Abstract: An end of life detection system for an anti-collision light may comprise a reflector and a plurality of LEDs located around an exterior of the reflector. A trend LED and reference LED may be located in an interior of the reflector. The trend LED may be powered on with plurality of LEDs. The reference LED may be powered on during an initial power-on self-check and turned off after completion of the initial power-on self-check.

Abstract: Various RF plasma systems are disclosed that do not require a matching network. In some embodiments, the RF plasma system includes an energy storage capacitor; a switching circuit coupled with the energy storage capacitor, the switching circuit producing a plurality of pulses with a pulse amplitude and a pulse frequency, the pulse amplitude being greater than 100 volts; a resonant circuit coupled with the switching circuit. In some embodiments, the resonant circuit includes: a transformer having a primary side and a secondary side; and at least one of a capacitor, an inductor, and a resistor. In some embodiments, the resonant circuit having a resonant frequency substantially equal to the pulse frequency, and the resonant circuit increases the pulse amplitude to a voltage greater than 2 kV.

Abstract: Various implementations disclosed herein includes a method for operating lighting fixtures in horticultural applications. The method may include receiving a user input of a desired irradiance for a first color channel of one or more lighting fixtures that irradiates a plant bed, in which each of the one or more lighting fixtures comprises at least one light emitting diode (LED) array, determining, for each of the one or more lighting fixtures, a PWM setting of the first color channel such that each of the one or more lighting fixtures irradiate the plant bed at the desired irradiance based on calibration data stored in each of the one or more lighting fixtures, and applying, to each of the one or more lighting fixtures, the determined PWM setting of the first color channel.

Abstract: System and method for dimming control of one or more light emitting diodes. An example system includes one or more signal processing components configured to receive a first signal associated with a TRIAC dimmer, process information associated with the first signal, determine whether the TRIAC dimmer is in a first condition or a second condition, generate a second signal based on at least information associated with the first signal, and send the second signal to a switch. The one or more signal processing components are further configured to, if the TRIAC dimmer is determined to be in the first condition, generate the second signal to cause the switch to be opened and closed corresponding to a modulation frequency.

Abstract: A self-adaptive illuminating device includes an illuminating unit, a sampling module, a sampling transformation module, a control module and a power transformation module. The sampling module samples at least one electrical property of the illuminating unit to generate a first feedback signal in response to a test signal. The sampling transformation module filters out noises off the first feedback signal for generating a second feedback signal. The control module generates an operation signal that carries at least one operational parameter of the illuminating unit in response to the second feedback signal. The power transformation module generates a drive voltage corresponding to an input voltage and the operation signal. The power transformation module drives the illuminating unit using the drive voltage.

Abstract: A wireless receiving circuit and a wireless control device. The wireless receiving circuit includes a signal receiving module, a Bluetooth signal processing module, a voltage stabilization module, and an output control module. An output end of the signal receiving module is connected with an input end of the Bluetooth signal processing module, and a voltage end of the Bluetooth signal processing module is connected with an output end of the voltage stabilization module. An output end of the Bluetooth signal processing module is connected with an input end of the output control module. The signal receiving module is to receive an external Bluetooth signal and is to transmit the signal to the Bluetooth signal processing module. The Bluetooth signal processing module is to process the external Bluetooth signal and is to transmit a control signal to the output control module.

Abstract: A circuit tuning radio frequency (RF) power. The circuit includes a low to mid frequency (LF/HF) tuning circuit including a variable LF/MF capacitor coupled in series with an LF/MF inductor. The LF/MF tuning circuit is coupled between ground and a common node configured to receive an RF input. The circuit includes a high frequency (HF) tuning circuit coupled in parallel to the LF/MF tuning circuit between ground and the common node. The HF tuning circuit includes a variable HF capacitor coupled in series with an HF inductor. Cross parallel isolation occurs between the LF/MF inductor of the LF/MF tuning circuit and the HF inductor of the HF tuning circuit when adjusting the variable LF/MF capacitor or variable HF capacitor.

Abstract: A secure one-way network gateway for transmitting data from a source network to a destination network is disclosed. An input circuit is for coupling to a source network and an output circuit is for coupling to an output network. A memory stores configuration data. Either a single field-programmable device or a pair of field-programmable devices coupled via a one-way link are inserted between the input circuit and the output circuit. The configuration data is loaded into the device(s) to program the device(s) to pass data from the input circuit to the output circuit, to optionally filter the data, and to prevent any data from passing from the output circuit to the input circuit. A processor is coupled to only the memory and a separate management interface. The processor receives updated configuration data via the management interface and replaces the configuration data in the memory with the updated configuration memory.

Abstract: A light emission control device includes a detection circuit and a light emission control circuit. The detection circuit detects whether or not a first potential difference across the first resistor is larger than a predetermined value. The light emission control circuit outputs a first control signal for controlling turning on/off of the first switching element and a second control signal for controlling turning on/off of the second switching element. The light emission control circuit sets at least one of the first control signal and the second control signal to a drive stop state to be inactive, when it is detected that the first potential difference is larger than the predetermined value. The light emission control circuit causes a power stop signal to be active, when it is detected that the first potential difference is larger than the predetermined value in the drive stop state.

Abstract: A charge neutralizer that includes a vacuum chamber which is capable of having a charged object installed therein and includes a high vacuum processing unit that performs vapor deposition, and a plasma generator configured to supply plasma caused by an electron cyclotron resonance to an inside of the vacuum chamber. The plasma generator includes a plasma source configured to generate the plasma, and a flange configured to install the plasma source inside the vacuum chamber.

Abstract: To achieve both reduction of a sense of discomfort to a driver due to a reflective object and improvement in visibility of a pedestrian or the like. A control apparatus for controlling light irradiated by a headlight of a vehicle, where the control apparatus causes the headlight to forma first irradiation light and a second irradiation light that overlaps a certain range on the lower end side in the vertical direction of the first irradiation light and overlaps the entire range in the width direction of the first irradiation light, and causes to dim at least a part of the entire range of the first irradiation light corresponding to the position of a reflective object when the reflective object fixed on the road ahead of the vehicle is present.

Abstract: System and method for current control. As an example, the system for current control includes: a transistor including a drain terminal, a gate terminal, and a source terminal, the drain terminal being coupled to one or more light emitting diodes; a resistor coupled to the source terminal of the transistor and configured to generate a resistor voltage related to a current flowing through the one or more emitting diodes; a voltage detector configured to receiver a first input voltage related to a second input voltage received by the one or more light emitting diodes; and a voltage controller coupled to the voltage detector, the resistor, and the gate terminal of the transistor; wherein the voltage detector is further configured to: detect the first input voltage; and generate a control signal based at least in part on the first input voltage.

Abstract: The invention relates to a gas injector (10) for supplying gas or a gas mixture to a reaction region (16). The gas injector (10) contains a main part (12) with a gas channel (14). Furthermore, a gas feed (30) is provided for the gas channels (14). The gas or the gas mixture reaches the reaction region (16) from the gas channel (14) via a first opening (26) or a first group (54) of openings (26) in the main part. The main part (12) is equipped with a second opening (27) or a second group (56) of openings (27) via which the gas of the gas mixture likewise reaches the reaction region (16) from the gas channel (14). Each of the openings (26, 27) or the groups (54, 56) of openings (26, 27) is paired with a respective separate gas feed (30, 40) in the main part (12) on the gas channel (14).

Abstract: System and method for providing at least an output current to one or more light emitting diodes. The system includes a control component configured to receive at least a demagnetization signal, a sensed signal and a reference signal and to generate a control signal based on at least information associated with the demagnetization signal, the sensed signal and the reference signal, and a logic and driving component configured to receive at least the control signal and output a drive signal to a switch based on at least information associated with the control signal. The switch is connected to a first diode terminal of a diode and a first inductor terminal of an inductor. The diode further includes a second diode terminal, and the inductor further includes a second inductor terminal.

Abstract: The present invention prevents breakage of a chip by using a simple configuration even when an extraction-electrode power source cannot apply voltage to an extraction electrode due to a malfunction, etc. This charged particle beam device is provided with: a charged particle source; an extraction electrode that extracts charged particles from the charged particle source; an extraction-electrode power source that applies voltage to the extraction electrode; an accelerating electrode for accelerating the charged particles; an accelerating power source that applies voltage to the accelerating electrode; and a diode and a resistor which are connected in series between a middle stage of the accelerating power source and the output side of the extraction-electrode power source.

Abstract: A radio frequency (RF) power monitoring device includes an RF sensor to monitor RF power transferred to a target load and an impedance of the target load and a transmission line to electrically connect the RF sensor to the target load and to transfer the RF power to the target load. A phase (?z) of the impedance of the target load is adjusted to satisfy a range of ?30°+180°*n<?z<30°+180°*n (where n=?2, ?1, 0, 1, or 2).

Abstract: Methods and systems are provided for directing a lighting fixture in a venue. A user device is paired with a three-dimensional model space that represents a physical space of the venue. A lighting beam destination is indicated with the user device using a position and an orientation of the user device. The indicated lighting beam destination is converted into coordinates in the three-dimensional model space. A lighting fixture orientation value to direct a lighting beam of the lighting fixture to the lighting beam destination in the physical space of the venue is determined based on the coordinates of the lighting beam destination in the three-dimensional model space of the venue. A motor associated with the lighting fixture is actuated to move the lighting fixture to a lighting fixture orientation in the physical space of the venue based on the lighting fixture orientation values.

Abstract: A light source and method for making the same are disclosed. The light source includes a plurality of Segmented LEDs connected in parallel to a power bus and a controller. The power bus accepts a variable number of Segmented LEDs. The controller receives AC power and provides a power signal on the power bus. Each Segmented LED is characterized by a driving voltage that is greater than 3 times the driving voltage of a conventional LED fabricated in the same material system as the Segmented LED. The number of Segmented LEDs in the light source is chosen to compensate for variations in the light output of individual Segmented LEDs introduced by the manufacturing process. In another aspect of the invention, the number of Segmented LEDs connected to the power bus can be altered after the light source is assembled.

Abstract: A lighting device, such as a two-wire lighting control device, may include a controllably conductive device and a control circuit. The controllably conductive device may supply an AC line voltage to a load in response to a dive signal such that the controllable conductive device is non-conductive for a first duration of time and conductive for a second duration of time within a half-cycle of the AC line voltage. The control circuit may receive a signal from the controllably conductive device that represents a voltage developed across the controllable conductive device during the first duration of time. The control circuit may generate a sine-wave-shaped signal that complements the voltage developed across the controllably conductive device during the second duration of time. The control circuit may also filter the signal from the controllably conductive device during the first duration of time and the sine-wave-shaped signal during the second duration of time.

Abstract: Methods and apparatus for implementing a control apparatus for a light fixture for externally controlling the current to the LED light emitter of a landscape LED light fixture. In an exemplary embodiment a control apparatus for controlling current to an LED light source in a landscape lighting device includes an LED driver, a user control with a control setting indicator, and a driver housing including setting indicators.