OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG Patent applications |
Patent application number | Title | Published |
20120188771 | LED LAMP - An LED lamp may include at least one support equipped with at least one LED, a lamp base, at least one circuit component, interposed between the lamp base and the at least one LED, for operating the at least one LED, and a lamp body made of optically transmissive material with a recess for holding at least that part of the support which carries the at least one LED, the lamp body having surface structuring for cooling by thermal convection, wherein the surface structuring comprises a multiplicity of elevations, and wherein the elevations are respectively designed in the form of islands. | 07-26-2012 |
20120069568 | Lighting module and corresponding method - A lighting module may include a printed circuit board carrying at least one light source, a reflector body to direct light from said at least one light source towards a distal opening of said reflector body, said reflector body having a bottom portion with first snap-in coupling formations coupling said printed circuit board to the bottom portion of said reflector body, and an optical holder carrying at least one lens to focus light from said at least one light source, said optical holder having second snap-in coupling formations coupling said optical holder to the bottom portion of said reflector body. | 03-22-2012 |
20120027651 | METHOD FOR RECOVERY OF RARE EARTHS FROM FLUORESCENT LAMPS - Method of recovery of rare earths from fluorescent lamps. The method comprises six steps. The individual process steps are: Mechanical separation of coarse components. Separation of the halophosphate. Extraction in acids of easily soluble rare-earth fluorescent substances (mainly Y, Eu-oxide) Extraction in acids of rare earth fluorescent substances which dissolve with difficulty (for example rare-earth phosphates) Breakdown of the remaining components which contain rare earths (for example rare-earth-aluminates) Final treatment. | 02-02-2012 |
20120025702 | ELECTRICAL LAMP HAVING SEAL AND METHOD FOR PRODUCTION - An electrical lamp may include a bulb made of glass which surrounds a volume; illumination means extending into the volume and a filling being accommodated in the volume; the illumination means being fastened at least by means of a supply line in the wall of the bulb and being sealed there; wherein at least one part of the axial length of the supply line is surrounded inside the wall by a prevention structure, which is present in the glass itself. | 02-02-2012 |
20120019146 | Detector circuit and method for controlling a fluorescent lamp - A detector circuit for controlling at least one fluorescent lamp is provided, wherein the detector circuit is configured such that an inactive fluorescent lamp can be detected if a first signal is present at least one of a first input and a second signal is present at a second input in a detection interval after a start-up phase. | 01-26-2012 |
20120014098 | Cooling element for a lighting device - A cooling element for a lighting device having a plurality of cooling fins, wherein adjacent cooling fins delimit a cooling fin intermediate space with at least one air duct for connecting at least two cooling fin intermediate spaces. | 01-19-2012 |
20120013250 | ULTRA-HIGH-PRESSURE MERCURY LAMP - An ultra-high-pressure mercury lamp according to various embodiments is an ultra-high-pressure mercury lamp in which a luminous tube employing a quartz bulb is attached to a neck part of a reflector by injecting first cement, and a metal base is attached to the neck-part end of the luminous tube by injecting second cement, wherein, if a is the outer diameter of the first cement and second cement after injection, b is the total axial depth of the first cement and second cement after injection, and c is the outer diameter of the quartz bulb in the vicinity of the luminous tube where the metal base is attached, the following relationships are satisfied: 1.3 | 01-19-2012 |
20120007515 | CIRCUIT ARRANGEMENT AND METHOD FOR OPERATING AT LEAST ONE DISCHARGE LAMP - Various embodiments relate to a circuit arrangement for operating at least one discharge lamp. In order to prevent intrinsic flicker at low dimming settings and low temperatures, according to various embodiments, a direct current which is fed into the discharge lamp so as to avoid striated discharges at relatively high dimming settings is reduced or entirely eliminated. | 01-12-2012 |
20120007509 | LIGHT HAVING AT LEAST ONE LED - A luminaire may include at least one LED; a solar module; an accumulator; an electronic charger coupled between the solar module and the accumulator; and a drive circuit coupled to the accumulator, for the at least one LED; a fastening device that is configured to fasten the luminaire at an operating location; and an LED holding device that is configured to hold the at least one LED; wherein the luminaire may further include a position varying device that is coupled between the fastening device and the LED holding device and is configured to vary the position of the at least one LED in relation to the fastening device. | 01-12-2012 |
20120002384 | CASING FOR ELECTRONIC BALLAST - A casing for electronic ballast, in which a PCB assembly is received, may include: a top wall; a bottom wall opposite to the top wall; two opposite side walls extending integrally between the top wall and bottom wall; and two opposite end walls extending integrally from the top wall, wherein the top wall, bottom wall, side walls and end walls are formed integrally, the top wall, bottom wall and side walls define openings at both ends of the casing in a lengthwise direction of the casing, the end walls are arranged to be pivotable relative to the top wall so as to close the openings formed by the top wall, bottom wall and side walls. | 01-05-2012 |
20110317430 | Reflector, Light Source Arrangement And Projector Apparatus - A reflector may have a reflective surface, wherein the contour of the reflective surface is traversed by a Bézier curve. | 12-29-2011 |
20110317398 | LUMINOUS DEVICE AND METHOD FOR OPERATING A LUMINOUS DEVICE - Various embodiments provide a luminous device, including at least one semiconductor light source and at least one light-transmissive converter element including a wavelength-converting phosphor sensitive to the light emitted by the semiconductor light source, wherein the semiconductor light source can be at least partly covered by the converter element, and the converter element is movable such that a proportion of a light wavelength-converted by means of the converter element is adjustable depending on a position of the converter element. | 12-29-2011 |
20110317133 | METHOD AND ELECTRONIC OPERATING DEVICE FOR OPERATING A GAS DISCHARGE LAMP AND PROJECTOR - A method for operating a gas discharge lamp featuring a gas discharge lamp burner and a first and a second electrode, wherein the electrodes have a nominal electrode separation in the gas discharge lamp burner before their first activation and said nominal separation is correlated to the lamp voltage. The method may include checking whether the off-time, corresponding to the time duration between two DC voltage phases, has expired; and if the off-time has expired, omitting commutations or applying pseudo-commutations for a predefined time duration which depends on the lamp voltage in such a way that a time duration of the omission of at least one of commutations and application of pseudo-commutations is predefined for each lamp voltage. | 12-29-2011 |
20110310624 | LIGHTING DEVICE - A lighting device may include a heat sink, which has at least one carrier attached to the outside of the heat sink for at least one semiconductor light source; a recess for accommodating a driver; and at least one electrically insulating supply, which connects the recess to the outside of the heat sink; wherein the electrically insulating supply includes a contact surface that connects to the outside of the heat sink in a flush manner, the contact surface being at least partially covered by the carrier. | 12-22-2011 |
20110310361 | METHOD AND ELECTRONIC OPERATING DEVICE FOR OPERATING A GAS DISCHARGE LAMP AND PROJECTOR - A method for operating a gas discharge lamp may include; the gas discharge lamp is operated using an intermittently constant lamp current, whose time-relative average value of the frequency is predetermined by the lamp voltage of the gas discharge lamp in the steady state, wherein the lamp current has predefined commutation points in the temporal course, and a commutation for generating a commutation pattern can take place at these commutation points, wherein the time-relative average value of the frequency of the lamp current is adjusted by means of a variation of the commutation pattern. | 12-22-2011 |
20110309733 | Electrical lamp having an outer bulb - An electrical lamp having an elongate inner bulb made of silica glass is provided. The electrical lamp may include a central part which is closed at two sides by fusings to which externally tubular extensions adjoin, the fusings containing foils, and the inner bulb having a longitudinal axis and an illuminant being accommodated in the inner bulb, and the inner bulb being surrounded by an outer bulb made of silica glass, wherein at the level of the end of the foils the fusings have beads which protrude radially outwards, an end region respectively of the outer bulb being connected to the bead, so heat is dissipated from the foil. | 12-22-2011 |
20110304268 | LIGHTING DEVICE HAVING A SEMICONDUCTOR LIGHT SOURCE AND AT LEAST ONE SENSOR - In various embodiments, a lighting device is provided, which may include at least one semiconductor light source, at least one sensor and evaluation electronics functionally connected to the at least one sensor, wherein the evaluation electronics are arranged to trigger at least one action of the lighting device upon at least one predetermined sensor signal of the at least one sensor. | 12-15-2011 |
20110304257 | Fluorescent Lamp and Lighting Instrument - A fluorescent lamp may include a pair of hot cathode electrodes at both its ends, wherein a phosphor is formed in a laminated manner on the inner surface of a glass tube and a protection film is formed between the glass tube and the phosphor, wherein a residual impure gas in the lamp, including the amount occluded by the phosphor and the protection film, is set to 0.5% or less with the sealed rare gas partial pressure ratio, and wherein the following relationship is fulfilled: G | 12-15-2011 |
20110299292 | Flexirigid support plate - In various embodiments, a rigid-flex mounting board for at least one semiconductor light source is provided. The mounting board may include at least one rigid support region configured to mount the at least one semiconductor light source; and a flexible support region, wherein the flexible support region has been produced by thinning of a rigid support region. | 12-08-2011 |
20110298383 | ELECTRONIC OPERATING DEVICE FOR A GAS DISCHARGE LAMP - The invention relates to an electronic operating device for a gas discharge lamp having: a DC/DC voltage converter, a power factor correction circuit, an inverter, a lamp inductor, and having a full bridge with two half bridges which can be controlled separately, wherein the DC/DC voltage converter additionally acts as a voltage step-down converter, and the inverter additionally has the following functions: lamp current regulation, the function of stepping down the voltage to the lamp voltage, and resonant ignition. | 12-08-2011 |
20110292653 | LED lamp, method for manufacturing and LED lamp and bulb therefor - In various embodiments, a semiconductor lamp may include at least one semiconductor light source; a heat sink for cooling at least the at least one semiconductor light source; and a diffuser fixed to the heat sink; wherein the heat sink has at least one receptacle space; wherein the receptacle space is filled with solid filling compound; and at least one part of an edge of the diffuser is dipped into the filling compound in a positively locking manner. | 12-01-2011 |
20110291557 | HIGH PRESSURE DISCHARGE LAMP - A high pressure discharge lamp may include a ceramic discharge vessel and a longitudinal axis, wherein at least one electrode is led out of the discharge vessel by means of a metal-containing feed-through, wherein the feed-through is connected to one end of the discharge vessel by way of a ceramic-containing adjustment part, wherein the adjustment part is tubular and consists of individual layers with different compositions, at least two materials A and B forming a plurality of layers of the adjustment part, these materials being chosen such that their coefficient of thermal expansion is between that of the feed-through and that of the end of the discharge vessel or at most is just outside, the layer thickness of each layer being so low that no shearing forces can occur, and the layer thickness of each layer of the same material being different. | 12-01-2011 |
20110291125 | LIGHTING MODULE - A lighting module may include a lighting band with a band-shaped flexible substrate, wherein at least one semiconductor light source is applied to a top side of the substrate, wherein the lighting module is faced with a protective layer such that at least one emission area of the at least one semiconductor light source is exposed thereby. | 12-01-2011 |
20110286227 | LED LAMP, MOUNTING AND METHOD FOR OPERATING AN LED LAMP - A lamp may include illumination means which include at least one LED, and having a base, by way of which the lamp can be connected to a mounting in order to be supplied with voltage, wherein the illumination means are connected to the base by way of a mechanism which in a first state couples the illumination means in rotatable fashion to the base around an axis and in a second state couples the illumination means to the base in a rotatably fixed manner, and light emitted by the illumination means has an intensity distribution which is asymmetric with respect to the axis. | 11-24-2011 |
20110285298 | Illumination Module - A luminous module for a luminous chain may include at least one light source; and at least one electrical connection configured to supply the at least one light source, wherein the luminous module includes a heat sink. | 11-24-2011 |
20110279941 | HALF-BRIDGE CIRCUIT PROTECTED AGAINST SHORT CIRCUITS AND HAVING SEMICONDUCTOR SWITCHES - A circuit arrangement with two semiconductor switches connected in series between a first potential connection and a second potential connection is provided. The circuit arrangement may include an inductive element connected in series between the two potential connections and by elements of an action chain of such a nature that, under predefined conditions, a voltage drop across the inductive element effects the switching off of at least one of the semiconductor switches. | 11-17-2011 |
20110279494 | METHOD AND DEVICE FOR ADJUSTING THE COLOR POINT OF A LIGHTING UNIT - A method for adjusting the color point of a lighting unit including semiconductor-based lasers for generating an RGB signal. The method may include supplying at least one component of the RGB signal to a sensor via a filter; and actuating at least one of the semiconductor-based lasers by means of a signal detected by the sensor. | 11-17-2011 |
20110279031 | High pressure discharge lamp - In various embodiments, a high pressure discharge lamp may include a ceramic discharge vessel which contains two electrodes and a metal halide filling in a discharge volume V, wherein the filling contains a starting gas that is selected individually or in mixture from the group of the noble gases, wherein the filling moreover contains metal halides that are selected individually or in mixture from the group MXn, M being a representative from the group In, Zn, Mg, Mn, Al, Tl, Sn, Sc, Hg and X being a representative from the group I, Br, Cl, wherein moreover the filling contains a stoichiometric excess of the metallic portion M in relation to MXn, wherein the concentration of the metallic portion is in the range from 0.1 to 20 mg/cm | 11-17-2011 |
20110273096 | DETECTOR CIRCUIT AND METHOD FOR ACTUATING A FLUORESCENT LAMP - A detector circuit for actuating at least one fluorescent lamp may be configured such that the actuation of at least one fluorescent lamp occurs as a function of a first signal at a first input and as a function of a second signal at a second input if the first signal and the second signal are each greater than a first prescribed voltage and less than a second prescribed voltage during a start-up phase. | 11-10-2011 |
20110266968 | METHOD AND DEVICE FOR OBTAINING CONDUCTION ANGLE, METHOD AND DEVICE FOR DRIVING LED - In various embodiments, a method for obtaining a conduction angle of a trailing edge dimmer is provided. The method may include determining a time point t | 11-03-2011 |
20110266967 | METHOD AND SYSTEM FOR DRIVING LED - The present invention discloses an LED driving method and an LED driving system, the method comprising: generating a PWM control signal with a PWM dimming signal; and controlling a PWM DC/DC converter with the PWM control signal, so as to generate a driving voltage of the LED. | 11-03-2011 |
20110260650 | DEVICE FOR CONTROLLING POWER SUPPLY TOWARDS LIGHT SOURCES AND RELATED METHOD - In various embodiments, a device for controlling power supply towards at least one light source comprising a load having a value variable as a result of switching of at least one switch coupled thereto, is provided. The device may include: a power supply set controllable to determine the intensity of the current fed towards said load; a current feedback loop sensitive to the intensity of the current fed towards said load, said current feedback loop connected to said power supply set to maintain the intensity of the current fed towards said load upon variation of said load; and a voltage control sensitive to the voltage across said load, said voltage control likewise connected to said power supply set to maintain the intensity of the current fed towards said load upon variation of said load. | 10-27-2011 |
20110260640 | POWER SUPPLY CIRCUIT FOR LIGHT SOURCES, SUCH AS LIGHTING LED SYSTEMS - In various embodiments, a power supply circuit for light sources is provided. The power supply circuit may include a ground line and a current feed line towards said light source, wherein said circuit includes an output inductor interposed in said current feed line, the circuit including an electronic switch interposed in said feed line switchable between an on condition, wherein said electronic switch is configured to ensure continuity of said feed line, and an off condition, wherein said electronic switch is configured to interrupt said current feed line, the circuit further including a rectifier set interposed between said output inductor and said electronic switch to rectify the voltage across said output inductor, the voltage produced by said rectifier set constituting a drive voltage to maintain said electronic switch in said on condition. | 10-27-2011 |
20110260597 | DISCHARGE LAMP - A discharge lamp may include a substantially ellipsoidal discharge vessel that surrounds an anode and a cathode that are respectively fixed by current-carrying electrode holders, the latter being guided through bulb shafts arranged diametrically on the discharge vessel, there being provided around the electrode holders at the transition from the discharge vessel to the bulb shafts constrictions that form a connecting channel between the discharge space, surrounded by the discharge vessel, and in each case the bulb shaft spaces surrounded by the bulb shafts, wherein at least one of the discharge vessel, the constrictions and the anode coating is designed in such a way as to reduce or avoid blackening of the discharge vessel in the light-emitting region. | 10-27-2011 |
20110254463 | METHOD FOR OPERATING A LAMP AND ELECTRONIC BALLAST - A method for operating a lamp may include: Connecting a device to a pair of input connections of an electronic ballast and by this means determining a respective dimming duration for at least one predetermined situation; and Activating the lamp by the electronic ballast in at least one predetermined situation such that the lamp emits light with a reduced intensity compared with the normal intensity at which the lamp otherwise emits light over a period of a dimming duration determined for this situation. | 10-20-2011 |
20110248628 | MERCURY-FREE DISCHARGE LAMP - A mercury-free discharge lamp with an electrical power consumption of less than 35 Watts may include a translucent discharge vessel which has a discharge space into which electrodes protrude for generating a gas discharge, wherein metal halides and ignition gas are contained in the discharge space, wherein the metal halides are present in a quantity in the range from | 10-13-2011 |
20110248028 | CERAMIC DISCHARGE VESSEL FOR A HIGH-PRESSURE DISCHARGE LAMP - In various embodiments, a discharge vessel for a high-pressure discharge lamp may include a plurality of parts from ceramic material, wherein the discharge vessel is made of at least two stacked layers. | 10-13-2011 |
20110241566 | Power supply device for light sources, such as halogen lamps, and related method - In various embodiments, a power supply device for light sources may include a feed line from mains via a phase-cut dimmer, selectively switchable between a conductive state and a non-conductive state, to permit or interrupt feeding of the device from mains. The device may include a power stage to feed at least one light source from said feed line from mains; a drive stage for said power stage; and a supply stage for said drive stage, said supply stage connected to said feed line from mains. The device may further include a sensor to detect when said dimmer is non-conductive and when said dimmer is conductive. The drive stage may be coupled to the sensor to disable driving of said power stage when the sensor indicates that the dimmer is non-conductive, and enable driving of the power stage when the sensor indicates that the dimmer is conductive. | 10-06-2011 |
20110241530 | ELECTRICAL LAMP HAVING AN OUTER BULB AND A BUILT-IN LAMP - An electrical lamp may include an outer bulb and a built-in lamp arranged therein, and a longitudinal axis, a base being attached to the outer bulb, the built-in lamp being fitted with a pinch from which at least one outer power supply lead protrudes which, in turn, is electrically conductively connected by a connecting means to a supply cable, hereinafter called a base pin, extending upwards from the base wherein the connecting means is an assembly clip which comprises a frame part, the frame part connecting a hollow rail to a contact part, the contact part being connected to the outer power supply lead and the hollow rail being connected to the base pin. | 10-06-2011 |
20110241520 | HALOGEN INCANDESCENT LAMP - In various embodiments, a halogen incandescent lamp is provided. The halogen incandescent lamp may include a bulb, in which a light-emitting element is fixed by means of a frame, the bulb defining an axis, the frame having a frame wire and a separate part for holding the light-emitting element, wherein the separate part is a clip which is fastened on the frame wire, the clip having a functional limb, with the end of said functional limb being threaded or plugged into a coiled end of the light-emitting element. | 10-06-2011 |
20110235336 | DIFFUSING PLATE - A diffusing plate may include a transparent base body which has a first surface, the first surface being subdivided into facets, and in which an elevation or depression with a second, curved surface can be assigned to every facet, the facets having different geometric shapes, wherein the facets are assigned to several circular rings, in the sense that their center points lie on each of them. | 09-29-2011 |
20110234116 | METHOD FOR PROGRAMMING ELECTRONIC OPERATING DEVICES FOR DISCHARGE LAMPS AND ELECTRONIC OPERATING DEVICE FOR DISCHARGE LAMPS - A method for programming an electronic operating device is provided. The method may include programming the operating device via a slow on/off switching pattern of its supply voltage, the operating device being configured to automatically dim the connected light or lights on a time-control basis after programming, and choosing the time base of the on/off switching pattern used for programming such that a person can carry out the programming using a clock and an on/off switch for the supply voltage. | 09-29-2011 |
20110234103 | Operating device and method for operating at least one Hg low pressure discharge lamp - An operating device for operating at least one Hg low-pressure discharge lamp which has a first and a second electrode coil may include a unit for providing a variable that is correlated with the Hg vapor pressure in the at least one Hg low-pressure discharge lamp comprises at least one unit for capturing emission spectra of at least specifiable spectral ranges, wherein the unit for capturing emission spectra may include at least one light receiving unit which is arranged in the beam path of the at least one Hg low-pressure discharge lamp. | 09-29-2011 |
20110233424 | UV LUMINAIRE HAVING A PLURALITY OF UV LAMPS, PARTICULARLY FOR TECHNICAL PRODUCT PROCESSING - In various embodiments, a UV luminaire may include a housing which is designed for accommodating a plurality of UV lamps and a protective atmosphere, wherein the housing is subdivided in such a manner into chambers respectively containing some of the UV lamps and can be opened in such a manner that each of the UV lamps can be replaced with detriment to the protective atmosphere only of the respective chamber. | 09-29-2011 |
20110228405 | OPTICAL LENS AND METHOD FOR PRODUCING AN OPTICAL LENS - In various embodiments, an optical lens is provided, which is shaped like a hood and has a light-transmissive front face as well as a sidewall adjacent thereto, wherein the sidewall has at least one ridge-like section having an increased wall thickness and running in the direction of the front face. | 09-22-2011 |
20110227969 | Image Projection through grid scanning of a modulated light beam using mirrors - In various embodiments, a method for projecting at least one light beam is provided. The method may include providing at least one light beam; and setting a time base of a processor configured to control the at least one light beam as a function of a deflection of the at least one light beam. | 09-22-2011 |
20110222282 | ILLUMINATION DEVICE COMPRISING TWO PRINTED CIRCUIT BOARDS - An illumination device may include at least one light source; and at least two printed circuit boards arranged at least partially one above the other; wherein the at least two circuit boards are connected by means of at least one plug-connection element, with the plug-connection element being embodied on at least one side as a press-fit plug. | 09-15-2011 |
20110221337 | Electric lamp with an outer bulb and a built-in lamp and associated production method - In various embodiments, an electric lamp is provided, which may include an outer bulb and a base fastened thereto and a longitudinal axis, the bulb surrounding a built-in lamp, which is equipped with a pinch seal with two narrow sides and two broad sides, from which at least one outer power supply line protrudes, the feed line being held in a plate-like stand, the built-in lamp being held in the outer bulb by a cementless connecting means in the form of a mounting clip, wherein a connection between an outer power supply line and a feed line is ensured by virtue of the fact that a first one of these two component parts is bent back in the form of a bow, while the second of these component parts is bent back in the manner of a loop and is suspended in the bow. | 09-15-2011 |
20110215718 | HALOGEN INCANDESCENT LAMP FOR OPERATION ON MAINS VOLTAGE - A halogen incandescent lamp for operation at mains voltage is provided. The halogen incandescent lamp may include a unilaterally pinched bulb in which is accommodated a filament and a halogen-containing filling as well as an inert gas, wherein at least one bulb section disposed in the vicinity of the pinch is oval shaped, said filling containing xenon as the inert gas. | 09-08-2011 |
20110211357 | METHOD FOR PRODUCING A FLEXIBLE LIGHT STRIP - A method for producing a flexible light strip having a substrate designed for bending and provided for fitting with light sources, is provided. The method may include singularizing the light strip from an endless intermediate product; and the endless intermediate product having at least one fiberglass composite layer. | 09-01-2011 |
20110211332 | REFLECTOR ELEMENT FOR AN ELECTRIC LAMP AND LAMP WITH SUCH A REFLECTOR ELEMENT - A reflector element for an electric lamp is provided, wherein the reflector element is constructed in such a way that it is designed for photocatalysis and/or for color conversion of the light. | 09-01-2011 |
20110210817 | LIGHT FOR AT LEAST ONE LED AND TRANSMITTER FOR GENERATING A RADIO SIGNAL FOR SUCH A LIGHT - A lamp may include at least one LED; a solar module; an accumulator; charging electronics coupled between the solar module and the accumulator; a drive circuit for the at least one LED, which is coupled to the accumulator; a receiver which is coupled to the accumulator and is configured to receive a radio signal; and a processing device which is coupled to the accumulator and the receiver and is configured to form at least one drive signal for the drive circuit from the data received with the radio signal. | 09-01-2011 |
20110210684 | WIRELESS SUPPLYABLE LIGHTING MODULE - A light-emitting module may include at least one receiver configured to wirelessly tap off energy from an alternating field, and at least one light source, which is connected to the receiver for tapping off electrical power, wherein the at least one light-emitting module is surrounded at least partially by a protective housing, wherein the light-emitting module is self-aligning. | 09-01-2011 |
20110204792 | CURCUIT ARRANGEMENT AND METHOD FOR OPERATING AN OLED - A circuit arrangement for operating an OLED may include a current source to supply the OLED with power; an OLED voltage measuring device configured to provide at its output a signal which is correlated with the voltage dropping across the OLED; an evaluation device configured to provide at its output a first signal if the voltage dropping across the OLED lies above a specifiable threshold value, and to provide a second signal if the voltage dropping across the OLED lies below the specifiable threshold value; an electronic switch having a reference electrode, a working electrode and a control electrode; and at least one ohmic resistor; wherein the series connection of the at least one ohmic resistor and the working electrode-reference electrode section of the electronic switch is connected in parallel with the OLED. | 08-25-2011 |
20110204776 | Ceramic metal halide lamp having a high color temperature - In various embodiments, a high-pressure discharge lamp is provided. The high-pressure discharge lamp may include a ceramic discharge vessel which encloses a discharge volume, wherein a filling containing sodium halides, rare earth halides, mercury and inert gas is accommodated in the discharge volume, wherein the filling at the same time includes the rare earths Tm and Gd, the relative proportions between Gd and Tm, considered as a molar ratio, lying in the range 0.1 to 1. | 08-25-2011 |
20110199017 | CIRCUIT AND METHOD FOR DRIVING A LUMINOUS MEANS - A circuit for driving a luminous means is provided. The circuit may include a driver circuit having an input and an output, wherein the output of the driver circuit is connected to the luminous means; and a detector circuit, on the basis of which, depending on an input signal of the driver circuit, a capacitor can be connected to the output of the driver circuit or to the input of the driver circuit. | 08-18-2011 |
20110194290 | REDUCTION OF THE POWER INTRODUCED INTO THE ELECTRODE OF A DISCHARGE LAMP BY BACK-REFLECTION - An illumination unit including a discharge lamp is provided. The discharge lamp may have an electrode, and a reflector with a reflective surface and an optical axis, the electrode having in a sectional plane, which includes the optical axis, a sectional area, and a projection of the reflective surface of one of the halves of the reflector that are separated by the section perpendicularly into the sectional plane along optical paths that are free for the light of the illumination unit resulting in a projected area, wherein the overlap of the projected area and the sectional area is smaller than the area of the electrode in a plane which is perpendicular to the sectional plane and includes the optical axis. | 08-11-2011 |
20110193486 | METHOD FOR OPERATING A LIGHT-EMITTING DIODE ARRANGEMENT, AND CIRCUIT ARRANGEMENT - A circuit arrangement for operating an LED arrangement, wherein a controller transmits a current intensity value for a respective LED to a driver and the latter feeds the LED with current in a time sequence containing a check pulse, and wherein a measuring device is configured to measure the light emitted by the light-emitting diode on account of the check pulse, wherein the controller is configured to use only measurement values which represent the light of check pulses for the stipulation of current intensity values, and wherein the driver defines a main factor, which is dependent on at least one of the temperature of the LED and on the voltage dropped across said LED, wherein the driver is configured to multiply the current intensity value by the main factor and this product defines the current intensities of all the current pulses in the time sequence apart from the check pulse. | 08-11-2011 |
20110181206 | EMERGENCY POWER SUPPLY CIRCUIT FOR DIMMABLE ELECTRONIC BALLASTS AND RELATED METHOD - An emergency supply circuit for an electronic ballast may include: an output line to feed a supply input of the ballast; a first line to receive a mains supply signal; a second line to receive an emergency supply signal from a battery, with a converter interposed in said second line to boost said supply signal, a switch to alternatively connect said output line to said first or said second line; a controller sensitive to the absence of said mains supply signal and to the charge level of said battery, said controller to produce switching of said switch to connect said output line to said second line in the absence of said mains supply signal on said first line, whereby said output line receives said supply signal, and dimming interface circuitry to drive said dimming control input of said ballast when said output line is connected to said second feed line. | 07-28-2011 |
20110176305 | RADIATION-EMITTING APPARATUS - A radiation-emitting apparatus for emitting a variable electromagnetic secondary radiation in an emission direction may include at least one radiation-emitting component configured to emit during operation an electromagnetic primary radiation, a reflector, which is arranged in the beam path of the radiation-emitting component and has a first wavelength conversion substance for the at least partial conversion of the primary radiation into electromagnetic conversion radiation, and an aperture, which is variable in terms of its orientation relative to the radiation-emitting component and to the reflector, wherein by way of changing the orientation of the aperture the secondary radiation is variable by changing that proportion of the primary radiation which is emitted by the radiation-emitting component onto the first wavelength conversion substance, and by changing the emitted conversion radiation. | 07-21-2011 |
20110175525 | ELECTRODE FOR A DISCHARGE LAMP AND A DISCHARGE LAMP AND METHOD FOR PRODUCING AN ELECTRODE - In various embodiments, an electrode for a discharge lamp is provided. The electrode may include a metal pin that has a section around which a coil made of metal wire is wound, wherein the metal wire is flattened. | 07-21-2011 |
20110170302 | ILLUMINATION APPARATUS WITH A HEAT SINK - An illumination apparatus is provided. The illumination apparatus may include at least one light-emitting diode; and at least one heat sink for cooling the light-emitting diode, wherein at least one component of the illumination apparatus provided for thermal discharge has an emission coefficient of more than 0.75. | 07-14-2011 |
20110169427 | CIRCUIT ARRANGEMENT AND METHOD FOR OPERATION OF A DISCHARGE LAMP - In various embodiments, a circuit arrangement may include a voltage-measuring device embodied to measure an output voltage, wherein the voltage-measuring device is embodied to provide at its output a signal which is correlated with the measured output voltage, wherein the voltage-measuring device is coupled to a control device for the purpose of transmitting said signal to the control device, and wherein the control device is embodied to vary an off-time as a function of the measured output voltage. | 07-14-2011 |
20110163693 | CIRCUIT ARRANGEMENT AND METHOD FOR OPERATING AT LEAST ONE LED - A circuit arrangement for operating at least one LED may include an operational amplifier; wherein a first connection of the LED is coupled to a connection for a DC supply voltage; a transistor which is coupled in series with the first connection and a second connection for the LED and can be operated in an analog manner, wherein the transistor has a control electrode, a reference electrode and a working electrode, wherein the control electrode is coupled to the output of the amplifier, wherein the working electrode is coupled to the connection for a supply voltage; and a current measuring resistor which is coupled in series between the reference electrode and a reference potential, wherein the voltage dropped across the current measuring resistor is coupled to the inverting input of the amplifier; wherein at least one load is coupled in parallel with the first and second connections for the LED. | 07-07-2011 |
20110156614 | CIRCUIT AND METHOD FOR DIMMING A LUMINOUS ELEMENT - In various embodiments, a circuit for dimming at least one luminous element is provided. The circuit may include at least two switching inputs and an N-connection, wherein on the basis of a switching combination of the switching inputs the at least one luminous element is dimmable, wherein as a function of a voltage shape across the N-connection the at least one luminous element is dimmable. | 06-30-2011 |
20110149550 | Alpha-sialon phosphor - The present invention relates to a novel alpha-sialon phosphor that is characterized in that it contains a metal M2 together with Mn as a dopant. M2 is particularly Eu and/or Yb. | 06-23-2011 |
20110148296 | High-pressure discharge lamp - In various embodiments, a high-pressure discharge lamp is provided. The high-pressure discharge lamp may include an elongated discharge vessel that is accommodated in a tubular outer bulb which is held at one end in a base, the outer bulb being surrounded by a second outer bulb, wherein the second outer bulb is fastened in the region of the base. | 06-23-2011 |
20110148295 | High-pressure discharge lamp - In various embodiments, a high-pressure discharge lamp is provided. The high-pressure discharge lamp may include a discharge vessel which is accommodated in a tubular outer bulb, wherein a major part of the outer bulb is closely surrounded by a transparent sleeve composed of highly heat-resistant plastic. | 06-23-2011 |
20110140634 | CIRCUIT ARRANGEMENT AND METHOD FOR THE OPERATION OF AT LEAST ONE DISCHARGE LAMP - A circuit arrangement for the operation of at least one discharge lamp is provided. The circuit arrangement may include an input for connecting an AC supply voltage; a rectifier, which is coupled to the input and has a first output terminal and a second output terminal for providing a DC supply voltage; an inverter, which includes at least a first switch and a second switch, which are coupled in series between the first output terminal and the second output terminal of the rectifier; a control circuit which is at least designed to drive the first switch and the second switch, with a first input for receiving a control signal, and a second input for feeding a voltage for supplying the control circuit, the second input being connected to an operational supply apparatus, which is designed to couple an operational supply voltage to the second input of the control circuit during operation of the inverter; a control line, which is coupled firstly to the input for connecting an AC supply voltage and secondly to the first input for receiving a control signal, a third switch being arranged in the control line; wherein it furthermore includes a startup supply apparatus with an input and an output, its input being coupled to the first input of the control circuit, and its output being coupled to the second input of the control circuit, the startup supply apparatus being designed to provide a startup supply voltage at the output of the startup supply apparatus in the event of an on signal at the input of the startup supply apparatus when the control circuit has no supply and therefore is switched off. | 06-16-2011 |
20110140601 | ELECTRODE STRUCTURES FOR DISCHARGE LAMPS - An electrode structure configured to operate in a discharge lamp and a method to make such an electrode structure are described. The electrode structure includes an electrode head portion comprising a plurality of raised features arranged in a configuration such that an average pitch of the plurality of raised features is at least 105%. The method includes providing an electrode configured to operate in the discharge lamp and forming raised features on an electrode head portion of the electrode at an average pitch of at least 105%. | 06-16-2011 |
20110133663 | HIGH-PRESSURE DISCHARGE LAMP - A high-pressure discharge lamp, which has no electrodes and is excited by means of high-frequency electromagnetic waves, may include an ceramic elongated discharge vessel, which has an axis, where the discharge vessel has a filling that forms a plasma, when radio frequency power (RF) is coupled into the filling from the base body, where the filling comprises a gas and at least one metal halide, where a circuit for operation of the lamp is coordinated, which provides RF power, so that the coupled-in RF power vaporizes the metal halide, which leads to light emission, wherein the discharge vessel is specially designed for operation with acoustic modulation control of the plasma flow, wherein the discharge vessel is divided into a central part with at least approximately constant internal diameter and two ends, whose internal diameter reduces towards the end. | 06-09-2011 |
20110133631 | CONVERSION LED - In various embodiments, a conversion LED is provided. The conversion LED may include a chip on which a first layer containing a fluorescent substance is deposited, a second layer containing a second fluorescent substance being deposited on said first layer, wherein the first layer is a potting material in which the first fluorescent substance is dispersed, and wherein the second layer is a solid body, said first layer being provided with a spacer. | 06-09-2011 |
20110127910 | High-pressure discharge lamp - In various embodiments, a metal halide discharge lamp is provided, which may include a ceramic discharge vessel containing a metal halide fill, including a tubular central part and two end sections which are configured asymmetrically, in each of which an electrode system is held, wherein a pointed first end section tapers as seen from the central part, while a blunt second end section either remains constant in its dimensions or widens as seen from the central part, a stopper being fitted at least in the blunt end. | 06-02-2011 |
20110121750 | Self-oscillating half-bridge drive device and light-emitting device - Various embodiments relate to a self-oscillating half-bridge drive device, which may include a half-bridge inverter circuit having a first primary switch and a second primary switch; and a pull-down unit. The pull-down unit may prevent the other of the primary switches from being turned on when one of the primary switches is in an on state so as to avoid turning on of both primary switches. In addition, various embodiments also relate to a light-emitting device having such a self-oscillating half-bridge drive device. | 05-26-2011 |
20110115404 | METHOD AND DEVICE FOR DETERMINING CALIBRATION DATA FOR AN LED LIGHT SOURCE WHILE TAKING INTO CONSIDERATION THE BARRIER LAYER TEMPERATURE - In various embodiments, a method for determining calibration data for a light source is provided. The method may include determining at least one of a photometric quantity and a colorimetric quantity of the light source; determining a color stimulus specification using at least one of the photometric quantity and the colorimetric quantity; and determining the calibration data as a function of the color stimulus specification and a temperature of the light source. | 05-19-2011 |
20110115374 | TRANSFORMER AND LAMP BASE ELEMENT, LAMP BASE, AND DISCHARGE LAMP HAVING SUCH A LAMP BASE - In various embodiments, a lamp base element for holding a transformer is provided. The lamp base element may include a transformer chamber which holds the transformer, wherein the transformer is held completely in the transformer chamber, and wherein the contact pins of the transformer are passed through a contact-making face of the transformer chamber, which contact-making face is opposite an opening face. | 05-19-2011 |
20110110083 | LIGHTING MODULE, LAMP AND LIGHTING METHOD - A lighting module may include a light source; a lens arranged at a distance from the light source; and a reflector; wherein the lens is configured and arranged to have a wide-angle emission characteristic and to direct a proportion of the light incident from the light source onto the reflector, wherein the proportion is at least 30%. | 05-12-2011 |
20110109246 | CIRCUIT CONFIGURATION AND METHOD FOR OPERATING AT LEAST ONE FIRST AND ONE SECOND LED - A circuit configuration may include an operational amplifier having a plus and a minus input and an output; and a current sensing resistor, whereby the voltage drop across the resistor is coupled to the minus input; a first transistor having a control electrode, a reference electrode and a working electrode, the working-reference electrode path of which is coupled in series to a first and second connection for a first LED between a connection for a supply voltage and the reference potential; a second transistor having a control electrode, a reference electrode and a working electrode, the working-reference electrode path of which is coupled in series to a first and second connection for a second LED between a connection for a supply voltage and the reference potential; a first switch and a second switch coupled in series between the output and the control electrode of the first and second transistor, respectively. | 05-12-2011 |
20110096328 | Multi-Signal Determination of Polarization Dependent Characteristic - A method of determining polarization dependent characteristic of an optical device under test ( | 04-28-2011 |
20110095695 | Illuminating System Having Sequential Color Filtering And A High-Pressure Discharge Lamp - A novel operating method and corresponding ballast for illuminating systems having temporally sequential color filtering and a high-pressure discharge lamp operated by alternating current. In this case, at least three commutations of the lamp current are used within a color filtering sequence, in order to be able to operate the lamp advantageously without an excessive increase in the operating frequency of the color filter system. | 04-28-2011 |
20110095680 | METAL HALIDE DISCHARGE LAMP HAVING HIGH-PRESSURE BUFFER GAS - In various embodiments, a high-pressure discharge lamp that is intended to operate with system voltage. The high-pressure discharge lamp may include a discharge vessel that surrounds a discharge volume, a fill that contains metal halides, mercury and inert gas from the group of neon, argon, krypton and xenon being accommodated in the discharge volume, wherein the fill contains at least one of the halogens of iodine and bromine, a zero current phase in the power supply being bridged by selecting the cold fill pressure of the inert gas in the range of 4 to 8 bar. | 04-28-2011 |
20110090671 | ILLUMINATION DEVICE - An illumination device may include a hollow body having at least one light emission opening, wherein the hollow body has at least partly a reflective surface at its inner side, and at least one semiconductor luminous element, wherein a predominant portion of the light emitted by the semiconductor luminous element is incident on the inner side of the hollow body and is reflected from there through the light emission opening. The device may furthermore include a covering for the light emission opening with a grid-type arrangement of light transmission openings, wherein the at least one semiconductor luminous element is fixed to the covering and is directed at the inner side of the hollow body, and wherein a side area of the covering that surrounds the light transmission openings is at least partly reflectively coated. | 04-21-2011 |
20110089826 | HALOGEN INCANDESCENT LAMP - A halogen incandescent lamp may include a bulb, in which a light-emitting element and a fill with a halogen-containing additive is accommodated, the halogen containing F, wherein a fluorine-resistant layer which is passive at suitable temperatures is accommodated in the interior of the bulb and completely covers the inner wall. | 04-21-2011 |
20110085362 | DRIVE UNIT, FOR INSTANCE FOR HALOGEN LAMPS, AND CORRESPONDING METHOD - A drive unit for electrical loads is provided. The drive unit may include an insulating transformer having a secondary winding for an alternate current to flow therethrough, wherein said secondary winding of said insulating transformer is coupled to electronic switches in a synchronous rectifier arrangement, said electronic switches to be alternatively switched on and off as a function of a trigger signal to produce a rectified output signal from said alternate current flowing through said secondary winding, wherein the unit includes a sense inductance coupled via a set of conductive strips to the secondary winding of said insulating transformer to sense the zero crossings of said alternate current flowing through said secondary winding and generate therefrom said trigger signal for said synchronous rectifier arrangement. | 04-14-2011 |
20110080753 | VEHICLE LIGHTING DEVICE WITH AT LEAST TWO SEMICONDUCTOR LAMP ELEMENTS - A vehicle lighting device having at least two semiconductor light-emitting elements may include at least a first light-emitting element group and a second light-emitting element group, each having at least one semiconductor light-emitting element, the light-emitting element groups being selectively drivable and the first light-emitting element group having at least a foglight function, the first light-emitting element group and the second light-emitting element group having a daytime running light function. | 04-07-2011 |
20110074304 | WIRELESSLY SUPPLIED ILLUMINATION MEANS - An illuminator may include at least one receiver configured to wirelessly tapping off power from an alternating field; and at least one light source which is connected to the receiver, wherein the illuminator has a flat adhesive surface which is magnetic or can be magnetized. | 03-31-2011 |
20110074286 | HIGH-PRESSURE DISCHARGE LAMP - A high-pressure discharge lamp may include an elongate ceramic discharge vessel, at the ends of which an electrode system with an electrode tip pointing towards the discharge is mounted in a seal, the seal being tubular, the discharge vessel having an aspect ratio of at least 1.5, the discharge vessel having a metal halide fill and a wall load of more than 25 W/cm | 03-31-2011 |
20110074285 | HIGH PRESSURE DISCHARGE LAMP WITH A CAPACITIVE STARTING AID - A high pressure discharge lamp with a capacitive starting aid is provided. The high pressure discharge lamp may include an outer bulb; a discharge vessel that is accommodated in the outer bulb, the discharge vessel comprising at least one end with a seal in which an electrode system is fastened; a frame holding the discharge vessel in the outer bulb; and a starting aid fastened on the seal. The starting aid may have two functional parts. | 03-31-2011 |
20110068673 | METHOD FOR ASSEMBLING A SOCKET FOR A DISCHARGE LAMP AND DISCHARGE LAMP - A method for fitting a base for a discharge lamp is provided. The method may include providing a discharge lamp with an end region, on which an option is provided for making contact with an electrode located in the interior of the discharge vessel; applying material to the end region; positioning a base sleeve onto the end region with the material; and positioning a clamping ring onto the base sleeve; wherein the clamping ring is of the kind that has at least one bead. | 03-24-2011 |
20110050130 | BUCK CONVERTER AND METHOD FOR PROVIDING A CURRENT FOR AT LEAST ONE LED - A Buck converter may include an input for connecting a DC voltage source; an output for connecting an LED; and a diode, an inductor and a main switch; wherein the diode and the main switch are coupled in series, wherein the inductor is coupled between the connecting point for the diode and the main switch, and a first output connection, wherein the converter further includes: a first auxiliary switch supplied with a first voltage; and a second auxiliary switch supplied with a second voltage, wherein the first auxiliary switch and the second auxiliary switch are coupled to the main switch such that the first voltage stipulates the switch-off time for the main switch and the second voltage stipulates the switch-on time for the main switch. | 03-03-2011 |
20110050129 | BUCK CONVERTER FOR MAKING POWER AVAILABLE TO AT LEAST ONE LED - A buck converter for providing a current for an LED includes an input for connection of a DC voltage source; an output for connection of the LED; and a Buck diode, a Buck inductor and a Buck main switch which has a control electrode, a working electrode and a reference electrode. The diode and the main switch are coupled in series, wherein the connecting point between the diode and the main switch is coupled to the second output connection. The converter includes: an auxiliary winding which is coupled to the inductor and has a connection which is coupled to the second input connection and a connection which is coupled to the control electrode of the switch, wherein the auxiliary winding is coupled to the inductor such that, when current is flowing through the switch, a current is provided through the auxiliary winding to the control electrode of the switch. | 03-03-2011 |
20110050075 | THERMALLY IMPROVED LAMP - A lamp having a lamp vessel is provided, the lamp vessel having a shaft, through which a power supply line extends; and a metallically conductive coating on the outer side of the shaft, wherein the maximum layer thickness of the coating is 30 nm, and the layer thickness is designed to minimize the reflection of infrared radiation generated in the lamp. | 03-03-2011 |
20110047337 | METHOD AND DEVICE FOR DETECTING A STATISTICAL CHARACTERISTIC OF A LIGHTING DEVICE - The present invention relates to a method for detecting a static index of a lighting device ( | 02-24-2011 |
20110043692 | VIDEO PROJECTION SYSTEM AND SYNCHRONIZATION METHOD - In a video projection system, an operating device ( | 02-24-2011 |
20110038172 | LIGHTING APPARATUS - A lighting apparatus may include an electrically conductive housing, in whose interior at least one light source and at least one electromagnetic radiation-emitting circuit component configured to operate the at least one light source are arranged; and an electrically conductive cover configured to cover the at least one circuit component; wherein the cover and the housing are electrically connected to one another. | 02-17-2011 |
20110037393 | METHOD AND CIRCUIT ARRANGEMENT FOR OPERATING AT LEAST ONE DISCHARGE LAMP - A method for operating a lamp, wherein in the preheating phase a first value of the voltage drop correlated with the reciprocal of the electrical resistance of a coil of the lamp is determined across a resistor at a first instant, and a second value of the voltage drop is determined at a second instant, may include: a) determining the difference between a first and the second value; b) b1) if the difference is greater than a first threshold value: carrying out an algorithm for lamp-type recognition; b2) if the difference is not greater than the first threshold value: c1) if the difference is greater than a second threshold value: d1) if the second value is greater than a third threshold value: determining a coil short circuit; d2) if the second value is not greater than the third threshold value: operating the lamp with the current set of operating parameters. | 02-17-2011 |
20110032711 | HIGH EFFICIENCY PROJECTION SYSTEM - A lamp may include a lamp bulb made from glass for accommodating an anode and a cathode, which has a fill gas wherein the lamp bulb has, at least partially, an antireflective coating. | 02-10-2011 |
20110026231 | HOUSING FOR ELECTRICAL COMPONENTS - A housing for electrical components is provided. The housing may include a mouth portion to cooperate with a circuit board in an assembled condition wherein said circuit board is applied against said mouth portion of the housing. The housing may include at least one spring formation located at said mouth portion to cooperate with said circuit board to elastically urge said circuit board away from said mouth portion, and at least one hook-like formation extending from said mouth portion distally of said housing, said hook-like formation adapted to cooperate with said circuit board to retain said circuit board assembled to said housing against the force exerted by said spring formation. | 02-03-2011 |
20110019433 | LED LIGHTING DEVICE - A light-emitting diode lighting device may include a plurality of light-emitting diodes fastened on a flexible substrate, the flexible substrate being applied on a surface of a rod-shaped carrier. | 01-27-2011 |
20110018461 | METHOD FOR PRODUCING A HIGH-PRESSURE DISCHARGE LAMP, METHOD FOR PRODUCING LIGHT USING A HIGH-PRESSURE DISCHARGE LAMP AND DIGITAL VIDEO PROJECTOR - A method for providing a high-pressure discharge lamp may include establishing a setpoint power of the high-pressure discharge lamp, establishing an upper limit I | 01-27-2011 |
20110018420 | METHOD FOR CONFIGURING A LENGTH OF AN ELECTRODE OF A DISCHARGE LAMP AND DISCHARGE LAMP - A method for designing a length of an electrode of a discharge lamp may include introducing fill materials into a discharge space of a lamp bulb of the discharge lamp; combining at least a first fill material with evaporated electrode material during operation of the discharge lamp; and forming a storage material for the electrode material in the lamp bulb by the combination, the electrode material contained in the storage material being released again as a function of a temperature effect on the storage material and being transported to the tip of the electrode and being deposited there so as to lengthen the electrode. | 01-27-2011 |
20110007498 | ILLUMINATION DEVICE WITH A SOLAR CELL - An illumination device may include a multilayer system having at least two functional layers, a supporting functional layer having a sheet-like substrate on which a photovoltaic functional layer with at least one solar cell is applied; at least one energy storage device for storing energy generated by the at least one solar cell; at least one light source that can be operated by means of the energy stored in the energy storage device; and at least one brightness sensor. The illumination device may be configured to activate or deactivate the at least one light source on the basis of a measured value sensed by the at least one brightness sensor. | 01-13-2011 |
20110006700 | CHARGE PUMP ELECTRONIC BALLAST FOR USE WITH LOW INPUT VOLTAGE - A charge pump electronic ballast for use with low input voltage is described. The charge pump electronic ballast includes a DC/AC inverter circuit having two switching transistors, a resonant circuit having an inductor and a capacitor. The charge pump electronic ballast further includes a voltage multiplying rectifying circuit for transforming low input AC voltage into high output DC voltage, and a charge pump circuit having an inductor and a first pump capacitor. | 01-13-2011 |
20110006696 | MULTIFUNCTIONAL OUTPUT STAGE FOR DRIVING DIMMED LIGHT SOURCES AND RELATED METHOD - A drive arrangement for light sources may include: a connection line to feed a light source, a switch element coupled to said line to apply on/off signals to said line, and a controller to control operation of said switch, said controller being sensitive to at least one of a dimming signal representative of a desired dimming level for said light source and an information-carrying digital signal, wherein said controller is configured to control operation of said switch to: a) PWM modulate an on/off signal applied to said line as a function of said dimming signal, whereby the average current conveyed towards said light source and determined by said PWM modulated on/off signal controls the brightness of said light source, b) transmit said information-carrying digital signal as an on/off information signal applied to said line, whereby the information carried by said information-carrying digital signal is transmitted over said line. | 01-13-2011 |
20110006677 | ARC TUBE WITH END STRUCTURE - An arc tube of ceramic material has an aluminum nitride (AlN) end structure ( | 01-13-2011 |
20110002070 | Method of Protection From Over-Temperature and Corresponding Arrangement - A method of protecting from over-temperature a device associated with an electronic converter including a feedback path for regulating the output signal of said electronic converter may include providing a thermal sensitive component sensitive to the temperature of said device, and including said thermal sensitive component in said feedback path of said electronic converter, whereby said output signal of said electronic converter is reduced as a function of the temperature of said device as sensed by said thermal sensitive component. | 01-06-2011 |
20110001941 | LAMP HOUSING UNIT - A lamp housing unit for holding a lamp in an interior of a lamp housing of the lamp housing unit is provided. The lamp housing unit may include the lamp housing; and at least one sheet metal strip being fastened on the lamp housing or on an element fastened on the lamp housing, wherein the at least one sheet metal strip extends into the interior so that it can be connected to a lamp as current lead. | 01-06-2011 |
20110001439 | DRIVER ARRANGEMENT FOR LIGHT EMITTING DIODES - A driver arrangement for LEDs may include a PWM controller to deliver a feed voltage between an output line and a ground output line, said controller having a pin, a current regulator to regulate the feed current, a switch to connect said pin to a scaled-down version of the voltage on the first output line, and a control line to receive a signal to produce dimming, said control line coupled to said regulator and said switch to couple said regulator to a reference voltage and control switching, whereby: in one of the levels of a PWM control signal, said regulator interrupts said feed current, the voltage on said ground output line is floating, and in the other levels, said regulator is coupled to said reference voltage, said switch disconnects said pin from said voltage on the output line and the voltage on said ground output line is regulated. | 01-06-2011 |
20100328007 | INDUCTOR AND METHOD FOR PRODUCTION OF AN INDUCTOR CORE UNIT FOR AN INDUCTOR - An inductor may include an electrical conductor for generating a magnetic field; and at least one inductor core unit which is arranged in the region of the conductor and includes an inductor core composed of a magnetizable material and also at least one air gap, a filling material being introduced at least into part of the air gap for the purpose of mechanical stabilization, wherein the filling material is configured in such a way that it has a coefficient of thermal expansion, the value of which lies in a range of ±70% of the value of the coefficient of thermal expansion of the magnetizable material of which the inductor core is composed. | 12-30-2010 |
20100315002 | HALOGEN INCANDESCENT LAMP COMPRISING AN INFRARED REFLECTIVE COATING - A halogen incandescent lamp is provided with a rotationally symmetrical bulb, which has a longitudinal axis and in which at least part of a surface of the bulb is provided with a coating which reflects infrared radiation, a coiled light-emitting element being arranged axially in the bulb, the bulb being provided with an infrared reflective coating layer, wherein the length L and the diameter D of the coiled light-emitting element are at a ratio of at least 6:1 with respect to one another, and wherein the bulb is in the form of an ellipsoid, the ends of the light-emitting element lying substantially at the two foci of the ellipse spanning the ellipsoid in the form of a solid of revolution, with an eccentricity in the range of from 0.5 to 0.7. | 12-16-2010 |
20100309188 | Driver for a projection system - A driver for a plurality of semiconductor light sources is provided. The driver may include a plurality of means configured to provide current for in each case at least one semiconductor light source, wherein the driver includes a unit, composed of a power factor corrector and at least one DC/DC converter or is coupled to such a unit, an output of the DC-DC converter being directly connected to the means configured to provide current. | 12-09-2010 |
20100308746 | ELECTRONIC OPERATING DEVICE FOR OPERATING AT LEAST ONE DISCHARGE LAMP - An electronic operating device for operating at least one discharge lamp may include an output network having at least one input connection and at least one output connection, wherein the at least one input connection of the output network is coupled to one of a plurality of voltage rails, and wherein the at least one output connection of the output network is coupled to one of a plurality of poles of a supply voltage. | 12-09-2010 |
20100308741 | ELECTRONIC BALLAST FOR A DISCHARGE LAMP - An electronic ballast arrangement for a discharge lamp is provided. the electronic ballast arrangement may include an electronic ballast for a discharge lamp with a control application specific integrated circuit, the control application specific integrated circuit having a control input, which is characterized by the fact that the potential present across it sets the operating frequency of the control ASIC when driving the discharge lamp; and a switch; wherein the electronic ballast is connected to the switch, with different switching positions of the switch determining different potentials which are present at the control input, in order to thus set the operating frequency of the control application specific integrated circuit via the switch. | 12-09-2010 |
20100308740 | ELECTRONIC BALLAST AND METHOD FOR OPERATING AT LEAST ONE DISCHARGE LAMP - An electronic ballast for operating at least one discharge lamp may include an input for coupling to an input voltage; a load circuit with an output, the load circuit having a bridge circuit; an intermediate circuit capacitor that is coupled to the input of the load circuit; a transformer that is coupled between the input of the ballast and the capacitor, the transformer having a transformer switch; a control apparatus for driving the switch; and a monitoring apparatus for monitoring at least one value correlated with the input voltage, the control apparatus being designed to deactivate the driving of the switch upon detection of a deactivation criterion; and a voltage measuring apparatus for measuring the intermediate circuit voltage, the control apparatus being designed to reactivate the driving of the switch after a deactivation phase when the sum of input and intermediate circuit voltage has dropped below a prescribable threshold value. | 12-09-2010 |
20100308734 | CIRCUIT ARRANGEMENT AND METHOD FOR OPERATING A LOW-PRESSURE DISCHARGE LAMP - A circuit arrangement for operating a low-pressure discharge lamp may include a voltage source with two terminals; switches; and a series resonant circuit; a controller configured to control the switches such that an AC voltage is applied to the resonant circuit; a PTC thermistor coupled on one side to a circuit point of the resonant circuit and on the other side, at least one of via a diode, to the first terminal of the voltage source and, via a diode to the second terminal of the voltage source; a resistive element connected in series with a diode in the circuit between a terminal of the voltage source and the PTC thermistor; and an evaluation device configured to tap off the voltage drop across the resistive element and being coupled to the controller in order to deactivate the controller. | 12-09-2010 |
20100308724 | METHOD FOR THE PRODUCTION OF A SEALING REGION AND DISCHARGE LAMP PRODUCED BY SAID METHOD - The invention relates to a method for the production of a sealing region of a discharge lamp, wherein the sealing region comprises a first ( | 12-09-2010 |
20100308723 | ELECTRODE FOR A HIGH-PRESSURE DISCHARGE LAMP, AND METHOD FOR THE PRODUCTION THEREOF - An electrode for a high-pressure discharge lamp, cut out in one piece from a rod or pin is provided. The electrode may include an electrode head as first segment; and a shaft as second segment, wherein the electrode has an asymmetrical shape which has been produced by means of a sublimation laser. | 12-09-2010 |
20100308722 | Melting film, method for the production thereof, and lamp having such a film - A method for producing a seal-in foil for the gas-tight electrical feed in a lamp is provided. The seal-in foil may be separated from a foil perform. The method may include forming a weakened zone and separating the seal-in foil along the weakened zone. | 12-09-2010 |
20100308706 | HIGH-PRESSURE DISCHARGE LAMP - A high-pressure discharge lamp may include an elongate ceramic discharge vessel with a central part and two ends and an axis, the ends being closed by seals, electrodes which extend into the discharge volume enclosed by the discharge vessel being anchored in the seals, and a fill which contains metal halides being accommodated in the discharge vessel, wherein a ring structure, which is separated from the seal and extends around the seal, is placed on at least one end. | 12-09-2010 |
20100301982 | HIGH FREQUENCY TRANSFORMER AND MULTI-OUTPUT CONSTANT CURRENT SOURCE WITH HIGH FREQUENCY TRANSFORMER - In various embodiments, a high frequency transformer is provided. The high frequency transformer may include a magnetic core; a primary winding; and a plurality of secondary windings; wherein the plurality of secondary windings and the primary winding are arranged separately, and each secondary winding constitutes a parasite current transformer with the primary winding. | 12-02-2010 |
20100301745 | HIGH PRESSURE DISCHARGE LAMP - A high-pressure discharge lamp may include a ceramic discharge vessel and a longitudinal axis, with electrodes respectively being led out from the discharge vessel by means of a feed-through via capillaries, wherein a tubular cermet part, which consists of individual layers of different composition layered axially in succession, is fitted on the capillary, each layer containing Mo and Al | 12-02-2010 |
20100301378 | ILLUMINATION DEVICE AND METHOD FOR THE PRODUCTION THEREOF - A method for producing an illumination device is provided. The method may include providing a carrier, on which illumination means are applied, with filler material; applying an upper exterior layer on the filler material; reducing the arrangement formed by the carrier, filler material and upper exterior layer to a predetermined thickness; wherein the carrier is a flex-board, which is equipped with the illumination means. | 12-02-2010 |
20100301353 | LED LIGHTING DEVICE HAVING A CONVERSION REFLECTOR - An LED lighting device is provided which may include at least one light-emitting diode and at least one conversion reflector, wherein the conversion reflector is configured to emit at least a portion of light emitted from the light-emitting diode at a converted wavelength, and wherein the conversion reflector covers the at least one light-emitting diode. | 12-02-2010 |
20100296295 | AC VOLTAGE REFLECTOR LAMP - A lamp with an AC lamp burner may include two electrodes spaced apart from one another, a device configured to apply a voltage with alternating polarity to the electrodes; and a reflector, which has a first partial section, which is in the form of a partial body of a first ellipsoid, which has a first and a second focus, or is in the form of a partial body of a first paraboloid, which has a first focus, the reflector having a second partial section, which is in the form of a partial body of a second ellipsoid, which likewise has a first and a second focus or is in the form of a partial body of a second paraboloid, which has a first focus, the first foci of the two ellipsoids or paraboloids being located at different points. | 11-25-2010 |
20100296281 | LED LAMP WITH DIFFUSER - A lamp is provided. The lamp may include one or a plurality of LED elements; and a housing with electrical and mechanical connection means, wherein the housing has a light exit region with a light-transmissive terminating element, wherein the terminating element is an optical diffuser element, wherein the terminating element is of a form in which the wall of the terminating element has in cross section two opposite, straight sections running towards one another. | 11-25-2010 |
20100295467 | CIRCUIT ARRANGEMENT AND METHOD FOR REGULATING THE CURRENT THROUGH AT LEAST ONE DISCHARGE LAMP - A circuit arrangement for the closed-loop control of the current through at least one discharge lamp may include a control loop including: a setpoint value input for supplying a setpoint value; an actual value input for supplying an actual value; and an output for providing a signal, which has been correlated with the current through the at least one discharge lamp, the actual value having been correlated with the value of the current through the discharge lamp; and a setpoint value input apparatus, which is designed to provide the setpoint value to the control loop; wherein the setpoint value input apparatus includes: a microprocessor with at least one input, the microprocessor being designed to couple the at least one input to a potential from a group of at least two different potentials; and a wiring apparatus with at least one input, which is coupled to the at least one input of the microprocessor, and at least one output, which is coupled to at least one point of the control loop. | 11-25-2010 |
20100295462 | ELECTRONIC BALLAST AND METHOD FOR CONTROLLING AT LEAST ONE LIGHT SOURCE - An electronic ballast for driving at least one light source may include an input for connecting a supply voltage; an output configured to connect the at least one light source; an oscillator, which is designed to provide an oscillator output signal with a first frequency at its output, the oscillator having a calibration input in order to alter the first frequency; and a microcontroller configured to provide a drive signal with at least one spectral component at a second frequency for the at least one light source, the microcontroller being coupled to the oscillator output and being designed to generate the second frequency as a function of the first frequency; wherein the electronic ballast furthermore includes a drive circuit, which is coupled to the calibration input, the drive circuit being designed to vary the first frequency during running operation of the electronic ballast via the calibration input. | 11-25-2010 |
20100295459 | CIRCUIT ARRANGEMENT FOR OPERATING A SERIES CIRCUIT OF AT LEAST TWO LOW-PRESSURE GAS-DISCHARGE LAMPS, AND A CORRESPONDING METHOD - In various embodiments, a circuit arrangement for operating a series circuit of a first and a second low-pressure gas-discharge lamp is provided, which may include an input with a first and a second input connection for application of a supply voltage; an output with a first arrangement, which has a first and a second connection pair for connection of the first lamp, and a second arrangement, which has a first and a second connection pair for connection of the second lamp, wherein a first connection of the second pair of the first arrangement is coupled to a first connection of the first pair of the second arrangement; a resonant circuit; and a capacitive voltage divider, which has a first capacitor, which is coupled in parallel with the first arrangement, and a second capacitor, which is coupled in parallel with the second arrangement. | 11-25-2010 |
20100289419 | CIRCUIT ARRANGEMENT FOR OPERATING A LOW-PRESSURE GAS DISCHARGE LAMP AND CORRESPONDING METHOD - A circuit arrangement is provided, which may include an input; an output; an inverter, configured to provide an AC supply voltage from a DC supply voltage; a control device configured to drive the inverter, the control device being configured to initiate a preheating phase once a preheating criterion has been met; a resonant circuit having a resonant inductor and having a resonant capacitor; and a transformer configured to preheat electrodes of a gas discharge lamp; wherein the primary winding of the transformer is connected in series with the resonant capacitor and is connected directly to the reference potential of the control device, and an electrical switch is coupled in parallel with the primary winding of the transformer, which switch has a control connection, which is coupled to the control device being configured to transfer the electrical switch into its electrically conducting switching state once the starting criterion has been met. | 11-18-2010 |
20100283413 | METHOD AND DEVICE FOR PROJECTING AT LEAST ONE LIGHT BEAM - A method for projecting at least one light beam may include lengthening at least in part a holding duration for at least one pixel with respect to at least one further pixel. | 11-11-2010 |
20100277941 | LED HEADLIGHT - An LED headlight may include at least one heat-conducting element that extends from at least one heat source located in a headlight housing to at least one cooling element in such a way as to make thermal contact and which is arranged at least partially outside on the headlight housing, the heat-conducting element being movable. | 11-04-2010 |
20100277178 | METHOD FOR ASCERTAINING A TYPE OF A GAS DISCHARGE LAMP AND ELECTRONIC BALLAST FOR OPERATING AT LEAST TWO DIFFERENT TYPES OF GAS DISCHARGE LAMPS - Various embodiments provide a method for ascertaining a type of a gas discharge lamp using an electronic ballast for operating different types of gas discharge lamps, wherein the different types of gas discharge lamps differ in at least one operating parameter, wherein the method may include: a) preheating at least one filament in the gas discharge lamp for a predetermined preheating time; b) measuring a physical variable which is characteristic for the type of the gas discharge lamp at the end of the preheating time and providing the measurement value of said variable; and c) ascertaining the lamp type on the basis of the measurement value which is provided, wherein the preheating time is increased by a predetermined time period and the b) and c) are repeated if the lamp type in c) cannot be ascertained uniquely. Moreover, various embodiments provide an electronic ballast for operating at least two different types of gas discharge lamps which have at least one different operating parameter. | 11-04-2010 |
20100277093 | CIRCUIT ARRANGEMENT AND METHOD FOR OPERATING DISCHARGE LAMPS - A circuit arrangement for operating discharge lamps is provided with an input, to which an AC system voltage from a power supply system can be connected, an output, to which at least one discharge lamp can be connected, a backup capacitance, which is arranged between the input and the output, and a switch, which is in a charging current path of the backup capacitance. The circuit arrangement may include a driver configured to clock the switch for a predetermined period of time when the circuit arrangement is switched on for periodically interrupting the charging current path of the backup capacitance. | 11-04-2010 |
20100277092 | LOW-DROPOUT (LDO) CURRENT REGULATOR - Various embodiments provide a driver device, which may include a transistor for providing a regulated current, said transistor having a control electrode; and a stabilization circuit acting on said control electrode of said transistor to produce a stabilized reference value for said current; a bipolar transistor coupled to said control electrode of said transistor in a feedback relationship, whereby, with said bipolar transistor conducting, increase and decrease of said current induce decrease and increase of the collector current in said bipolar transistor, respectively; and interposed between the base and the emitter of said bipolar transistor, a cascade arrangement of a diode and a resistance sensitive to said current so that said stabilized reference value for said current is determined by the value of said resistance as a function of the difference between the base-emitter voltage of said bipolar transistor and the voltage across the anode and cathode of said diode. | 11-04-2010 |
20100277091 | TEMPERATURE-STABILIZED CURRENT REGULATION DRIVER - A driver device may include a driver transistor providing a regulated current; and a stabilization circuit to produce a stabilized reference voltage to be applied to said driver transistor. The stabilization circuit may include: first and second bipolar stabilization transistors; a voltage divider including a first resistance and a second resistance, said voltage divider being interposed between the bases of said first and said second transistors, with the first resistor connected between the base of said second transistor and said partition point of said voltage divider and the partition point acting on the base of the first transistor; and a polarization network to determine the base-emitter voltages of said first and said second stabilization transistors, wherein: said first resistance has a value lower than the value of said second resistance, and the base-emitter voltage of said first transistor is higher than the base-emitter voltage of said second transistor. | 11-04-2010 |
20100276714 | CONVERSION LED - A conversion LED is provided. The conversion LED may include a primary light source which emits in the short-wave radiation range below 420 nm, and a luminophore placed in front of it consisting of the BAM system as a host lattice for at least partial conversion of the light source's radiation into longer-wave radiation, wherein the BAM luminophore is applied as a thin layer having a thickness of at most 50 μm directly on the surface of the light source, the BAM luminophore having the general stoichiometry (M1−r Mgr)O*k(Al2O3), where r=0.4 to 0.6 and M=EAeEu1−e, with EA=Ba, Sr, Ca, and e=0.52 to 0.8, and k=1.5 to 4.5. | 11-04-2010 |
20100270944 | DEVICE AND METHOD FOR CONTROLLING ELECTRIC CONSUMERS - An apparatus for controlling at least one electrical load may include at least one pushbutton; a communications interface for communicating with the loads, the loads being switched on and off by the at least one pushbutton via the communications interface; and a first controlled switch with control logic, said switch being connected between the loads and a power supply, and the first controlled switch isolates the power supply from the loads as soon as all of the loads have been disconnected via the communications interface. | 10-28-2010 |
20100270934 | CIRCUIT ASSEMBLY AND METHOD FOR OPERATING A HIGH PRESSURE DISCHARGE LAMP - A circuit arrangement for operating a high-pressure discharge lamp with an operating circuit for the high-pressure discharge lamp with an input for receiving a switch-on/switch-off signal for the high-pressure discharge lamp and at least one output for providing an operating signal to the high-pressure discharge lamp, wherein the operating circuit is designed to reduce the power of the operating signal provided at the at least one output once a switch-off signal has been received at its input, wherein the operating circuit furthermore designed to provide the operating signal as an AC signal above a predeterminable power threshold value and as a quasi DC signal below the predeterminable power threshold value. | 10-28-2010 |
20100270909 | LUMINOPHORE AND ILLUMINATION SYSTEM HAVING SUCH A LUMINOPHORE - A luminophore consisting of the BAM system as a host lattice, having the stoichiometry M | 10-28-2010 |
20100261400 | METHOD FOR CONNECTING A DISCHARGE VESSEL OF A DISCHARGE LAMP TO A TUBE SECTION, ESPECIALLY A PUMP TUBE - A method for connection of a discharge vessel of a discharge lamp to a tubular piece is provided, wherein the discharge vessel is heated at the connection point which is provided with the tubular piece, and the material of the discharge vessel which has been softened at the connection point is torn open such that it rests on the inner face of the tubular piece, and a continuous hole is produced in the discharge vessel. | 10-14-2010 |
20100259935 | HEAT SINK AND LIGHTING DEVICE COMPRISING A HEAT SINK - A heat sink is provided. The heat sink may include an open cavity formed by a cavity wall, a cavity bottom wall thereof including a light source region adapted to have a light source mounted thereon and a lateral cavity wall thereof including a reflection region adapted to reflect light emitted from the light source; a heat spreading and dissipation structure covering at least part of an exterior of the heat sink including a bottom region and a lateral region, the heat spreading and dissipation structure including a plurality of vertically aligned fins; an air guidance structure adapted to separate the heat sink from an air flow generator; and at least one mounting column for attaching the heat sink to a lighting device. | 10-14-2010 |
20100259198 | METHOD AND ARRANGEMENT FOR SETTING A COLOR LOCUS, AND LUMINOUS SYSTEM - A method for setting a color locus of at least one luminous source is provided. The method may include determining a temperature, and setting the color locus of the at least one luminous source depending on the temperature determined. | 10-14-2010 |
20100259175 | METHOD AND ARRANGEMENT FOR ADJUSTING A COLOR LOCATION, AND ILLUMINATION SYSTEM - A method for setting a color location is provided. The method may include providing n luminous sources of which n-3 luminous sources have been, or are preset; determining a color location difference of the n luminous sources from a desired color location; and setting the 3 luminous sources not preset are set such that the desired color location is achieved. | 10-14-2010 |
20100259103 | SWITCHABLE CURRENT SUPPLY FOR AUXILIARY CURRENT CIRCUITS IN A CURRENT CONVERTER - A circuit arrangement with a switchable voltage supply for a control apparatus may include a DC voltage supply terminal; and an AC voltage supply terminal; a control apparatus including at least one input, an output and at least one supply terminal; three electronic switches, each having a control electrode, a reference electrode and a working electrode, wherein the reference electrode of the first electronic switch and of the second electronic switch is coupled to the first node; wherein the working electrode of the first electronic switch is coupled to the supply terminal of the control apparatus; wherein the control electrode of the first electronic switch is coupled to a reference potential, wherein at least one further load is coupled to the working electrode of the second electronic switch. | 10-14-2010 |
20100258819 | SUBSTRATE FOR AN LED SUBMOUNT, AND LED SUBMOUNT - A substrate for an LED submount may include a plurality of placement locations on its substrate top side and a plurality of pairs each composed of an electrical anode connection and an electrical cathode connection, wherein the anode connections are arranged on a first side section of the substrate top side and the cathode connections are arranged on a second side section of the substrate top side, having at least one connection dividing conductor track leading from one placement location past at least two other placement locations to an electrical connection, wherein the connection dividing conductor track leads past the at least two other placement locations on the inside. | 10-14-2010 |
20100254167 | CONVERTER DEVICE AND CORRESPONDING METHOD - A converter circuit to produce a dc output signal from a stabilized input voltage may include a flyback inductor and a drive arrangement to drive said flyback inductor. A control unit is provided sensitive to the demagnetisation of said flyback inductor, said control unit configured to act on a first, a second and a third switch to effect in a cyclical manner the sequence including: a) producing a ramp-like increase of a magnetising current in said flyback inductor following activation of said first switch and said second switch; b) de-activating said first and second switch when the magnetising current in said flyback inductor reaches a predetermined peak value, c) activating said third switch thus producing energy transfer in said flyback inductor, and d) activating said first switch and de-activating said third switch when the voltage on said first electronic switch has reached zero. | 10-07-2010 |
20100254163 | RESONANT POWER CONVERTER WITH CURRENT DOUBLER RECTIFIER AND RELATED METHOD - A power converter is provided, which may include_a transformer having primary and secondary windings; a primary side switching bridge arrangement including at least two switches switcheable at a switching frequency to drive the primary winding of said transformer, said primary side switching bridge arrangement including at least one decoupling capacitor; and a secondary side rectifying and filtering stage coupled to the secondary winding of said transformer, wherein said secondary side rectifying and filtering stage includes a current doubler with at least one inductor, wherein said at least one decoupling capacitor and said at least one inductor in said current doubler comprise a resonant tank circuit having a resonant frequency range encompassing said switching frequency, whereby said converter exhibits a gain defined by the position of said switching frequency within said resonant frequency range. | 10-07-2010 |
20100253237 | OPTIMIZED APPLICATOR STRUCTURES FOR HOMOGENEOUS DISTRIBUTION OF ELECTRO-MAGNETIC FIELDS IN GAS DISCHARGE LAMPS - Various embodiments provide an electrodeless high intensity discharge lamp (EHID), including: a bulb containing a fill mixture for generating a light emission when excited by microwave energy; and at least two applicator arms for coupling the microwave energy to the fill mixture, the at least two applicator arms being separated by at least one delay line, the at least one delay line introducing a delay of λ/4, wherein λ is the wavelength of the microwave energy, wherein each of the at least two applicator aims are coupled to each other via an open loop structure. | 10-07-2010 |
20100253206 | ELECTRODE ROD HOLDER IN A HIGH-PRESSURE DISCHARGE LAMP - The invention relates to an improved electrode rod ( | 10-07-2010 |
20100253205 | ELECTRIC LAMP HAVING AN OUTER BULB, A STEM AND AN INTEGRATED LAMP - An electric lamp is provided with a base at one end, having an outer bulb supported in a base, and at least one integral lamp, held inside the outer bulb by means of a mounting clip, the mounting clip being fixed on a stem, and the stem having a lower region and an upper region, and the cross-sectional area of the upper region being smaller than the cross-sectional area of the lower region, wherein the mounting clip is fixed on the upper region of the stem. | 10-07-2010 |
20100244722 | COMPACT DELAY LINE STRUCTURES FOR FIELD APPLICATORS FOR OPERATION OF ELECTRODELESS GAS DISCHARGE LAMPS - In various embodiments, an electrodeless high intensity discharge lamp is provided, which may include a bulb containing a fill mixture for generating a light emission when excited by microwave energy; and at least two applicator arms for coupling the microwave energy to the fill mixture, the at least two applicator arms being separated by at least one delay line, the at least one delay line comprising a stripline structure. | 09-30-2010 |
20100244647 | High-Pressure Discharge Lamp - A high-pressure discharge lamp may include a ceramic elongated discharge vessel with a central part and two ends and an axis, the ends being sealed by means of seals, electrodes, which extend into the discharge volume enveloped by the discharge vessel, being anchored in the seals at leadthroughs, and the leadthroughs being sealed in the seal by means of glass solder, and a fill being accommodated in the discharge volume, wherein a cover rests on at least one end of a seal, which has a hollow-cylindrical body which is matched to the diameter of the seal, the cover covering at least exposed glass solder. | 09-30-2010 |
20100242519 | HEAT SINK AND LIGHTING DEVICE COMPRISING A HEAT SINK - A heat sink may include a light source region for mounting a light source; a heat spreading and dissipation structure covering at least part of an exterior of the heat sink; wherein the structure comprises vertically aligned fins; wherein the structure comprises an air flow channel leading from a bottom region to a lateral region, the air flow channel being created by a gap between adjacent fins; wherein the light source region comprises an open cavity formed by a cavity wall comprising a light source mounting region adapted to receive the light source; wherein the fins are integrally connected to the exterior of the cavity wall; wherein the heat sink comprises a solid heat sink base extending from the light source mounting region to the exterior and protruding from the cavity wall; and wherein the structure is in thermal connection with the heat sink base. | 09-30-2010 |
20100237791 | ELECTRONIC BALLAST AND METHOD FOR OPERATING AT LEAST ONE FIRST AND SECOND DISCHARGE LAMP - An electronic ballast for operating at least two discharge lamps is provided, which may include a starting detection apparatus for detecting whether one of the discharge lamps has been started; wherein a drive circuit includes an input, which is coupled to a starting detection apparatus, wherein a threshold value entry apparatus is designed to enter a second threshold value for a setpoint value of a total current through at least two inductances, wherein the second threshold value has a smaller magnitude than a first threshold value; and wherein the drive circuit is designed to drive a first electronic switch and a second electronic switch taking into consideration the first threshold value as setpoint value prior to detection of the starting of a discharge lamp by the starting detection apparatus, and taking into consideration the second threshold value as setpoint value. | 09-23-2010 |
20100231127 | ELECTRODELESS HIGH PRESSURE DISCHARGE LAMP - An electrodeless high pressure discharge lamp is described. The lamp includes a resonating body configured to provide microwave energy and a discharge vessel, the discharge vessel containing a fill that forms a lightemitting plasma when receiving the microwave energy. The lamp further includes an outer bulb surrounding the discharge vessel. The lamp further includes a support structure within the outer bulb, the support structure comprising a plurality of wires forming a cage, wherein each end of each of the plurality of wires are directed to either end of the discharge vessel. The lamp further includes a first wire structure configured to hold the discharge vessel in place within the cage and surrounding each end of the discharge vessel. | 09-16-2010 |
20100221930 | PLUG DEVICE, PLUG CONNECTOR, AND METHOD FOR PRODUCING THE PLUG CONNECTOR - A plug device may include a printed circuit board; and a plug connector, which is soldered flat onto the printed circuit board. | 09-02-2010 |
20100219774 | METHOD FOR DIMMING LIGHT SOURCES, RELATED DEVICE AND COMPUTER PROGRAM PRODUCT - A method of compensating the degradation of the luminous intensity due to aging in a light source by controlling a power supply signal of said light source. The method may include: detecting the temperature of said light source; determining a parameter representative of the aging of said light source as a function of said temperature; and varying said power supply signal as a function of said parameter representative of the aging of the light source. | 09-02-2010 |
20100219763 | DEVICE AND METHOD FOR DIMMING LIGHT SOURCES - In various embodiments, a device for dimming a light source is provided. The device may include a two-wire power supply line having interposed therein a switch for controlling transfer of said power supply towards said light source; a capacitance located downstream of said switch being traversed by a charge current as said switch is switched on; and a pre-charge stage interposed between said switch and said capacitance; said pre-charge stage being configured to limit to a given value said charge current. | 09-02-2010 |
20100218372 | METHOD OF SOLDERING COMPONENTS ON CIRCUIT BOARDS AND CORRESPONDING CIRCUIT BOARD - A method of mounting on a circuit board a component having at least one pin extending therefrom for insertion into a respective hole provided in said circuit board, wherein said component has a coating extending over the proximal end of said at least one pin, said extension of the coating having a circular cross-section is provided. The method may include forming said respective hole as a non noncircular hole. | 09-02-2010 |
20100213867 | HIGH-PRESSURE DISCHARGE LAMP - A high-pressure discharge lamp may include a discharge vessel, which contains: electrodes, at least one noble gas as a start gas, at least one element selected from the group consisting of Al, In, Mg, Tl, Hg, and Zn for arc transfer and discharge vessel wall heating, and at least one rare earth halide for the generation of radiation, which is configured such that the generated light is dominated by molecular radiation, wherein at least one member of a first group of rare earth halides is used together with at least one member of a second group of rare earth halides, the first group having the property that the color distance decreases with a power increase when the power of the lamp is increased in a predetermined power interval, and the second group having the property that the color distance increases with a power increase when the power of the lamp is increased in this predetermined power interval. | 08-26-2010 |
20100213860 | HIGH-PRESSURE LAMP AND ASSOCIATED OPERATING METHOD FOR RESONANT OPERATION OF HIGH-PRESSURE LAMPS IN THE LONGITUDINAL MODE AND ASSOCIATED SYSTEM - A high-pressure discharge lamp may include an elongated ceramic discharge vessel, wherein an electrode projects into the discharge vessel in each end area, wherein the electrode is attached to a bushing arranged in a capillary tube, wherein the internal diameter is reduced to at most 85% of the internal diameter of the elongated ceramic discharge vessel in the end area, such that an end surface remains at the end of the vessel, which has an internal diameter of at least 15% of the internal diameter, wherein a gap of most 20 μm remains between the bushing and the inner wall of the capillary, wherein the ratio between the areas which are formed by the internal diameter of the capillary and the diameter of the end surface is in the range from 0.06 to 0.12. | 08-26-2010 |
20100213848 | DETECT METHOD FOR STEP DIMMING SELECTION - A detect method is provided for performing step dimming selection in an electronic ballast including an End of Lamp Life detect circuit and a half-bridge inverter, the End of Lamp Life detect circuit being connected to an input terminal of the control circuit, wherein each time when the power switch is turned on, it is judged whether the electronic ballast should enter the dimming mode or not by detecting the voltage at the input terminal of the control circuit before the half-bridge inverter starts operating. | 08-26-2010 |
20100213843 | HIGH-PRESSURE DISCHARGE LAMP HAVING AN IMPROVED IGNITION DEVICE, AND IGNITION DEVICE FOR A GAS DISCHARGE LAMP - A high-pressure discharge lamp is provided. The high-pressure discharge lamp may include a discharge vessel; and an ignition device which comprises at least one spiral pulse generator that is configured to generate high-voltage pulses, the ignition device being integrated in the high-pressure discharge lamp; wherein the ignition device comprises a charging resistor which is formed entirely or partially by a PTC thermistor. | 08-26-2010 |
20100213809 | HEADLAMP AND ITS USE - A headlamp is provided having a cap and a light output which is predetermined by international standardization with respect to the distance and position with respect to a reference plane of the cap, wherein the light output is provided by one or more semiconductor light sources. | 08-26-2010 |
20100213212 | ILLUMINATED BOTTLE CLOSURE AND ILLUMINATED DISPENSER AND METHOD FOR ILLUMINATING A DISPENSER - An illuminated bottle closure with a dispenser function for a hollow body is provided. The illuminated bottle closure may include at least one light source, wherein the at least one light source is configured to be switched on for a predetermined time when the dispenser is actuated and illuminates at least one of the liquid dispensed and the liquid contained in the dispenser. | 08-26-2010 |
20100207539 | CIRCUIT FOR CONTROLLING AN OPERATING DEVICE FOR A LIGHT APPLICATION, OPERATING DEVICE AND METHOD FOR OPERATION OF THE CIRCUIT - A circuit for controlling an operating device for a light application is provided. The circuit may include a galvanically isolated transmitter configured to receive an applied control signal; and a power section configured to be activated by the galvanically isolated transmitter as a function of the control signal. | 08-19-2010 |
20100207500 | LAMP - A lamp may include at least one housing; a heat source connected thereto; and a base for connection to a lampholder, wherein the base has at least one heat dissipation surface, and wherein at least one heat source is thermally conductively connected to at least one heat dissipation surface. | 08-19-2010 |
20100202173 | CIRCUIT ARRANGEMENT COMPRISING A VOLTAGE TRANSFORMER AND ASSOCIATED METHOD - A method for operating a circuit arrangement is provided. The method may include coupling a second connection of a control device to a connection that provides an alternating signal during operation of the circuit arrangement; in the control device: generating a trigger signal for the control electrode of the mode switch that is correlated with the sum signal from the signal at the connection for providing an alternating signal and the control signal; and providing the trigger signal at the output of the control device. | 08-12-2010 |
20100201285 | CIRCUIT ARRANGEMENT FOR CONVERSION OF AN INPUT AC VOLTAGE TO A DC VOLTAGE, RETROFIT LAMP HAVING A CIRCUIT ARRANGEMENT SUCH AS THIS, AS WELL AS A LIGHTING SYSTEM - A circuit arrangement for conversion of an input AC voltage to a DC voltage is provided. The circuit arrangement may include an input into which the input AC voltage is input; an output to which a load can be connected; and a first storage circuit and a second storage circuit, each storage circuit comprising at least one inductance and each comprising at least one capacitance, and a diode network. | 08-12-2010 |
20100201284 | ILLUMINATING DEVICE WITH LIGHT BUFFER - A light-emitting device may include at least one light source, which is configured for at least one of AC and PWM operation; and at least two optical buffers for absorbing light energy from the light source and for temporally delayed emission of the stored luminous energy, wherein the at least two optical buffers have different relaxation times and are sensitive to different wavelengths. | 08-12-2010 |
20100201243 | HIGH-PRESSURE DISCHARGE LAMP - A high-pressure discharge lamp is provided. The high-pressure discharge lamp may include a ceramic discharge vessel, electrodes respectively being guided out of the discharge vessel by means of a leadthrough system via capillaries, wherein at least one leadthrough system is at least of tripartite form, including a first leadthrough part that is at the front with reference to the discharge, is corrosion resistant and is held entirely in the capillary, and a second, middle leadthrough part that is not corrosion resistant and is likewise held entirely in the capillary, there being adjacent thereto a third, rear, corrosion resistant leadthrough part, a soldering glass covering a segment of the first leadthrough part up to a segment of the third leadthrough part such that the soldering glass entirely covers the second, middle leadthrough part, the middle leadthrough part being sunk in the capillary to a depth of at least 0.1 mm. | 08-12-2010 |
20100194792 | ILLUMINATION UNIT AND METHOD FOR DRIVING THE ILLUMINATION UNIT - An illumination unit may include at least one luminous means; a detector, which is configured to be used to detect at least one brightness of an image; at least one controller connected to the at least one luminous means and to the detector, wherein the at least one luminous means can be driven in a manner dependent on the at least one brightness of the image with the aid of the controller; a plurality of luminous means whose brightnesses can be set in each case at least one of individually and in clusters with the aid of the controller; and at least one switch which is configured to be used to short-circuit at least one luminous means. | 08-05-2010 |
20100194284 | CIRCUIT ARRANGEMENT FOR OPERATING A CONVERTER - A circuit arrangement for operating a converter, which comprises a bridge circuit having at least a first bridge switch and a second bridge switch and a first bridge center point and a second bridge center point is provided. The circuit arrangement may include a current differential amplifier, the first input of the current differential amplifier being coupled to a first comparison signal input, the second input of the current differential amplifier being coupled to a second comparison signal input, the output of the current differential amplifier being coupled to a control electrode of a first electronic switch. | 08-05-2010 |
20100194264 | HIGH-PRESSURE DISCHARGE LAMP WITH PARTIAL COATING AND VEHICLE HEADLIGHT COMPRISING SAID LAMP - A high-pressure discharge lamp may include at least one discharge vessel; and two electrodes, which extend into a discharge space of the discharge vessel and between which a light-emitting discharge arc is formed during operation of the high-pressure discharge lamp, wherein a partial coating is applied to a circumferential surface of the lamp in the region of an end section, on the discharge space side, of at least one of the electrodes, said partial coating changing the luminance and color temperature of the emitted light. | 08-05-2010 |
20100188021 | ELECTRONIC BALLAST AND METHOD FOR OPERATING AT LEAST ONE DISCHARGE LAMP - An electronic ballast is provided, including first a second input connections for connecting an alternating supply voltage; an EMC filter; a rectifier; a capacitor for providing the DC operating voltage for the output stage; and a power factor correction device, which comprises a number n of partial devices for power factor correction, as well as a control device for controlling the number n of partial devices, the power to be provided at the output of the power factor correction device being a total power currently to be provided, the power to be provided by the partial device i being a currently to be provided partial power of the partial device i. The control device is configured to control at least first and second partial devices as a function of the currently to be provided total power in such that their currently to be provided partial powers differ from one another. | 07-29-2010 |
20100187994 | HIGH-PRESSURE DISCHARGE LAMP - The invention relates to a high-pressure discharge lamp, having a ceramic discharge vessel comprising a capillary ( | 07-29-2010 |
20100182787 | LATERAL REFLECTOR - Various embodiments provide a lateral reflector, wherein the lateral reflector has a bottom opening, a light source arranged on a base plate can be accommodated in the bottom opening; a reflecting surface is arranged on two opposite sides of the light source in the lateral reflector, and the reflecting surface is configured to reflect a light emitted from the light source and arriving at the reflecting surface, so that the light arriving at the reflecting surface is deflected toward a direction that is parallel to the opposite sides. Various embodiments further provide an array of such lateral reflectors. Further, various embodiments disclose a lamp unit and a lamp containing such lateral reflector, and puts forward a method for producing such lateral reflector. | 07-22-2010 |
20100181922 | LIGHTING DEVICE HAVING A RAIL DEVICE THAT CAN BE FIXED TO A SURFACE OF AN OBJECT - A lighting device may include a transformer; a rail device, configured to be attached to a surface of an object, wherein the rail device has two rails, which are arranged so as to be spaced apart from one another, to which rail device a lamp can be attached and on which the lamp can be supplied with power, the rails being electrically connected to the transformer, at least one first lamp being arranged on the rails and being configured to be supplied with power in the low-voltage range via the transformer and the rails; and at least one second lamp being arranged on a housing of the transformer and being connected to the system voltage. | 07-22-2010 |
20100177512 | LIGHTING DEVICE AND ADAPTER FOR FIXING A LAMP - The invention relates to a lighting device having a rail device ( | 07-15-2010 |
20100176740 | FEEDFORWARD CONTROL OF SEMICONDUCTOR LIGHT SOURCES - A control method for a semiconductor light source may include operating the semiconductor light source with short, powerful pulses by an operating device; storing the characteristic light decrease of the semiconductor light source depending on the power introduced into the semiconductor light source in the operating device; and altering power introduced during the pulse in such a way that the emitted quantity of light of the semiconductor light source substantially remains constant over the pulse duration. | 07-15-2010 |
20100176727 | METHOD FOR THE PRODUCTION OF A CERAMIC SPIRAL PULSE GENERATOR AND CERAMIC SPIRAL PULSE GENERATOR - A method for producing a ceramic spiral pulse generator is provided. The method may include providing a film composite comprising at least one ceramic green film and at least one metal layer; winding the film composite to form a spirally wound winding; laminating the winding; and sintering the laminated winding so as to create a spiral pulse generator. | 07-15-2010 |
20100176726 | HIGH-PRESSURE DISCHARGE LAMP WITH IMPROVED IGNITION QUALITY AND IGNITION DEVICE FOR A GAS DISCHARGE LAMP - A high-pressure discharge lamp may include a discharge vessel; an ignition device which is configured to generate high-voltage pulses in the lamp and contains at least one spiral pulse generator being integrated in the lamp, wherein the charging voltage of the ignition device has the opposite polarity to the open-circuit voltage of an operating apparatus, this charging voltage is likewise provided by the operating apparatus, and the sum of the two voltages is applied to the ignition device. | 07-15-2010 |
20100176722 | HIGH-PRESSURE DISCHARGE LAMP - A high-pressure discharge lamp may include a ceramic discharge vessel that encloses a discharge volume and at whose ends capillaries are fitted, an electrode system being led through in each capillary and sealed there, use being made of at least one electrode system that is based on tungsten and has an electrode head made from tungsten as first segment and a shaft made from tungsten as second segment, as well as a multipartite leadthrough having a pin projecting on the outside at the end of the capillary, wherein the multipartite leadthrough has a central cylindrical leadthrough part made from tungsten as third segment of the electrode system inside the capillary, which adjoins the second segment, as well as a fourth multipartite segment inside the capillary, consisting of a core pin that is made from tungsten, has a diameter of at most 300 μm and is partially surrounded by a tubular sleeve, the pin being connected to the projecting pin, a gap remaining between the sleeve and projecting pin, and the end of the capillary being sealed by means of solder glass up to at least the beginning of the sleeve. | 07-15-2010 |
20100172137 | COMPACT FLUORESCENT LAMP - It is an object to provide a compact fluorescent lamp having a diffusion film applied to the inner surface of the outer tube globe, in which the ultraviolet light transmissivity is lower than or equal to 25% and the visible light transmissivity is greater than or equal to 95% without increasing the skin failure rate of the film. | 07-08-2010 |
20100171773 | CIRCUIT ARRANGEMENT AND ACTUATION METHOD FOR SEMI-CONDUCTOR LIGHT SOURCES - A circuit arrangement for driving semiconductor light sources is provided. The circuit arrangement may include video electronics, which are configured to generate a timing signal and an image value table; a driver circuit, which comprises a digital and an analogue part, and a semiconductor light source module, which can contain one or a plurality of semiconductor light sources; and a switch being arranged between the driver circuit and the semiconductor light source module, which switch is driven by the driver circuit and can switch the desired value for the power supply for the semiconductor light source module away from an analogue/digital converter to logic 0. | 07-08-2010 |
20100171582 | MONOLITHIC INDUCTIVE COMPONENT, METHOD FOR THE PRODUCTION OF THE COMPONENT, AND APPLICATION OF THE COMPONENT - A method for manufacturing a monolithic inductive component is provided. The method may include providing a green body comprising a green sheet composite for forming a multilayer ceramic body with an integrated winding and a shaped body of terrific core material, the green sheet composite being combined with an encapsulation so as to create a cavity with a cavity opening between the encapsulation and the green sheet composite, and the cavity being filled with the ferritic core material through the cavity opening; and heat-treating the green body, a multilayer ceramic body with an integrated winding being created from the green sheet composite and a magnetic core comprising the ferritic core material being created from the green sheet composite. | 07-08-2010 |
20100171434 | CIRCUIT ARRANGEMENT FOR OPERATING DISCHARGE LAMPS AND METHOD FOR OPERATING DISCHARGE LAMPS - A circuit arrangement for operating a discharge lamp is provided. The circuit arrangement may include a commutating device, which is configured to exhibit an input which is coupled to a direct-current source and has an output which can be coupled to a discharge lamp; the commutating device being configured in such a manner that it couples the direct-current source to the output and the polarity with which the direct-current source is coupled to the output can be commutated by a control device; the control device including a measurement input which is coupled to a measuring device which is configured to deliver a measurement value which is a measure of the magnitude of a lamp voltage; wherein the control device is configured to control the commutating device in such a manner that the polarity at which a higher lamp voltage prevails is coupled longer to the output. | 07-08-2010 |
20100171426 | HIGH-VOLTAGE PULSE GENERATOR AND HIGH-PRESSURE DISCHARGE LAMP HAVING SUCH A GENERATOR - A high-voltage pulse generator is provided. The high-voltage pulse generator may include a spiral pulse generator, the spiral pulse generator being configured as an LTCC component and being wound from at least two ceramic sheets and at least two metal layers, wherein the two ceramic sheets are joined to form a multilayer structure including at least one first layer of a capacitively acting ceramic sheet including a high permittivity of at least ∈ | 07-08-2010 |
20100171405 | HIGH POWER LED MODULE ASSEMBLY AND METHOD FOR MANUFACTURING THE SAME - A high power LED module assembly may include at least one high power LED module each of which includes a MCPCB and a high power LED disposed on the MCPCB, a flex tube which includes a base engaging with each of the high power LED modules and a cover enclosing the base; wherein the high power LED module assembly further comprises at least one heat sink each of which is correspondingly connected to the bottom of each high power LED modules; and wherein the cover is engaged with the heat sink and encloses the base, the high power LED module and all other sides of the heat sink than the bottom side thereof which is exposed to ambient environment. | 07-08-2010 |
20100164389 | CIRCUIT ARRANGEMENT AND METHOD FOR OPERATING AT LEAST ONE LED AND AT LEAST ONE FLUORESCENT LAMP - A circuit arrangement for operating an LED and an fluorescent lamp may include a main rectifier; an auxiliary rectifier; an inverter, the output of said inverter having a terminal for connecting the fluorescent lamp; a starting device, wherein its first terminal is coupled to a control electrode of one of the switches of the inverter; a pull-down circuit; and a starting capacitor; wherein the second terminal of the starting device and the second terminal of the pull-down circuit are coupled to the first output terminal of the auxiliary rectifier; wherein the starting capacitor is coupled between the first and the second output terminal of the auxiliary rectifier; and wherein there is arranged in parallel with the starting capacitor a series circuit including a first and a second terminal for the LED and an LED switch, wherein the LED switch has a control electrode, an operating electrode and a reference electrode. | 07-01-2010 |
20100156262 | LUMINAIRE - A luminaire is specified with a printed circuit board having at least one light emitting diode, the printed circuit board having a cutout for engaging with a holding element, the cutout positioning the printed circuit board in a fashion locked against rotation with the holding element. | 06-24-2010 |
20100149808 | ILLUMINATION DEVICE AND PROJECTION DEVICE WITH SUCH AN ILLUMINATION DEVICE - An illumination device may include a flexible printed circuit board; a power electronics module; and a light-emitting diode module, which is electrically connected to the power electronics module by means of the flexible printed circuit board. | 06-17-2010 |
20100148699 | CIRCUIT CONFIGURATION FOR OPERATING AT LEAST ONE DISCHARGE LAMP AND METHOD FOR GENERATING AN AUXILIARY VOLTAGE - A circuit arrangement for operating at least one discharge lamp may include: a first and a second input terminal for connecting a supply voltage; an inverter, which includes at least one first switch and one second switch, which are coupled in series between the first and the second input terminal and between which a bridge center point is defined; a drive circuit for at least the first switch and the second switch with an input for receiving a control signal; an apparatus for generating an auxiliary voltage. The apparatus may include: a first capacitor; a terminal for the provision of the auxiliary voltage, which terminal is coupled to a reference potential via the first capacitor; a two-state controller with a first input to which the control signal in inverted form is coupled, a second input, which is coupled to the terminal for the provision of the auxiliary voltage, and an output; a switch—with a control electrode, a working electrode and a reference electrode, the control electrode being coupled to the output of the two-state controller, the working electrode being coupled to the terminal for the provision of the auxiliary voltage; and a nonreactive resistor; wherein the apparatus for generating the auxiliary voltage furthermore includes a transformer with a primary winding and a secondary winding, the transformer being coupled to the first and the second input terminal, the terminal for the provision of the auxiliary voltage and the switch-in such a way that a current through the switch results in a current through the primary winding, in a current through the secondary winding and therefore in charging of the first capacitor. | 06-17-2010 |
20100148696 | METHOD FOR CONTROLLING THE EMISSION BEHAVIOR OF LUMINAIRES IN AN ARRANGEMENT OF A PLURALITY OF LUMINAIRES, AND AN ARRANGEMENT OF A PLURALITY OF LUMINAIRES - A method for controlling the emission behavior of luminaires in an arrangement of a plurality of luminaires is provided. The method may include using a first luminaire of the plurality of luminaires to define the desired emission behavior at least of itself and at least of one further luminaire; emitting light by means of the first luminaire, to which signals are applied that transmit at least one information item relating to the desired emission behavior; and receiving the light by means of at least one second luminaire, reading out the at least one information item, and emitting light in accordance with the at least one information item. | 06-17-2010 |
20100148685 | INTEGRATED DIMMABLE COMPACT FLUORESCENCE LAMP AND CIRCUIT USED THEREIN - The present invention discloses an integrated dimmable compact fluorescence lamp and a circuit used therein. The circuit includes: a dimming module configured to adjust the brightness of the compact fluorescence lamp by controlling the frequency of a voltage to be output to a control module, wherein the dimming module includes the following: a control part configured to receive a first electrical signal from an input module and an electrical feedback signal from a lamp tube of the compact fluorescence lamp, generate an electrical reference signal which represents a part of the first electrical signal or the whole electrical signal, adjust the electrical reference signal as reaction to an external operation and output the electrical reference signal and the electrical feedback signal to a frequency adjustment part to control the frequency of a voltage output from the frequency adjustment part; and the frequency adjustment part configured to receive the first electrical signal from the input module, generate the frequency of the voltage to be output to the control module and adjust the frequency of the voltage as reaction to the electrical reference signal and the electrical feedback signal. | 06-17-2010 |
20100148674 | SETTING AN RGB LUMINOUS MODULE - An arrangement for setting at least one RGB luminous module is provided. The arrangement may include at least one RGB sensor configured to detect a color signal; and a processor configured to set the at least one RGB luminous module depending on the color signal. | 06-17-2010 |
20100148668 | HALOGEN INCANDESCENT LAMP - A halogen incandescent lamp is provided in various embodiments. The halogen incandescent lamp may include a bulb in which there are accommodated a luminous element and a fill with a halogen-containing additive; the halogen being at least one of iodine and bromine, wherein there is accommodated in the interior of the bulb a layer which can be activated at suitable temperatures, the layer containing at least one of bromine, chlorine, fluorine and oxides or sulfides and is arranged such that it can be touched by the luminous element in the case when the latter is passed through and, during operation of the lamp, ensures the lamp is quickly switched off owing to the release of a reactive substance. | 06-17-2010 |
20100142110 | DOUBLE-SIDED PRINTED CIRCUIT BOARD COMPRISING A STRIP CONDUCTOR SAFETY FUSE - A double-sided printed circuit board may include: electrical conductor tracks fitted thereon and serving for electrically connecting components mounted on the printed circuit board, which has at least one conductor track fuse in the form of a conductor track with a fusible link part, wherein, upon the occurrence of an abnormal operating state, in particular an electrical short circuit, the electric circuit is interrupted by melting and evaporation of the fusible link part and plasma arises upon the evaporation of the fusible link part, wherein the fusible link part lies on the other side of the printed circuit board with respect to the supply line. | 06-10-2010 |
20100141165 | METHOD FOR IGNITING AND STARTING HIGH-PRESSURE DISCHARGE LAMPS - A method for igniting and for starting high-pressure discharge lamps is provided. The method may include applying a takeover voltage to the lamp for a predetermined time of a burst; superimposing ignition pulses on the takeover voltage in such a way that the voltage of the ignition pulses and the takeover voltage are added up and an interruption being provided between two bursts; and changing the ignition pulses from burst to burst or within a burst from the positive half-cycle of the takeover voltage to the negative half-cycle of the takeover voltage, and vice versa. | 06-10-2010 |
20100141137 | HIGH-PRESSURE DISCHARGE LAMP AND VEHICLE HEADLIGHT WITH HIGH-PRESSURE DISCHARGE LAMP - A high-pressure discharge lamp may include a discharge vessel which is sealed in a gas-tight manner and in which electrodes and an ionizable fill for generating a gas discharge are enclosed, the ionizable fill being in the form of a mercury-free fill which includes xenon and halides of the metals sodium, scandium, zinc and indium, wherein the weight ratio of the halides of zinc and indium is in the range of from 20 to 100, and wherein the coldfilling pressure of xenon is in the range of from 1.3 megapascal to 1.8 megapascal. | 06-10-2010 |