap can be produced between the motor vehicle door and the motor vehicle body work. It is proposed that the motor vehicle lock arrangement has a light arrangement and a light controller for actuating the light arrangement.

Abstract: A sensor for sensing environmental characteristics of a space may include a visible light sensing circuit for recording an image of the space and a control circuit responsive to the visible light sensing circuit. The control circuit may detect an occupancy or vacancy condition in the space in response to the visible light sensing circuit, and measure a light level in the space in response to the visible light sensing circuit. The control circuit may also include a low-energy occupancy sensing circuit for detecting an occupancy condition in the space. The control circuit may disable the visible light sensing circuit when the space is vacant. The control circuit may detect an occupancy condition in the space in response to the low-energy occupancy sensing circuit and subsequently enable the visible light sensing circuit. The visible light sensor may be configured in a way that protects the privacy of the occupants of the space.

Abstract: A method and apparatus for operating a semiconductor light source is presented. In particular there is a current regulator for regulating a current flowing through a light emitting diode device. The current regulator includes a first switch for receiving a first current flowing through the semiconductor light source and a control circuit coupled to the first switch and adapted to provide a second current proportional to the first current. The current regulator is adapted to regulate the first current using the second current.