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WO/2010/061131A2 |
The invention relates to an electrical circuit for supplying power to a pulsed discharge light, comprising two switching arms, a light arm, and two power supply arms, placed in the following manner: (a) the first and second switching arm...
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WO/2010/062449A2 |
Systems and methods are disclosed that facilitate switching a lamp ballast between DALI and analog control states as a function of control state information stored prior to the ballast being powered of and control information received by...
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WO/2010/060832A1 |
The invention relates to an integrated gas discharge lamp in which a gas discharge lamp burner and an operational electronics unit for the gas discharge lamp burner (50) are integrated into a lamp, wherein the operational electronics uni...
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WO/2010/060840A1 |
The invention relates to an integrated gas discharge lamp comprising a gas discharge lamp burner and an operational electronics unit that has an inverter for operating a gas discharge lamp burner with a low-frequency square-wave current,...
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WO/2010/060831A1 |
The invention relates to an integrated gas discharge lamp, wherein a gas discharge lamp burner and operating electronics for the gas discharge lamp burner are integrated in a lamp, wherein the operating electronics control the power of t...
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WO/2010/058620A1 |
Provided is a fluorescent lamp appliance of two-lamp parallel type or two-lamp series type, wherein switching can be made between two-lamp lighting and one-lamp lighting by the on/off operation of a power switch. A fluorescent lamp appli...
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WO/2010/056725A1 |
A portable lamp bank in accordance with an embodiment of the present application includes an elongated housing, a power source mounted in the housing and electrically connected to the external high voltage input voltage to provide a subs...
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WO/2010/054421A1 |
The invention relates to a combination luminaire (1). Said combination luminaire comprises (a) a gas discharge lamp (2), the discharge vessel of which is made of transparent material, preferably glass, and (b) an OLED (3) in the form of ...
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WO/2010/054454A2 |
Electronic ballast for metal vapor lamps using integration techniques for power factor correction and acoustic resonance elimination describes high frequency electronic converters used with high intensity discharge metal vapor or metal h...
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WO/2010/055528A2 |
The present invention relates to an electronic Ballast circuit arrangement with High Power Factor, High Efficiency, Low Harmonics, Low Lamp Current Crest Factor and Low Electromagnetic Interference (EMI)/ Radio frequency interference (RF...
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WO/2010/055394A1 |
An agricultural vehicle lighting system (10) includes a plurality of HID lamps (14,16,18,20) and a lighting controller (22). The HID lamps are configured to be mounted to the agricultural vehicle (12) and powered by an existing electrica...
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WO/2010/052641A2 |
A device (1) for providing an amount of power to a gas discharge lamp (2) comprises a control circuit (3) for controlling a supply circuit (4) for supplying the power according to a power versus voltage graph (10). A calculator (30) calc...
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WO/2010/052630A1 |
The invention relates to a control unit for a lamp driver being adapted to control the operation of a lamp during at least an ignition mode, a run-up mode and a steady- state mode, the lamp driver comprising a down-convertor and an alter...
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WO/2010/050142A1 |
A first waveform (for example, a rectangular wave), wherein the instantaneous value of an alternating current in the last section of a half cycle of the alternating current is not set higher than the instantaneous value in the other sect...
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WO/2010/050432A1 |
An illumination lighting device is provided with a power converter circuit having a configuration in which an input terminal to which a power supply can be connected and an output terminal to which a load circuit including at least a lam...
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WO/2010/049285A1 |
The invention relates to a lighting device comprising a discharge lamp (2) and an electronic operating device (5) for said discharge lamp (2), the operating device (5) comprising a circuit arrangement having a plurality of electronic com...
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WO/2010/049286A1 |
The invention relates to a lighting system comprising at least one lamp and at least one electronic ballast that operates the at least one lamp, wherein at least one communication unit that can be connected to the electronic ballast is d...
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WO/2010/049845A1 |
The invention describes a method of driving a gas-discharge lamp (1), wherein the lamp (1) is driven at any one time using one of a plurality of operating modules (M1, M2, M3, M4) and wherein a first operating mode (M1) and a second oper...
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WO/2010/045970A1 |
The invention relates to a circuit arrangement and to a method for making a lamp wattage available for operating at least one gas discharge lamp (5) depending on a dimming signal (DIM) which is input into a wattage factor correction circ...
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WO/2010/045980A1 |
The invention relates to a method for operating a high pressure discharge lamp, the high pressure discharge lamp being operated by a current inverter with a square wave lamp current which has a positive phase with positive current flow a...
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WO/2010/047447A1 |
Disclosed is an LED illumination device. The LED illumination device of the present invention can be used through the direct connection to a terminal for a fluorescent light regardless of a known magnetic or electronic illumination syste...
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WO/2010/045062A2 |
A light source, for a high-speed, continuous transport microfilm imaging system, includes an LED emitter thermally coupled to a heat sink and mounted within a light source housing. A light output opening in the housing, further defined b...
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WO/2010/044968A1 |
The present application claims a compact low cost topology solution of a ballast for a discharge lamp that can provide both high power factor and low total harmonic distortion with fewer components than prior art. The topology provides t...
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WO/2010/043923A1 |
An emergency supply circuit for an electronic ballast (10) having a supply input (12) and dimming control input (14), includes an output line (102) to feed the supply input (12) of the electronic ballast (10), a first feed line (104) to ...
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WO/2010/044302A1 |
A display device illumination device (12) is an illumination device which supplies an illumination light to a display panel and includes: a cold cathode tube (17); an inverter circuit unit (30a) which supplies power to the cold cathode t...
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WO/2010/040634A1 |
An emergency ballast system is provided. The system includes a ballast unit having a DC/ AC inverter, and further includes a signal preparing unit and an emergency unit. The ballast unit is adapted to power a load connected to the emerge...
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WO/2010/040647A1 |
The present utility model discloses a self-oscillating half-bridge circuit device including a switch element, a driving element and a blocking capacitor, wherein the switch element includes a first transistor and a second transistor conn...
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WO/2010/038093A2 |
An electronic circuit and method is provided for decreasing, or at least maintaining within allowable limits, the total harmonic distortion caused by dimming a compact fluorescent lamp using a standard dimmer circuit such as a triac base...
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WO/2010/038303A1 |
An information providing system (100) includes: a digital converter (74) which converts predetermined information to be transmitted to a digital signal; a magnetic energy regeneration switch (MERS) (30) connected in series to a DC power ...
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WO/2010/037009A1 |
A light emitting driver circuit, system, and method are provided. The driver circuit system and method can be implemented in various ways. An embodiment includes a bypass circuit which diverts current from the LEDs whenever a switch coup...
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WO/2010/035368A1 |
Provided are a high-voltage discharge lamp lighting apparatus capable of preventing a lamp voltage in a high-voltage discharge lamp from excessively decreasing and a high-voltage discharge lamp apparatus using the high-voltage discharge ...
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WO/2010/031535A1 |
The invention relates to a method for determining the type of a lamp (L) or the topology of a plurality of lamps (L1 to L4) which is/are operated using alternating voltage having variable frequency (f), wherein the power supplied to the ...
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WO/2010/031430A1 |
The present invention relates to a circuit arrangement for operation of a discharge lamp, comprising: an input having a first input connection (E1) and a second input connection (E2) for connection of a supply voltage; a first electronic...
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WO/2010/029628A1 |
An illumination system (100) has a presence detection sensor (80) which detects the presence/absence of a human (M) or a vehicle (V), an MERS (30) which is connected with an AC power supply (20) and a street lamp (60), and a control part...
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WO/2010/028679A1 |
A circuit arrangement is described, particularly for supplying at least one lighting means, comprising at least one interference suppression means disposed in the vicinity of a source of interference. The invention further describes an e...
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WO/2010/027817A2 |
An apparatus and method provides a driver circuit that provides for power factor correction (PFC) to a load, such as a solid-state lighting (SSL) device, such as, for example, a light emitting diode (LED) or an array or cluster of LEDs. ...
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WO/2010/026494A1 |
A device includes a flash unit to generate light, and an optical sensor to receive the light from the flash unit, and generate a light intensity signal based on the received light. The device also includes a controller to generate a modi...
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WO/2010/027823A1 |
A direct lighting system and method is provided that includes a plurality of light-emitting diodes (LEDs) secured within a light fixture. The lighting system further includes a diffusive transmissive element adapted to transmit light fro...
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WO/2010/027493A2 |
A hybrid light source comprises a discrete-spectrum lamp (for example, a fluorescent lamp) and a continuous-spectrum lamp (for example, a halogen lamp). A control circuit individually controls the amount of power delivered to the discret...
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WO/2010/027389A2 |
An electronic ballast for driving a gas discharge lamp comprises an inverter circuit that operates in a partially self-oscillating manner. The inverter circuit comprises a push-pull converter having a main transformer having a primary wi...
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WO/2010/027392A1 |
An electronic ballast for driving a gas discharge lamp having first and second electrodes comprises an inverter circuit and a symmetric resonant tank circuit for minimizing the RFI noise produced at the electrodes of the lamp. The invert...
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WO/2010/027390A2 |
An electronic ballast for driving a gas discharge lamp comprises a measurement circuit (170) for measuring a lamp current flowing through the lamp and a lamp voltage produced across the lamp. The ballast comprises a first winding (260) m...
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WO/2010/023464A1 |
A system for controlling lamp striking voltage and recovery of energy from resonant lamp strike circuits used for electronic high intensity discharge lamp ballasting and other lamp ballasts is provided.
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WO/2010/023805A1 |
An F/F (10) that maintains the on or off operation of a switching element (Q1) on the high side of an inverter synchronized with the rise and fall of a main signal is provided with a recovery unit (9) that generates a signal to return to...
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WO/2010/024765A1 |
The present Invention relates to a method and a flash unit for increasing the stability in an electron flash tube within its dynamic range. The present invention discloses that a flash discharge (F) is preceded by a pre-discharge (G) whi...
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WO/2010/021191A1 |
An inverter control circuit (25) subjects transistors (Q1), (Q2) of a drive circuit (21) to complementary on/off operation. The inverter control circuit (25) generates a rectangular wave signal S1 of an on/off frequency (a first frequen...
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WO/2010/020937A1 |
The present invention provides a lighting system 10 for operating a high intensity discharge (HID) lamp 12, comprising: a converter 200 for converting an input voltage to a DC current; a commutator 202 coupled to the converter for conver...
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WO/2010/020946A1 |
The invention relates to a circuit for operating a high pressure discharge lamp La. The circuit comprises input terminals for connecting to a source of supply voltage; first capacitive means C1 coupled to the input terminals and second c...
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WO/2010/017687A1 |
An energy saving lamp with the automatic sensing and control function can detect the motion of a body and the illumination of the environment so as to turn on/off the lamp. It is characterized in that the inner side of the lamp head base...
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WO/2010/018048A1 |
The high-pressure discharge lamp (2) has no electrodes and is excited by means of microwaves. Acoustic resonances control the plasma flow and stabilize it. This stabilization is assisted by a specific shape of the discharge vessel. For t...
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