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WO/2013/112074A1 |
The invention relates to methods for generating radiation at resonant transitions of metal atoms in mixtures of inert gases with metal vapours which are excited by an electric arc discharge. The technical result of the claimed invention ...
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WO/2013/109560A2 |
An electronic ballast has a rectifying circuit for rectifying an input voltage controlled by a phase dimmer. The electronic ballast has an averaging circuit for averaging current received from the rectifying circuit to produce a referenc...
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WO/2013/109449A1 |
A ballast for dimming a lamp is provided. The ballast includes an inverter circuit to energize the lamp via a lamp current and a dim interface for receiving an input indicating a selected lighting level. A control circuit is connected to...
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WO/2013/106310A1 |
An arc detection circuit that detects an occurrence of arcing between ballast and a lamp is provided. A transformer has a primary side connected between the ballast and the lamp to receive lamp current and conduct the lamp current from t...
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WO/2013/105785A2 |
Recently, there has been a growing emphasis on the importance of green industries for reducing energy consumption. As part of the reduction in energy consumption, LED lamps have been widely distributed and used, but conventional fluoresc...
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WO/2013/101710A1 |
A lighting apparatus includes a string of light emitting diode (LED) sets coupled in series where each set includes at least one LED. A current diversion circuit is coupled to the string and is configured to operate responsive to a bias ...
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WO/2013/098239A1 |
The present invention relates to a power supply for a field emission light source. The novel power supply allows for a reduction in size as well as allowing for improvements relating to power factor and efficiency. The size reduction fur...
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WO/2013/096547A1 |
A lighting apparatus includes a light emitting device that has an attribute that is adjustable responsive to a control signal carried on a power line from which the light emitting device receives an Alternating Current (AC) power signal.
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WO/2013/090954A1 |
The invention provides a switching unit for an electrical consumer operated on AC voltage via a phase conductor, in particular for a retrofit LED lamp, having at least one actuating element, wherein the actuating element is designed to p...
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WO/2013/092750A1 |
The present invention relates to a DLP projector for projecting at least one image onto a projection surface. In this case a discharge lamp is driven with a current wave form having a first and a second region, wherein a first frequency ...
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WO/2013/090955A1 |
The invention relates to a method for operating at least one light‑emitting means (4), such as a gas discharge lamp, for example, using a clocked circuit (2), wherein a measurement signal which reproduces a first electrical parameter w...
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WO/2013/090957A1 |
Operating device (A) for a luminous means, the operating device having at least one driver circuit for operating at least one luminous means (Last), an energy store (Cbulk) which supplies the driver circuit, a power factor correction cir...
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WO/2013/092287A1 |
The invention relates to an electronic ballast (1) for a gas discharge lamp (24) with an evaluation and control unit (10), a DC-to-DC converter circuit (5), which is electrically connected to a DC voltage source (3) and has a first trans...
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WO/2013/082746A1 |
A ballast for operating a plurality of parallel fluorescent lamps includes an inverter, coupled to a DC input, and configured to produce an inverter output voltage to power the plurality of parallel fluorescent lamps. A plurality of ball...
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WO/2013/083357A1 |
The invention relates to a circuit arrangement for igniting and operating a discharge lamp (36), comprising a load circuit (30, 30d, 30e) in which the discharge lamp (36) is arranged and comprising a high-voltage cascade (40, 40b, 40c) w...
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WO/2013/084747A1 |
A light source device (1) has: a lamp (2); a power supply (3); a light adjustment control module (33) that controls electric power supplied to the lamp (2) by the power supply (3) within a range at or below the upper limit of the electri...
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WO/2013/080118A1 |
The invention describes a method of generating calibration data (ΔUx, CPx) for a system (3) comprising a gas-discharge lamp (1) and a cooling arrangement (2) for cooling the lamp (1), which method comprises the steps of establishing a c...
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WO/2013/079243A1 |
The invention relates to a circuit for actuating an illumination component, wherein a control voltage (Vout) for actuating the illumination component can be tapped on a capacitor (C). The capacitor (C) can be charged by way of a charge c...
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WO/2013/080076A1 |
A lighting device and a method for operating a discharge lamp (10) are de- scribed. The discharge lamp (10) comprises a sealed discharge vessel and two electrodes (22) to produce an arc. A driver circuit (20) delivers electrical power to...
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WO/2013/077996A1 |
A ballast to energize a lamp is provided. The ballast comprises a buck converter connected to an inverter via a switching component. The buck converter includes a transistor, a capacitor, a diode, and an inductor. The switching component...
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WO/2013/075276A1 |
A pre-heat device (200) can pre-heat filaments (244) in lighting devices, e.g., gas discharge lamps. The pre-heat device (200) comprises a switch (222) and a driver circuit (220) that opens and closes the switch (222). The drive circuit ...
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WO/2013/076174A1 |
The invention relates to an HF system that comprises an HF device (5), particularly an HF lamp, as well an HF spark-plug or similar HF plasma application, and an HF signal-incoupling device (3) for operating said HF device (5). The HF sy...
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WO/2013/072079A1 |
A lamp (1), comprising a fluorescent tube (7) which contains gas and a circuit to supply power and control the lamp (1), the fluorescent tube (7) comprising, at its ends, connections (11, 12, 21, 22), connected to filaments (13, 23) insi...
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WO/2013/072602A1 |
The invention relates to a control circuit for varying the power of a load powered by an alternating voltage (V^Q), comprising: a first thyristor (Tl) and a first diode (Dl) connected in antiparallel between first (A) and second (R) node...
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WO/2013/074220A1 |
A resonant DC-DC converter used to drive an LED array includes a half-bridge converter configured to receive DC input power and produce a square wave voltage. A resonant tank circuit that includes an inductive element, a first resonance ...
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WO/2013/072385A1 |
The invention relates to a device and a method for testing the connection of a load (L) connected to a connection point (1). The connection point (5) is formed between a first switching element (HS), which is connected between a high sup...
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WO/2013/072483A1 |
The invention relates to a high-frequency lamp with a glass bulb and a device for supplying a high-frequency signal. High-frequency lamps known in the prior art either have been limited to a narrow selection of substances in the glass bu...
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WO/2013/068108A1 |
The invention relates to a multilevel capacitive electromechanical installation dimmer for dimming, in particular, mains voltage LED lamps, fluorescent low-pressure gas discharge lamps, filament lamps, and mains voltage halogen lamps, co...
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WO/2013/060427A1 |
A controller for a fluorescent lamp comprises a toggle arrangement adapted to turn the lamp on, in response to a user performing an on-off-on power toggle, wherein the on-off-on power toggle comprises a first on-period, during which the ...
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WO/2013/051193A1 |
Provided is a high-voltage discharge lamp lighting device that performs current waveform control for flicker suppression in a high-wattage lamp. A high-voltage discharge lamp lighting device provided with: a power supply circuit for supp...
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WO/2013/044334A1 |
A connection means between a reactor (10) and the other components of the lighting system is disclosed. The connection means makes it unnecessary to handle various conductive wires repeatedly every time the reactor (10) is replaced. The ...
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WO/2013/044363A1 |
The invention is directed to an electrical module and a method for illuminating a HID lamp on a vehicle, and in particular an off-road recreational vehicle. The electrical module and the method involve a capacitor and a voltage delay mec...
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WO/2013/041555A1 |
The disclosed electrical apparatus (14) for igniting a flash lamp (12) comprises: - two connection terminals (26) for connecting the flash lamp (12), - a main power supply circuit (28) for the flash lamp (12), the main power supply circu...
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WO/2013/041331A1 |
The present invention relates to a steps dimming control circuit, for a load (4), comprising a filter/rectifier module (1) configured to output a power supply voltage (VCC) via a power supply bus (Vbus), a dimming signal generating modul...
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WO/2013/042704A1 |
In this discharge lamp lighting method, without generating or superimposing current pulses, the waveform of an AC lamp current on the basis of a low-frequency square wave current is corrected on the basis of an inverted correction signal...
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WO/2013/042171A1 |
Until an output voltage detected by an output voltage detection unit (3) exceeds an output voltage feedback switching determination value, a control unit (6) controls the duty cycle in a DC/DC converter (2) so as to maintain a target cur...
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WO/2013/038322A1 |
An apparatus to supply power to at least one gas lamp, the apparatus including a half bridge driver having a striation control circuit which determines an on time (Ton) for a cycle in accordance with a fifty percent duty cycle, the cycle...
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WO/2013/038838A1 |
[Problem] To provide a high watt ceramic metal halide lamp illumination device in which a plurality of arc tubes (for example, two tubes) capable of being lighted smoothly are connected in series. [Solution] This high watt ceramic metal ...
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WO/2013/034387A1 |
The present invention relates to an electronic ballast for operating a discharge lamp (FL). A regulating device (R) is provided to regulate the lamp current. An auxiliary measuring circuit is provided to measure the momentary discharge r...
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WO/2013/034386A1 |
The present invention relates to an electronic ballast for operating a discharge lamp (FL). A regulating device (R) is provided to regulate the lamp current (I). An auxiliary measuring circuit is provided to measure the momentary dischar...
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WO/2013/034500A1 |
The present invention relates to an LED illuminating apparatus, comprising: an LED lighting assembly (1), and a driver (2) configured to drive the LED lighting assembly (1) wherein the LED illuminating apparatus further comprises a repla...
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WO/2013/034407A1 |
The present invention relates to a high frequency electronic ballast used in a high intensity discharge lamp, comprising a filter-rectifier unit (1), and a DC/AC converter (2) connected to the filter-rectifier unit (1), wherein the high ...
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WO/2013/032337A1 |
A power circuit for at least one gas discharge lamp comprising a first filament and a second filament, the power circuit including an electronic driver circuit, preferably for generating a first alternating voltage between the first and ...
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WO/2013/032060A1 |
The present invention relates to a fluorescent light dummy tube circuit and to a fluorescent light device including same. Here, at least one fluorescent light in the fluorescent light device including a stabilizer and a plurality of fluo...
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WO/2013/026078A1 |
The invention relates to a system for actuating and operating fluorescent lamps (1), comprising at least one fluorescent lamp (1) and at least one electronic ballast (2, 2', 2"). The fluorescent tube (1) is equipped with heating coils (3...
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WO/2013/027258A1 |
The purpose of the present invention is to make it possible to select an illumination color in an illumination device having a cold cathode fluorescent lamp as a light source and to save energy by selecting brightness of illumination ada...
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WO/2013/026906A1 |
The aim of the invention is to provide a particularly economical and environmentally friendly light source which preferably has a very long service life and the emission behavior of which in particular can be controlled or influenced wit...
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WO/2013/025548A1 |
Various techniques are provided for implementing a lighting device variable control using a variable inductor. In various examples, the variable control may be implemented with a plurality of continuous or stepped settings. The variable ...
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WO/2013/023609A1 |
An LED array switching apparatus comprises, on a single PCB substrate: a plurality of LED arrays Dl to Dn connected in series, each LED array having a forward voltage; an AC voltage supply coupled to the plurality of LED arrays; and a pl...
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WO/2013/020305A1 |
An LED display system, including a console and a plurality of LED lights. The plurality of LED lights are provided in multiple levels of LED light groups, wherein each level of LED light group includes a plurality of LED lights, and an L...
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