Abstract: A high frequency power supply member for supplying high frequency power includes: an inner conductor that forms a hollow; and an outer conductor arranged to surround the inner conductor, wherein a refrigerant flow path is provided inside a wall surface of at least one of the inner conductor and the outer conductor.

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 system to identify incidents associated with streetlight fixtures based on sensor data from one or more smart sensor devices. Each smart sensor device is coupled to a respective streetlight fixture and captures data from one or more sensors. The data from a single smart sensor device or a plurality of smart sensor devices is aggregated to generate a current data signature of the one or more smart sensor devices. The current data signature is compared to a plurality of known signatures to determine if an incident associated with a streetlight fixture has occurred. Such incidents can include a failed light source, a failing light source, a weather incident, a geologic incident, etc. Depending on the type of incident an instruction is sent to the one or more smart sensor devices to perform one or more responsive actions.

Abstract: According to one embodiment, a plasma processing apparatus includes a chamber configured to maintain an atmosphere depressurized below atmospheric pressure, a gas supply part configured to supply a gas into the chamber, a placement part provided inside the chamber, and configured to place a processed product, a depressurization part configured to depressurize inside the chamber, a window provided in the chamber, and facing the placement part, a plasma generator provided outside the chamber and on a surface of the window on an opposite side to the placement part, and configured to generate plasma inside the chamber, an optical path changing part provided inside the window and having a surface tilted to a central axis of the chamber, and a detection part provided on a side surface side of the window, and facing the surface of the optical path changing part.

Abstract: A disclosed method for LED control for a detachable reversable power cable includes detecting, at a power source, that a first connector at a first end of the power cable is connected to the power source, triggering, at the power source, a first pulse on a first wire of the power cable that turns off a first LED switch coupled to a first LED on the first connector, disabling the first LED, and triggering, at the power source, a second pulse on a second wire of the power cable that drives a second LED on a second connector at a second end of the power cable opposite the first end, the second LED being coupled to a second LED switch that is on. The method further includes, responsive to detecting that the second connector is connected to a power sink, modifying a driver path for the second LED.

Abstract: Remote control devices may control electrical loads and/or load control devices of a load control system without accessing electrical wiring. The remote control device may be mounted over a mechanical switch that is installed in a wallbox. The remote control device may include a control unit and a faceplate assembly. The faceplate assembly may include a mounting frame, an adapter plate, and a faceplate. The mounting frame may be configured to abut a bezel of the mechanical switch such that that the faceplate is spaced away from the bezel of the mechanical switch to enable the mounting ring to extend through respective openings in the adapter plate and the faceplate.

Abstract: Some embodiments include a high voltage pulsing circuit comprising: a high voltage pulsing power supply; a transformer electrically coupled with the high voltage pulsing power supply; an output electrically coupled with the transformer and configured to output high voltage pulses with an amplitude greater than 1 kV and a pulse repetition frequency greater than 1 kHz; a bias compensation circuit arranged in parallel with the output the bias compensation circuit comprising; first inductance comprising the inductive elements and any stray inductance between the bias compensation circuit and the high voltage pulsing power supply; and second inductance comprising the inductive elements and any stray inductance between the bias compensation circuit and the output.

Abstract: Disclosed is a phase-cut dimmer, comprising an AC switch coupled in series between an AC supply and a load; a DC power supply powered from a voltage across the switch; a zero-crossing detector of a phase-cut AC voltage across the switch; a timer generating a timing signal of a duty-cycle proportional to a variable fraction of a peak voltage of a sawtooth signal, wherein the sawtooth signal is synchronized to the zero-crossing detector; a blanking signal generator triggered by a duty-cycle detector to reduce the duty-cycle when the duty-cycle of the timing signal exceeds a predetermined maximum limit; and an operation mode selector activated by an output of an inductive load detector.

Abstract: A light fixture and a lighting system including the light fixture is disclosed. The light fixture can include a first light emitting diode (LED) on a printed circuit board (PCB) sized and configured to receive direct current power directly from a photovoltaic (PV) panel and sized to accommodate a maximum voltage output from the PV panel. The lighting system can include the PV panel and the light fixture with the first light emitting diode (LED) on the PCB.

Abstract: This disclosure includes systems, methods, and techniques for controlling delivery of power to one or more strings of light-emitting diodes (LEDs). For example, a circuit includes a power converter configured to generate an electrical current, a switching device, and a sensor. The sensor is configured to compare a magnitude of the electrical current to a threshold, and in response to the magnitude exceeding the threshold, cause the switching device to turn on in order to sink a portion of the electrical current to prevent the magnitude of the electrical current from exceeding the threshold. When the switching device is turned on, the electrical current is divided into an undesired electrical current that flows across the switching device and a desired electrical current that flows to the string of LEDs.

Abstract: A system for adaptive lights for use in a vehicle includes a headlight configured to generate light to be at least partially directed away from the vehicle to illuminate a portion of an environment of the vehicle. The system further includes a sensor configured to detect data corresponding to an environmental condition in the environment of the vehicle. The system further includes an electronic control unit (ECU) coupled to the headlight and the sensor and configured to determine the environmental condition based on the detected data and to adjust an intensity and an orientation of the light generated by the headlight based on the environmental condition.

Abstract: An undulator is adapted to a synchrotron storage ring or free electron lasers (FEL), especially to an undulator capable of switching polarization mode rapidly. In comparison with the EPU (elliptically polarized undulator) of APPLE II (Advanced Planar Polarized Light Emitter II) which conceived by Dr. S. Sasaki, the provided undulator does not use mechanical transmission mechanisms to drive the four magnetic pole arrays composed of permanent magnets. Hence, the polarization mode can be switched rapidly. Moreover, a polarization method of electron beam is also provided.

Abstract: Methods and apparatus for plasma processing are provided herein. For example, apparatus can include a system for plasma processing including a remote plasma source including a supply terminal configured to connect to a power source and an output configured to deliver RF power to a plasma block of the remote plasma source for creating a plasma and a controller configured to control operation of the remote plasma source based on a measured input power at the supply terminal.

Abstract: A circuit board arrangement assembled by at least a first and a second circuit boards, each circuit board comprising: a portion of a circuit; and a first and a second electrical terminals to be electrically connected to a respective first and a second electrical terminals of the other circuit board of the first and the second circuit boards, so as to couple the portions of the circuit of the first and the second circuit boards, wherein the first and second electrical terminals on the circuit board are coupled with each other via the portion of the circuit on the other circuit board of the first and the second circuit boards, at least one board further comprising: a voltage suppression element (TSS1, TSS2) in the board connected across the first and second electrical terminals of the board, said voltage suppression element (TSS1, TSS2) is adapted to become conductive when a voltage thereacross reaches a threshold; characterized in that the portion of the circuit comprising at least one LED, and said LED (LED1)

Abstract: Proposed are techniques for suppressing an increase in a reflected wave power Pr (synonymous with a reflection coefficient) due to IMD. A high-frequency power supply system for providing a high-frequency power to a connected load includes: a bias power supply that outputs a bias power at a first frequency; a source power supply that outputs a source power at a second frequency higher than the first frequency; and a matching unit including an impedance matching circuit that acquires the bias power and the source power, and provides matching between an impedance on the source power supply side and an impedance on the load side. The source power supply supplies the bias power supply with a sinusoidal synchronizing signal including information about an output frequency to be outputted by the bias power supply, and the bias power supply outputs the bias power of a frequency corresponding to the output frequency included in the sinusoidal synchronizing signal.

Abstract: An automotive lamp is capable of controlling a light distribution pattern PTN based on an image captured by a camera unit. The automotive lamp is capable of switching between multiple control modes designed with different combinations of the spatial resolution of the light distribution pattern PTN and the update speed of the light distribution pattern PTN.

Abstract: A modular lighting system having a plurality of lighting units is disclosed. Each lighting unit includes a plurality of LEDs coupled to a microcontroller that is coupled to a first cable connector and a second cable connector. The system further includes a control box having a user interface, the control box communicatively coupled to each lighting unit through a plurality of cables, the plurality of lighting units and the control box all communicatively and releasably coupled to each other in series. The control box is configured to send through the first cable connector an address packet. For each lighting unit, the microcontroller is configured to adopt a first address received as a first address packet while in an addressable state, the first address being unique among the lighting units, and further configured to send a second address packet to another microcontroller after placing it in the addressable state.

Abstract: A lighting system with a lamp including a lighting area with a disc-shaped part emitting cold-white light and ring-shaped part emitting warm white light is provided. The lighting system is programmed to automatically and periodically change between light from these two parts.

Abstract: An LED-based light includes one or more LEDs, a sensor arranged to detect a brightness level in an area resulting from the combination of light emitted by the LEDs with light from at least one ambient light source other than the LEDs, and operable to output a signal corresponding to the detected brightness level, a controller operable to regulate an amount of power provided to the LEDs in response to the signal, a light transmitting housing for the LEDs, the sensor and the controller and a connector shaped for connection with a light socket disposed at an end of the housing.

Abstract: A programmable light apparatus includes a LED module and a driver. The driver has a current adjustable circuit that supports multiple types of LED modules. By sending a programming signal to a wireless circuit of the driver, the current adjustable circuit determines a correct setting to provide a necessary driving current to a corresponding LED module.