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WO/2015/038433A1 |
A light-emitting source for curing applications is disclosed. The light-emitting source comprises a first housing having a top wall and one or more side walls. The top wall and the one or more side walls define a first enclosure having a...
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WO/2015/032193A1 |
An HID lamp acoustic resonance restraining method and a ballast. The method comprises: detecting whether acoustic resonance is generated; and when the acoustic resonance is generated, changing a frequency of a frequency modulation curren...
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WO/2015/027592A1 |
A time relay used for metal halide lamp loads comprises a control circuit comprising a step-down commutating and voltage-stabilizing circuit A, an outage detection circuit B, a timekeeping control circuit C, an energy storage circuit D a...
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WO/2015/024085A1 |
A pulse-generating module is disclosed for AC/DC lighting devices, more particularly an electronic system which is connected to the electric grid, to a power supply or to the lighting device itself, such as lamps, light emitting diodes (...
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WO/2015/026478A1 |
A method for operating a HID lamp (400) using a bi-power electromagnetic ballast. The method includes applying a full power level to the lamp to produce full brightness (402) and applying a dimmed power level (404) to the lamp to produce...
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WO/2015/013877A1 |
Provided are an end-of-life protection circuit for a non-isolated electronic ballast and a method for protecting same. The non-isolated electronic ballast includes a driver circuit (104), a sampling circuit (108), and a control circuit (...
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WO/2015/015442A1 |
High frequency ballasts are provided herein for ignition control of a ceramic high intensity discharge (HID) lamp. A sensor senses a lamp parameter on the output terminals. A microprocessor is attached to the ignition circuit and the sen...
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WO/2015/007380A1 |
A lighting device has at least one contact into which a lighting means can be inserted. The contact has electric terminals for supplying the lighting means. An electric or electronic ballast is provided in the lighting device, a suitable...
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WO/2014/198139A1 |
Disclosed are a time-sharing starting control method for electronic ballasts and time-delay starting electronic ballasts. According to the method, the electronic ballasts are started in a time-delay manner after being powered on, and the...
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WO/2014/199599A1 |
One purpose of the present invention is to provide a light source device that can reduce wear on electrodes of a discharge lamp and improve the life of the discharge lamp if driving of the lamp is carried out in a state where there are p...
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WO/2014/198615A1 |
The invention relates to a method for controlling a lighting system, wherein the lighting system comprises a plurality of light-emitting ceiling tiles and a control unit for controlling the plurality of light-emitting tiles. The method c...
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WO/2014/188230A1 |
A ballast control circuit comprising a first switching node (GH) for toggling switching states of the high side switching device, a second switching node (GL) for toggling switching states of the low side switching device, a control circ...
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WO/2014/188229A1 |
A ballast control circuit comprising a first switching node, a second switching node, a detection node, and a decision circuit is disclosed. The decision circuit is to monitor voltage (or more specifically voltage variation) at the detec...
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WO/2014/185646A1 |
The present invention provides an electrodeless lighting device and a method for operating the same. The electrodeless lighting device comprises: a direct current (DC) voltage unit for rectifying a commercial alternate current (AC) volta...
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WO/2014/180966A1 |
The invention relates to a lighting device (10) having a distinct, straight longitudinal extension (12), in particular in the form of a fluorescent tube. The lighting device has a first connection side (14), on which a first electrical c...
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WO/2014/176612A1 |
The invention relates to a lighting means, preferably for effect lighting, comprising at least one gas discharge lamp (2) which illuminates a light chamber (LK) and emits light of a certain colour and brightness from the light-emission r...
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WO/2014/173176A1 |
A method for transmitting a signal by using an electric wave form is applied to a load control system. The load control system comprises a phase angle control module, and a driving module. The phase angle control module is electrically c...
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WO/2014/169502A1 |
A planar antenna microwave module comprising a 5.8 GHz oscillator circuit (2), a power supply module (1), a high-frequency transmitter and receiver antenna (3), a detector circuit (4), and an output signal (5), where the power supply mod...
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WO/2014/170508A1 |
The invention relates to a device for controlling the electric power consumption of electrodeless discharge lamps, characterised in that it forms an independent module interconnected between the electronic ballast and the lamp and compri...
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WO/2014/169583A1 |
A high-frequency electronic DC ballast circuit. The high-frequency electronic DC ballast circuit comprises: an AC module (100), an EMI filter module (201), a first AC/DC conversion module (202), a ballast module (203), a second AC/DC con...
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WO/2014/169584A1 |
The present invention belongs to the field of circuits. Provided are a high-frequency electronic DC ballast circuit and a fluorescent lamp. In the embodiments of the present invention, the high-frequency high-voltage alternating current ...
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WO/2014/172103A1 |
A self-oscillating resonator (SOR) may be used to control current through light emitting diodes (LEDs). The SOR may be started and stopped by a controller coupled to a transistor switch in the SOR. The controller may output a control sig...
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WO/2014/167406A1 |
In this light source device, which is provided with a discharge lamp (22) disposed along the horizontal direction and a reflecting mirror (21) of which the reflecting surface is a paraboloid of revolution, the discharge lamp (22) is disp...
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WO/2014/167459A1 |
This invention discloses a method and apparatus managing a voltage applied to a load. The method comprises determining generation of an electrical arc, the electrical arc being determined based on detecting a high frequency signal; isola...
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WO/2014/162279A1 |
Methods, apparatus and computing devices are described herein for activatable lighting devices. In various embodiments, a composition of a lighting system may be ascertained based at least in part on a database (851, 951) of one or more ...
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WO/2014/154274A1 |
Described herein is a dual-mode luminaire controller (100) for a luminaire in which dimming signals (270) can be provided to control the operation of the luminaire using signals in accordance with either `O-10V` or DALI protocols. The co...
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WO/2014/141793A1 |
A flash light source device (1A) is provided with a flash lamp (10), a circuit board (30), and a power supply unit (60). The flash lamp (10) has: a sealed container (11) having a light transmission window disposed on one end face, and a ...
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WO/2014/133716A1 |
An electronic dimming ballast or light emitting diode (LED) driver for driving a gas discharge lamp or LED lamp may be operable to control the lamp to avoid flickering and flashing of the lamp during low temperature or low mercury condit...
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WO/2014/133946A1 |
A system includes at least one lighting device, e.g., at least one LED luminaire, and a control circuit configured to control a spectral output produced by the at least one lighting device responsive to environmental information about an...
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WO/2014/126528A1 |
The present invention relates to a driver circuit for a flash tube. The driver circuit comprises a first and a second output for an electronic flash tube, a capacitor, an inductor and a switch. The inductor and the switch being connected...
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WO/2014/124501A1 |
An outdoor light controller (OLC) (50; 60; 100) for controlling the operation of lighting, particularly exterior lighting such as street lights or flood lights, is disclosed. The outdoor light controller (50; 60; 100) includes a controll...
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WO/2014/119113A1 |
The purpose of the invention is to obtain a DMD using type high-voltage discharge lamp lighting device that, even when a minute projection is formed at a location apart from an electrode tip as compared with a conventional case, makes it...
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WO/2014/116329A1 |
An apparatus for interfacing a ballast to at least one light emitting diode (LED) includes a passive rectifier circuit and matching circuit coupled to an input port and/or an output port of the passive rectifier circuit and configured to...
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WO/2014/116328A1 |
A lighting apparatus includes a solid-state lighting circuit, a ballast connection port including first and second terminals and a filament-imitating impedance coupled between the first and a second terminals of the ballast connection po...
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WO/2014/112119A1 |
Provided is a discharge lamp lighting apparatus that is capable of suppressing deterioration of a capacitor for reducing noise. A housing section (120) houses a discharge lamp (115). A lighting start section (110) applies a predetermined...
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WO/2014/098127A1 |
Provided is a discharge lamp lighting device which, even when a discharge lamp is lit for a long period, is capable of suppressing the occurrence of flickering, and achieves a long life before flickering. The discharge lamp lighting devi...
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WO/2014/098659A1 |
An electronic circuit (100) for protecting a load (200) against over-vo!tage is disclosed. The electronic circuit (100) comprises an input port (101) for receiving a voltage and an output port (103) for feeding the voltage to the load (2...
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WO/2014/093820A1 |
A method of processing a semiconductor assembly is presented. The method includes fabricating a photovoltaic module including a semiconductor assembly. The fabrication step includes performing an efficiency enhancement treatment on the s...
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WO/2014/085969A1 |
Embodiments of a lighting device that generate an output power signal with operating parameters, e.g., current, voltage, etc., that energize a compact fluorescent (CFL) device. In one embodiment, the lighting device includes a circuit th...
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WO/2014/085951A1 |
A system and method for powering discharge lamps including circuitry for controlling the filament preheating energy provided to one or more gas discharge lamps. The system, in some embodiments, provides a preheating circuit as a program-...
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WO/2014/083753A1 |
A control unit reduces the power supplied to a high-voltage discharge lamp when an output voltage or an output current to the high-voltage discharge lamp measured by a measuring unit is within an abnormal range. A drive unit for driving ...
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WO/2014/083187A1 |
It is proposed for a dimmer (1) with an electrical input (2) and an electrical output (3), wherein the dimmer (1) has a dimming circuit (4) for a predefinable and variable limitation on the electrical power that may be provided to the ou...
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WO/2014/079162A1 |
A signal notification device comprising an LED lighting (1), a central processing unit, and a terminal device connected to the LED lighting (1). The LED lighting (1) has arranged therein an LED display chip connected to the central proce...
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WO/2014/080096A2 |
A method for commanding and controlling a public or private lighting network comprising one or a plurality of lamps combined with one or a plurality of ballasts characterised in that it consists of: a) - dividing a daily lighting cycle i...
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WO/2014/077703A1 |
A power supply system including: a power supply configured to provide a constant AC current; a power transmission line connected to the power supply to form a closed circuit; and at least one pickup configured to accept and slidingly eng...
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WO/2014/075338A1 |
A backlight-driven direct-current booster topology circuit which comprises a direct-current voltage input end (10), a direct-current voltage output end (60), a coupled inductor (20), a field-effect transistor (Q), a circuit protection un...
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WO/2014/073012A2 |
A lighting apparatus (10) with a brightness control or self-adjustment, comprising an electronic power supply (11) having a brightness self-tuning and a brightness set-point self-calibrator, a sensor (14) for measuring the environment br...
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WO/2014/067215A1 |
An electrodeless lamp ballast, mainly comprising: a DC/DC convertor, a closed loop detection module, a CPU and a high-frequency generator;wherein the high-frequency generator comprises a transformer T1, a capacitor C1, an electronic swit...
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WO/2014/066267A1 |
An amount of filament voltage supplied by a reconfigurable ballast may be adjusted based on a lamp type with which the ballast is operating. The filament voltage may be reconfigured dynamically and/or may be reconfigured via a user-provi...
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WO/2014/057247A2 |
A voltage regulator unit (10) for regulating electrical power supplied to a lamp in a street lighting apparatus (2) is disclosed. The voltage regulator unit comprises an input part (12) for receiving electrical power, a first output part...
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