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Electric lamp and discharge devices: systems June invention type 06/09

20090160343 - Alternating headlights and method of operating: A multi-headlight assembly of a motorcycle includes a pair of headlights. A first one of the pair of headlights includes a low power main lamp and a second one of the pair of headlights includes a high power main lamp, the low power main lamp being configured to illuminate in... Agent: Michael Best & Friedrich LLP

20090160344 - Lighting emitting diode lamp: A lighting emitting diode (LED) lamp (100) includes a first LED array (60) and a second LED array (50). A ratio of change of relatively luminous intensity relative to change of temperature of the first LED array is less than that of the second LED array. A first heat sink... Agent: PCe Industry, Inc. Att. Steven Reiss

20090160345 - Uv lamp system and associated method with improved magnetron control: An ultraviolet lamp system for irradiating a substrate includes a magnetron and a memory physically attached to the magnetron. An electrodeless lamp is configured to emit ultraviolet light when excited by microwave energy generated from the magnetron. Main control circuitry is operable to read and write operational data associated with... Agent: Wood, Herron & Evans, LLP (nordson)

20090160346 - Method and apparatus for providing high speed, low emi switching circuits: Methods and apparatus are provided for generating low EMI display driver power supply. The methods and apparatus include switching circuits that utilize two groups of parallel circuit traces, each of which is coupled to one end a switching device. The two groups of traces are configured to be interleaved with... Agent: Kramer Levin Naftalis & Frankel LLP

20090160347 - Anti-striation circuit for current-fed ballast: An electronic ballast circuit having at least two distinct switching cycles also includes an anti-striation feature. More particularly the electronic ballast includes an input section configured to receive an input from a power source. A resonant section receives the signals from the input section in order to generate a resonant... Agent: Fay Sharpe LLP

20090160348 - Discharge lamp lighting device and projector: A method of generating a driving current supplied to a high pressure discharge lamp, including outputting a DC current, converting the DC current to an AC current having a predetermined frequency, generating a reference pulse which is asynchronous with the AC current, and superposing the first pulse and the second... Agent: Oliff & Berridge, PLC

20090160349 - Electronic stabilizer circuit for suppressing startup instabilities in cold cathode fluorescent lamps: According to the present invention an electronic stabilizer circuit for suppressing startup instabilities when supplying a cold cathode fluorescent lamp with current is proposed which is connected in series with a power supply line of the cold cathode fluorescent lamp. The stabilizer circuit has variable impedance which is automatically adjusted... Agent: Cooper & Dunham, LLP

20090160350 - Balance transformer and backlight apparatus: The invention provides a balance transformer and a backlight apparatus using the same. The balance transformer comprises a first main coil, a second main coil, a first induction coil, and a conductor. The first main coil has a first contact point and a second contact point, and the second main... Agent: Morris Manning Martin LLP

20090160351 - Electric discharge light-regulation matching circuit: An inexpensive electric discharge light-regulation matching circuit for use with a standard light regulator to regulate the light of an electric discharge without causing flickering is disclosed to include a resonance unit, which comprises a first capacitor and a second capacitor connected in series and a first inductance connected in... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20090160352 - Discharge tube lighting apparatus: A discharge tube lighting apparatus includes a converter that converts a voltage received from an alternating-current or direct-current power supply into a predetermined direct-current voltage and an inverter that converts an output voltage of the converter into an alternating-current voltage having a predetermined frequency. The inverter performs burst control based... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090160353 - Multi-lamp backlight apparatus: The invention discloses a multi-lamp backlight apparatus. The multi-lamp backlight apparatus includes a first lamp, a second lamp, a controlling unit, a resonating unit, and a balance transformer. The controlling unit is used for generating a controlling signal. The resonating unit is used for converting the controlling signal into a... Agent: Morris Manning Martin LLP

20090160358 - Controller and method for controlling an intensity of a light emitting diode (led) using a conventional ac dimmer: The present invention relates to providing a flicker-free method and a control circuit for use in conjunction with a conventional AC dimmer coupled to a mains AC supply to continuously control an intensity of a Light Emitting Diode (LED) over substantially a full range of the dimmer, the control circuit... Agent: Oliff & Berridge, PLC

20090160354 - Designer-style dimmer apparatus and method: A switch for controlling distribution of power to a light. The switch may include a frame, a controller connected to the frame, and a rocker connected to the frame to pivot with respect thereto through a range of motion having a first extreme and a second extreme, opposite the first... Agent: Pate Pierce & Baird

20090160355 - Discharge lamp lighting apparatus: There is provided highly efficient discharge lamp lighting apparatus capable of reducing its cost by reducing high withstand voltage components on the secondary side of a high voltage transformer and stabilizing, its circuit operation. A discharge lamp lighting apparatus (1) comprises a high voltage transformer (2), a switching circuit (4)... Agent: Oliff & Berridge, PLC

20090160356 - Drive circuit for a switchable heating transformer of an electronic ballast and corresponding method: The drive signal for a switchable heating transformer of an electronic ballast should be capable of being produced in a simple manner. For this purpose, the invention provides for an oscillating inverter voltage, which has a variable inverter frequency, to be tapped off, for example, at the half-bridge center point.... Agent: Osram Sylvania Inc

20090160357 - Inverter, its drive method, light emitting device and liquid crystal television using the same: An H-bridge circuit is controlled based on a triangular wave signal and an error voltage. To control the circuit, a first high-side transistor and a second low-side transistor are turned on in a first period until the triangular wave signal reaches the error voltage. The first high-side transistor is turned... Agent: Cantor Colburn, LLP

20090160359 - Light emitting diode control circuit with constant-current circuit: A light emitting diode (LED) control circuit can control a liquid crystal display (LCD). The LED control circuit includes a switch and a constant-current circuit. Typically, the switch includes an input terminal connected to a power source via an LED to be controlled, a control terminal configured for receiving a... Agent: PCe Industry, Inc. Att. Steven Reiss

20090160362 - Apparatus and method for controlling lighting brightness through digital conversion: Provided is an apparatus for controlling lighting brightness including a light control unit that generates a control signal for controlling the brightness of a plurality of lightings; a digital signal generating unit that converts a signal corresponding to the control signal at each period so as to generate non-periodic digital... Agent: Lowe Hauptman Ham & Berner, LLP

20090160360 - Apparatus and method for controlling lighting brightness through pulse frequency modulation: Provided is an apparatus for controlling lighting brightness through PFM, the apparatus including a lighting control unit that generates a control signal for controlling the brightness of a plurality of lightings; a PFM signal generating unit that is controlled by the control signal so as to generate a plurality of... Agent: Lowe Hauptman Ham & Berner, LLP

20090160365 - Apparatus having supply voltage adaptive light emitting component circuitry and method of controlling: A portable electric apparatus enabled for light irradiation substantially independent of a supply voltage and a method for controlling the light irradiation is provided. The device comprises a power source with a wide total operating voltage variation range, a voltage sensor adapted for generating one or more switch control signals,... Agent: Alston & Bird LLP

20090160361 - Light emitting device: A light emitting element group includes a plurality of light emitting element units connected in series. A first current limiting circuit is arranged in series with the light emitting element group, and limits a first drive current flowing from one end to the other end of the light emitting element... Agent: Cantor Colburn, LLP

20090160364 - Operating solid-state lighting elements: Operating a lighting device by acquiring a target brightness level of at least one solid-state lighting unit, and determining a reference driving current amplitude for obtaining the target brightness level. If the reference driving current amplitude is below an optimum driving current amplitude, the solid-state lighting unit is operated at... Agent: Philips Intellectual Property And Standards

20090160363 - Solid state lighting devices and methods of manufacturing the same: Lighting devices comprising first, second and third strings of solid state lighting devices. One aspect further comprises means for supplying first fixed current through the first string, means for supplying second fixed current through the second string, and means for supplying current through the third string. In a second aspect,... Agent: Burr & Brown

20090160369 - Controlling a light emitting diode fixture: One embodiment in accordance with the invention can include a circuit for controlling a light emitting diode (LED) lighting fixture via a power line. The circuit can include a power switch coupled to the power line and is for outputting a firing angle. Additionally, the circuit can include a control... Agent: Cypress C/o Murabito, Hao & Barnes LLP

20090160366 - Method for setting an electronic ballast: Method for setting an electronic ballast, with which an electric lamp is operated which comprises programming first settings of at least one operational parameter of at least one first lamp type into the electronic ballast, setting and operating an electric lamp, which is connected to the electronic ballast, with the... Agent: Viering, Jentschura & Partner - Osr

20090160368 - Phase control for hysteretic controller: A driver circuit, and light emitting system and method are provided. The driver circuit includes possibly a controller and a phase detector coupled to produce an intermittent output proportional to a value of an input relative to upper and lower threshold values, and a difference between the input signal, which... Agent: Cypress Semiconductor Corporation

20090160367 - Power supply, light emission control device and display device: The power supply of the present invention is composed of: a charge pump circuit (54) that periodically turns on and off a plurality of charge-transfer switches (Q1 to Q4) according to clock signals (c1 and c2), thereby charges and discharges a charge storage capacitor (C1) and thus produces the desired... Agent: Fish & Richardson P.C.

20090160370 - Alternating current light emitting device: An alternating current (AC) light emitting device includes an AC light emitting diode (LED) module and a waveform modulation unit. The AC LED module includes at least two sets of micro-diodes. The waveform modulation unit coupled between the AC LED module and an AC voltage source modulates a waveform of... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090153055 - Magnetron and method of manufacturing magnetron anode vane: In each anode vane 10, there is provided the brazing material spreading prevention groove 13 that interconnects the strap ring inserting portions 11 and 12 in parallel to the direction of the central axis Ax. With such a configuration, it is possible to prevent the residual brazing material 3a from... Agent: Mcdermott Will & Emery LLP

20090153056 - Pixel structure, display panel, eletro-optical apparatus, and method thererof: A pixel structure disposed on a substrate including a thin film transistor (TFT), a bottom capacitor electrode, a dielectric layer, an upper capacitor electrode, a passivation layer, and a pixel electrode is provided. The TFT having a source/drain and the bottom capacitor electrode are disposed on the substrate. The dielectric... Agent: Jianq Chyun Intellectual Property Office

20090153058 - Infusion pump with configurable screen settings: A method and apparatus provides for configuring the backlight brightness level. The backlight brightness level can be configured at the drug library and/or at the medical device, thereby improving the flexibility a user has in changing backlight parameters. A method and apparatus for managing a power saving mode allows the... Agent: Brian R. Woodworth

20090153057 - Washing machine having lamp device and control method of the same: The present invention relates to washing machines, and more particularly, to a washing machine having a lamp device with LED (76,78) mounted to a gasket (40) for lighting an inside of the washing machine, and a method for controlling the same. For this the present invention provides a washing machine... Agent: Ked & Associates, LLP

20090153059 - Lighting controller of lighting device for vehicle: A lighting controller of a lighting device for a vehicle includes a switching regulator for supplying a driving current to first to Nth (N is an integer of one or more) semiconductor light sources; first to Nth current driving portions; and a control portion. The first to Nth current driving... Agent: Osha Liang L.L.P.

20090153060 - Rf plasma source with quasi-closed solenoidal inductor: The present invention pertains to RF (radio frequency) inductive coupling plasma (ICP) sources exciting and maintaining plasma within a closed and vacuum sealed discharge chamber filled with a gaseous medium at a controllable pressure in the range from 1 mTorr to atmospheric pressure. The inductively couple plasma source of the... Agent: Floyd B. Carothers Carothers And Carothers

20090153061 - Cooling apparatus of discharge lamp: Disclosed is a cooling apparatus of a discharge lamp for applying a heat spreading plate to a high intensity discharge lamp or for applying both a heat spreading plate and a cooling fan to a high intensity discharge lamp so as to improve a durability of an embedded electronic ballast... Agent: Sunny Kim

20090153062 - Light emitting diode driving device and light system: A light emitting diode driving device and light system are provided. The light emitting diode driving device drives a light source by a received alternating current voltage. The light emitting diode driving device includes a rectifier, a feedback unit, a protection unit, a switch unit, a timing unit, and a... Agent: Baker & Mckenzie LLP Patent Department

20090153063 - Image display device: An image display apparatus includes a light source device, a light source control unit which controls power supplied to the light source device and an image light emission unit which, utilizing a source light emitted from the light source device, emits an image light. A light quantity measurement unit measures... Agent: Workman Nydegger 1000 Eagle Gate Tower

20090153064 - Electronic circuit for driving electroluminescent display: An electroluminescent circuit for driving an electroluminescent display having a plurality of segment electrodes and a common electrode. The circuit comprises a DC power supply, an output terminal for each of the segments and common electrodes and at least one supply half H-bridge for connecting at least one of each... Agent: Sutherland Asbill & Brennan LLP

20090153065 - Address drive circuit and plasma display apparatus: A circuit configuration for realizing high impedance in an address drive circuit is provided in order to reduce the number of recovery switches without reducing power recovery efficiency. A mechanism for realizing the high impedance in an address drive circuit during a sustain period of a plasma display panel is... Agent: Mcdermott Will & Emery LLP

20090153066 - Light emitting diode circuit having even current: A light emitting diode (LED) circuit having even current has multiple LED strings, a current equalizing integrated circuit (IC) and a voltage compensation module. The LED strings are connected to an external power source, and each LED string has a power terminal and a driving terminal. The current equalizing IC... Agent: Jackson Walker, L.L.P.

20090153067 - High frequency high intensity discharge ballast: A ballast with self-oscillating inverter and a high-voltage multiplier circuit is disclosed for providing a DC start mechanism for starting an HID lamp. The high voltage multiplier ignites the lamp using direct current (DC) voltage. This results in low component stresses and lower output voltages than can be realized either... Agent: Fay Sharpe LLP

20090153068 - Backlight assembly, display apparatus having the backlight assembly, and method thereof: A backlight assembly includes a light-generating unit and an inverter. The light-generating unit includes a first U-shaped lamp and a second U-shaped lamp parallel with each other. Electrodes of the first and second U-shaped lamps are disposed at one side of the light-generating unit. The inverter includes a multi-output transformer,... Agent: Cantor Colburn, LLP

20090153069 - Module for parallel lighting and balancer coil for discharge lamp: A small balancer coil for cold-cathode florescent lamps having sufficient shunt/balance effects, comprises a discharge lamp, a conductor located close to the discharge lamp, and two coils whose magnetic fluxes face each other. The magnetic fluxes generated in the coils face and cancel each other. Lamp currents of the discharge... Agent: Birch Stewart Kolasch & Birch

20090153070 - Module for parallel lighting and balancer coil for discharge lamp: A spiral pulse generator is used to start a high-pressure discharge lamp and is accommodated directly in the external bulb of the lamp. The spiral pulse generator comprises two parts which are manufactured jointly as an LTCC component.... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090153071 - Ignition circuit for igniting a discharge lamp and method for igniting the discharge lamp: The invention specifies a starting circuit arrangement for starting at least one discharge lamp by applying an electrical starting voltage pulse to the discharge lamp, the starting circuit arrangement having the following features: at least one source circuit arrangement for providing an electrical primary voltage pulse, at least one starting... Agent: Osram Sylvania Inc

20090153072 - Inverter circuit: From the individual small areas of a conductor pattern arranged on the back side of a circuit board, there are individually extended leader patterns, which are midway led by through holes to the surface side of the circuit board. The individual leader patterns led to the surface side are connected... Agent: Oliff & Berridge, PLC

20090153074 - Lamp and driving device for backlight assembly having the same: A lamp includes first and second glass tube portions for emitting light, respective one ends of the first and second glass tube portions being bent and connected integrally to each other, first and second electrodes respectively formed at respective other ends of the first and second glass tube portions, and... Agent: Mckenna Long & Aldridge LLP

20090153073 - Light source device, projector, and driving method of discharge lamp: To prevent biased consumption of electrodes in a discharge lamp and to prevent biased precipitation of the electrode material, a light source is provided. The light source device has a discharge lamp that emits light by discharge between a first electrode and a second electrode; and a driver that supplies... Agent: Oliff & Berridge, PLC

20090153075 - Color control method for led lighting systems: When temperature variation occurs to the LED dice of an LED lighting system, a feedback control mechanism is applied to compensate temperature-related wavelength shift for precisely controlling the light generated by the LED dice based on the voltage drop variation or current variation of the LED dice. The color control... Agent: North America Intellectual Property Corporation

20090153076 - Driving circuit and method for reducing operating temperature of led package: The present invention relates to a driving circuit for driving one or multiple LED chip sets. The driving circuit includes a power converting circuit, one or multiple switching elements, and a controller. The power converting circuit is electrically connected to the one or multiple LED chip sets for receiving an... Agent: Kirton And Mcconkie

20090153077 - Illumination unit and fixing bracket thereof: The present invention disclosed herein is an illumination unit and a fixing bracket thereof. The illumination unit according to the present invention includes an illumination lamp and a fluorescent lighting fixture, which are combined in a body. The illumination unit comprises: the illumination lamp configured to include a sealed tube... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090153078 - Led array circuit: The present invention relates to a LED array circuit having a plurality of LED units and each one of the LED units comprises a horizontal scanning line; a vertical scanning line; a first LED, which connects with the horizontal scanning line by the positive end and connects with the vertical... Agent: Anthony R. Barkume

20090153079 - Betatron bi-directional electron injector: A Betatron having a toroidal passageway disposed in a cyclical magnetic field with a main electron orbit circumnavigating the toroidal passageway. Within the toroidal passageway is a first electrode that is spaced apart from a second electrode. The combination of the first electrode and the second electrode define a central... Agent: Schlumberger-doll Research Attn: Intellectual Property Law Department

20090146572 - Power sensing in a flashlight: A flashlight includes a battery and a circuit for operation to signal to a user that the battery voltage is at selected voltage or power level. There can be two switches each being for operating a light emitting source of the flashlight. The switches are linked 3-way switches and have... Agent: Greenberg Traurig LLP (la)

20090146573 - Led emergency light: A lighting apparatus includes a primary lighting source powered by from a facility A-C power source, and backup LED lighting source powered by batteries.... Agent: Fsp LLC

20090146574 - Safety circuit for electro-luminescent lamp ballast: A safety circuit is provided for a ballast of an electro-luminescent (EL) lamp. The EL lamp had an electrical ground shield on at least a portion thereof and has a separate ground lead. The ballast is an isolated ballast with a line input being isolated from an output. The ballast... Agent: Gibbons P.C.

20090146575 - Light emitting diode (led) driving device: A light emitting diode (LED) driving device includes a power factor correction (PFC) circuit, a bridge switch circuit, a resonant circuit, a transformer and a feedback circuit. The PFC circuit adjusts an output signal thereof based on a feedback signal. The bridge switch circuit transforms the output signal of the... Agent: North America Intellectual Property Corporation

20090146576 - Metal halide lamp including a source of available oxygen: A lamp includes a discharge vessel. Tungsten electrodes extend into the discharge vessel. An ionizable fill is sealed within the vessel. The fill includes a buffer gas, optionally free mercury, a halide component which includes a rare earth halide selected from the group consisting of lanthanum halides, praseodymium halides, neodymium... Agent: Fay Sharpe LLP

20090146577 - Transformer, illuminating apparatus using the same, and display apparatus using the same: A transformer arranged to be used for an illuminating apparatus includes a closed-magnetic-circuit core, a primary coil wounded around the closed-magnetic-circuit core, and plural secondary coils wounded around the closed-magnetic-circuit core. The plural secondary coils includ respective first ends and respective second ends. The illuminating apparatus includes plural discharge lamps.... Agent: Ratnerprestia

20090146578 - Lamp-lighting apparatus: An economical device for lighting lamps such as discharge tubes. The lamp-lighting apparatus has an inverter transformer, a switching circuit connected with the primary winding of the inverter transformer and acting to perform switching for converting a voltage from an input power supply, a shunt transformer connected in series with... Agent: Orrick, Herrington & Sutcliffe, LLPIPProsecution Department

20090146579 - Discharge-lamp lighting device and luminaire: There is provided a discharge-lamp lighting device that, upon start-up of a high-intensity discharge lamp, alternately outputs a period A during which a starting circuit applies a high voltage to the high-intensity discharge lamp by resonance operation when a DC/AC inverter outputs a high-frequency voltage, and a period B during... Agent: Greenblum & Bernstein, P.L.C

20090146580 - High intensity discharge lamp driver with voltage feedback controller: Current arrangement for operating a high intensity discharge lamp or a ultra high pressure discharge lamp, comprising a DC-to-DC converter, a control circuit for controlling the output value of the DC-to-DC converter, and a commutator. The control circuit comprises two control loops, one of which controlling an absolute average value... Agent: Philips Intellectual Property & Standards

20090146584 - Backlight assembly, display apparatus having the backlight assembly and method of preventing a current controller of the backlight assembly from being shut down: A backlight assembly includes a light-emitting apparatus, a multi-channel current controller and a heat distributor. The light-emitting apparatus includes a plurality of light-emitting diode (“LED”) strings. The multi-channel current controller includes a plurality of current control circuits, each of which includes an input channel electrically connected an LED string of... Agent: Cantor Colburn, LLP

20090146582 - Colour rendering in compact fluorescent lamps: Compact fluorescent lamps (CFLs) are characterized by impaired colour rendering, due to their low illumination capability near the blood-red edge of the visible spectrum. Red light output by a light emitting diode (LED) has a relatively narrow spectral distribution, and LEDs are able to produce red light with reasonable efficiency.... Agent: Oyen, Wiggs, Green & Mutala LLP 480 - The Station

20090146585 - Constant power driving-and-controlling method for lighting elements: The present invention provides a constant power driving-and-controlling method for lighting elements so as to stably drive solid lighting elements. Measuring the input power of lighting elements by a power measuring device and then controlling the input power of the lighting elements by a feedback controller to stabilize the input... Agent: Squire, Sanders & Dempsey L.L.P.

20090146581 - Gas discharge lamp driver circuit with lamp selection part: A gas discharge lamp driver circuit, comprising an inverter (10) of a bridge type, which has first and second input terminals connected to DC power lines (6, 8) for receiving a DC power voltage and output terminals (18) for providing a substantial rectangular power voltage, a ballast (20), which is... Agent: Philips Intellectual Property & Standards

20090146583 - Portable handheld illumination system: Illumination systems are described that can include one or more light sources, which can include LEDs, one or more lenses, and one or more optical fibers. A handheld, portable, and surgical intraocular illumination system is disclosed that is disposable, low-cost, and efficient. A surgeon can have direct control of turning... Agent: Mcdermott Will & Emery LLP

20090146586 - Power supply for external electrode fluorescent lamps: The present invention provides a power supply circuit for providing power for a plurality of external electrode fluorescent lamps (EEFLs) connected in parallel, comprising a controllable voltage regulator for receiving an input power signal and for providing a regulated voltage signal, an output inverter and a resonant circuit connected to... Agent: Lucas & Mercanti, LLP

20090146587 - Completely sealed high efficiency microwave sulfur lamp: A completely sealed microwave sulfur lamp is made possible by removing the heat generated from the magnetron and high voltage direct-current power supply via heat conducting oil, rubber and resin. An oil pump is used to circulate the heated oil to the metallic housing of the lamp for natural cooling.... Agent: Wing P. Leung

20090140655 - Simple protection circuit and adaptive frequency sweeping method for ccfl inverter: A CCFL inverter circuit integrates a feedback circuit and protection circuit together. For both in-phase and out-of-phase applications, sensed lamp voltages can be used for open lamp and short lamp detection and sensed currents can be used for open lamp detection. The driving circuit adjusts the open lamp frequency by... Agent: Perkins Coie LLP Patent-sea

20090140656 - Light source control device, illuminaton device, and liquid crystal display device: A light emission device capable of holding a uniform color in various environments. A light source control device has a light detection device for detecting emission brightness of light sources that emit different colors and controlling emission brightness of at least one light source of the light sources based on... Agent: Birch Stewart Kolasch & Birch

20090140657 - Light source device, a display device and television receiver: A light source device and a display device are disclosed of which high display quality can be maintained by correcting luminance or a color tone without making a user feel strangeness or inconvenience. A light source device is disclosed in at least one embodiment, including light source blocks each of... Agent: Harness, Dickey & Pierce, P.L.C

20090140658 - Light emitting device, method of driving the same, and electronic apparatus: There is provided a method of driving a light emitting device including a light emitting element and a unit circuit that is disposed in correspondence with the light emitting element and drives the tight emitting element in accordance with emission control data generated based on image data, wherein the light... Agent: Oliff & Berridge, PLC

20090140659 - Feedback control system for controlling the light output of a led unit: The present invention relates to a control system (13) and method for controlling the light output of an emitting unit (11) having at least one LED (15) and emitting light of at least one colour. The control system (13) comprises a feedback based on a detection unit (19) detecting the... Agent: Philips Intellectual Property & Standards

20090140660 - Pulse-controlled light emitting diode source: A light-emitting diode array is driven by a digital control. The digital control modulates the pulse width of pulses applied to the light-emitting diode. The intensity of the output is controlled by controlling the width of pulses applied to the light-emitting diode. Since light-emitting diodes have very low inertial energy,... Agent: Dickstein Shapiro LLP

20090140661 - Organic electroluminescence display and driving method thereof: An organic electroluminescence display device is disclosed. The display comprises pixels which emit light according to data signals by controlling current from a pixel power supply through an organic light emitting diode, and to a ground power supply. In order to eliminate an initial glare, the pixel power supply is... Agent: Knobbe Martens Olson & Bear LLP

20090140662 - Circuit arrangement having a transformation apparatus and operating method for a lamp using a circuit arrangement having a transformation apparatus: The present invention relates to a circuit arrangement having a transformation apparatus, which has a primary side (P) and a secondary side (S), wherein the primary side and the secondary side (S) are DC-isolated from one another, wherein the primary side (P) has a terminal for a supply voltage (UE)... Agent: Osram Sylvania Inc

20090140664 - Backlight driving method and display apparatus using the same: A display and a method for driving a backlight thereof are provided. The display generates a control voltage and supplies the generated control voltage to a backlight driving unit in a step-wise manner. Accordingly, malfunctions of the backlight due to incomplete activation during initial driving, can be avoided.... Agent: Sughrue Mion, PLLC

20090140666 - Dimming control circuit and method for generating analog and digital signals according to one analog control signal: The present invention discloses a dimming control circuit and a method for generating analog and digital signals according to an analog control signal. The dimming control circuit according to the present invention comprises an input for receiving an analog control signal; a digital dimming circuit for receiving the analog control... Agent: Tung & Associates

20090140663 - Display system capable of auto-adjusting brightness and method for auto-adjusting brightness thereof: A display system includes a display panel, a solar battery, an electric current measuring module, a memory, and a brightness adjusting module. The solar battery is for converting light energy into electric current. The electric current measuring module is for measuring electric current generated from the solar battery. The memory... Agent: PCe Industry, Inc. Att. Steven Reiss

20090140665 - Light source module, method for driving the light source module, display device having the light source module: A light source module having a plurality of light source blocks corresponding to a plurality of display regions, a method for driving the light source module, and a display device having the light source module. The output brightness of each of the light source blocks is individually dimmed according to... Agent: F. Chau & Associates, LLC

20090140667 - Lighting control console for controlling a lighting system: A lighting control console for controlling a lighting control system including a digital processor and a digital storage unit. The lighting control console can comprise several control elements, in particular keys, linear regulators and/or induction regulators, which are arranged on the top of the casing and can be used to... Agent: Quarles & Brady LLP

20090140669 - Highly directed, adjustable intensity reading/keyboard light with optimized spectral output: A highly-directed light, with color in the blue area of the spectrum, has been developed that meets the particular requirements of two types of users. One application enables a user to see a keyboard clearly enough, predominately from his peripheral vision, to use it while engaged in other principal tasks.... Agent: James W. Masten, Jr.

20090140668 - Marine led lighting system and method: A method and apparatus of lighting a marine habitat for growth utilizing an LED light system. The light system includes an LED light source, a power supply for such light source and a controller for controlling the activation status and the intensity of the LED light source.... Agent: Dorsey & Whitney LLP Intellectual Property Department

20090140670 - Light beam control system for a spatial light modulator: According to one embodiment of the disclosure, a light beam control system includes a positive intrinsic negative diode coupled to a controller circuit. The positive intrinsic negative diode receives a portion of a light beam generated by a light source and converts the portion into a measured intensity. The controller... Agent: Texas Instruments Incorporated

20090140672 - Interrupted particle source: A synchrocyclotron includes magnetic structures to provide a magnetic field to a cavity, a particle source to provide a plasma column to the cavity, where the particle source has a housing to hold the plasma column, and where the housing is interrupted at an acceleration region to expose the plasma... Agent: Fish & Richardson PC

20090140671 - Matching a resonant frequency of a resonant cavity to a frequency of an input voltage: A synchrocyclotron includes magnetic structures that define a resonant cavity, a source to provide particles to the resonant cavity, a voltage source to provide radio frequency (RF) voltage to the resonant cavity, a phase detector to detect a difference in phase between the RF voltage and a resonant frequency of... Agent: Fish & Richardson PC