Electric lamp and discharge devices: systems inventions

20090278458 - Outdoor lighting device: An outdoor lighting device includes first and second LED arrays, first and second electric power supply systems, and a heat conducting substrate for the second electric power supply system. The first LED array works when natural wind blows. The first electric power supply system includes a fan and an electric... Agent: PCe Industry, Inc. Att. Steven Reiss

20090278459 - Induction coil, a plasma generator and a plasma generating method: The plasma generator of our invention comprises of the induction coil which is symmetric with respect to the reference plane between two terminal ends. Plasma processing gas is supplied to a predetermined space, and high frequency electricity is supplied to the induction coil, thereby the plasma generator generates plasma in... Agent: Yokoi & Company U.s.a., Inc.

20090278461 - Adaptive front light system having high heat-dissipation efficiency: An adaptive front lighting system (AFLS) having a high heat-dissipation efficiency increases heat-dissipation efficiency of a light emitting diode (LED) to improve durability in headlamps which use LEDs as a light source and have a variable illumination angle according to conditions. The AFLS includes a lamp housing, a reflector installed... Agent: Morgan, Lewis & Bockius LLP (sf)

20090278460 - System in package high power highly efficient diode lamp: A system in package, high power, and highly efficient diode lamp is provided. The diode lamp includes a heat-conducting/heat-dissipating module, a LED light module, an optical module, and a control circuit module. The heat-conducting/heat-dissipating module includes a heat-conducting device and at least one heat-dissipating fin. The LED light module is... Agent: Juan Carlos A. Marquez C/o Stites & Harbison PLLC

20090278462 - Light sensing apparatus and method for luminaire calibration: A light sensing apparatus and method for luminaire calibration are provided. Since the lighting frequencies of LEDs are modulated in sequence and a light sensing unit is activated and deactivated periodically, the light intensity received from each LED channel can be measured in sequence. In particular, only the light signals... Agent: Rosenberg, Klein & Lee

20090278464 - Christmas light string combining tungsten lamps with led lamps: The present invention is to provide a kind of decoration light string structure combining of tungsten filament lamps and LED lamps, which is characterized in a decoration lamp string with single power plug and combining of wrapped tungsten filament lamp string and LED lamp string to form a curtain lamp... Agent: Rosenberg, Klein & Lee

20090278463 - Power interruption protection structure for led string light: A power interruption protection structure for an LED string light implements a Zener diode connected between an anode and a cathode inside or outside a casing of each of plural monochromatic or polychromatic LEDs that are connected in series to form the LED string light. In case of a burnout... Agent: Rabin & Berdo, PC

20090278465 - Power conversion unit for led lighting: A power conversion unit converts an AC voltage into substantially constant DC current. The power conversion unit can be placed into an end cap of an LED lighting unit, to power LED modules. The power conversion unit uses capacitors and a bridge rectifier to perform the power conversion. The capacitors... Agent: Akin Gump Strauss Hauer & Feld LLP

20090278466 - Fluorescent lamp driving circuit: A fluorescent lamp driving circuit is provided. The fluorescent lamp driving circuit collects a pulse-width-modulation and a MOS switch in a single package. The pulse-width-modulation for driving multiple lamps only needs two pins to achieve feedback control and protection control. Thereby the pins required by the pulse-width-modulation are decreased substantially,... Agent: Rosenberg, Klein & Lee

20090278467 - Dimmable electronic ballast for electrodeless discharge lamp and luminaire: A dimmable electronic ballast for an electrodeless discharge lamp comprises an inverter circuit, a resonance circuit, an induction coil and a start circuit. The start circuit has a variable time constant. The start circuit sweeps a drive frequency of the inverter circuit through a time constant for start or restart... Agent: Cheng Law Group, PLLC

20090278468 - Device and method for operating a high-pressure discharge lamp: A device for operating a high-pressure discharge lamp (930) with a bipolar supply current and a regulated power input. The device includes a regulator (961) with an asymmetrical regulating characteristic curve for forming a current or power impulse (K1, K2) close to the zero crossing of the supply current.... Agent: Viering, Jentschura & Partner - Osr

20090278470 - Color navigation system: A system and method for color navigation through a CIELAB color space with coordinates hue (H), lightness (L), chroma (C), with intervals ΔH, ΔL, ΔC such that the perceptual color difference AE1Nv, defined according to the formula: AZW=̂{AL)2+{fc(H)−ACf+[AH)2, is constant for steps in direction C and L and for steps... Agent: Philips Intellectual Property And Standards

20090278469 - Method of lighting high pressure mercury lamp, lighting device for the same, lamp system and projection display unit: An object of the present invention is to provide a lighting method and the like that can prevent a lamp temperature of each individual high-pressure mercury lamp from being beyond a proper temperature range of a halogen cycle. The lighting method maintains a discharge of the high-pressure mercury lamp that... Agent: Snell & Wilmer L.L.P. (panasonic)

20090278471 - Circuit device for light-emitting diode driving and stabilizing system: A circuit device for an LED's driving and stabilizing system includes an AC/DC controllable driving voltage source, a feedback driving controller, an LED demodulation driving controller controllable driving voltage source, an external regulator, and an LED modular device. While various internal conditions or factors of the circuit device may be... Agent: Rabin & Berdo, PC

20090278475 - Heartbeat emulating lighted device: A heartbeat emulating lighted device includes a base layer having an upper surface and a lower surface. A control circuit and light source are coupled with the base layer, and the control circuit and light source are capable of illuminating the base layer and outputting a first light pulse output... Agent: Booth Udall, PLC

20090278474 - Low-profile pathway illumination system: A luminaire to illuminate surfaces comprises a housing, a mounting fixture and a light source. The housing includes a base having a bottom surface positionable on a surface to be illuminated, an interior, and at least one window providing access between the interior and an exterior of the housing. The... Agent: Seed Intellectual Property Law Group PLLC

20090278473 - Method and device for driving an array of light sources: An illumination system (1) comprises a plurality of light source assemblies (10) and a common controller (21). Each light source assembly (10) comprises a plurality of individually controllable light sources (11, 12, 13) for generating light of mutually different colors. The controller is designed to generate a plurality of switched... Agent: Philips Intellectual Property And Standards

20090278472 - Method and system for a network of wireless ballast-powered controllers: Autonomous lighting subsystems include ballast-powered wireless nodes for receiving control signals to control lighting devices. Autonomous lighting subsystems may be networked with other autonomous lighting subsystems to control various building-devices, including but not limited to lighting ballasts, occupancy sensors, daylight harvesters, and building automation control devices.... Agent: Merchant & Gould PC

20090278476 - Device for generating light: An illumination system (10; 100) for generating light comprises: at least one a lamp assembly (14; 114) capable of generating light (17; 117) with a variable color; a controller (15; 115) for controlling the lamp assembly; a user input device (19) coupled to the controller. The controller (15; 115) is... Agent: Philips Intellectual Property And Standards

20090278478 - Dc voltage converter: A DC voltage converter used for producing a driving voltage to drive a load comprising a step-up circuit and a modulation circuit is provided. The step-up circuit is used for receiving an input voltage and boosting the input voltage to produce an output voltage. The output voltage is controlled according... Agent: Rosenberg, Klein & Lee

20090278477 - Method for controlling light-emission of a light-emitting diode light source: A method for controlling light-emission of a light-emitting diode (LED) light source whose heat is dissipated by a thermal module is provided. The method includes following steps: providing a constant current source to drive the LED light source and obtaining a reference voltage correspondingly; monitoring and obtaining a dynamic voltage... Agent: Juan Carlos A. Marquez C/o Stites & Harbison PLLC

20090278479 - Networked, wireless lighting control system with distributed intelligence: A programmable lighting control system integrates time-based, sensor-based, and manual control of lighting and other loads. The system includes one or more groups of controlled lighting areas, which may be, for example, floors of a building. Each group may have one or more lighting zones, which may be, for example,... Agent: Jones Day

20090278480 - Aircraft simulating lighting fixture: A light fixture is provided which is in the form of a simulated aircraft, preferably simulating as accurately as practical a particular known, existing, actual aircraft, such as a military jet, commercial jet, commercial propeller plane, military or civilian helicopter, glider, ultralight, hang glider, or drone. The simulated aircraft has... Agent: Robert A. Vanderhye

20090273282 - Configurable tail light module: The present disclosure provides a tail light module comprising a configurable indicator array that includes a plurality of individually controllable lights that may be activated and deactivated to form a plurality of light patterns.... Agent: Howison & Arnott, L.l.p

20090273283 - Voltage fed programmed start ballast: A lighting ballast (10) includes an inverter portion (12) and a resonant portion (14). During a preheat phase, a filament transformer (110) supplies preheat glow currents to lamp cathodes. Also during the preheat phase, the filament transformer boosts the oscillation frequency of the inverter portion (12) to a frequency above... Agent: Fay Sharpe LLP

20090273284 - Radial hall effect ion injector with a split solenoid field: A closed drift Hall Current accelerator with a split solenoid Hall field, a radial injection collimated gas source, an anode, intermediate Hall effect ionization magnetic field structures and intermediate acceleration electrodes, for injection of ions into the solenoid field. The Hall Effect field in this case is in the gap... Agent: Mark Edward Morehouse

20090273285 - Protection for external electrode fluorescent lamp system: The present invention provides a protection means for a driving circuit which drives a set of external electrode fluorescent lamps (EEFL). The driving circuit with protection function for driving a set of EEFLs consistent with the present invention includes: a transformer connected to the set of EEFLs; a switching network... Agent: O2micro Inc C/o Murabito, Hao & Barnes LLP

20090273286 - Multiple-input electronic ballast with processor: A ballast having a microprocessor embedded therein is controlled via four inputs. The ballast includes a high-voltage phase-controlled signal provided by a dimmer and an infrared (IR) receiver through which the ballast can receive data signals from an IR transmitter. The ballast can also receive commands from other ballasts or... Agent: Woodcock Washburn LLP

20090273287 - Semantic light: A lighting system for delivering a dynamic, fully customized, and automatic illumination to a subject. The lighting system comprises a programmable light unit for emitting a programmed pattern and spectra of illumination, a sensor pod comprising an array of sensors for detecting ambient lighting conditions and subject characteristics, a control... Agent: Merchant & Gould PC

20090273288 - Led driver with dynamic power management: A light emitting diode (LED) system implements a LED driver to drive a set of one or more LED strings. The LED driver includes a voltage source to provide an adjustable output voltage to a head end of each LED string of the set for a first duration and a... Agent: Larson Newman & Abel, LLP

20090273289 - Led light string for decoration with units having replaceable led and housing: A lamp unit includes a power cord having a mating plug at one end and a corresponding mating plug at the other end, a bulb seat, an LED holder, an LED, and a housing. The LED is mounted on the LED holder in a watertight fashion and the LED holder... Agent: Hdls Patent & Trademark Services

20090273290 - Boost led driver not using output capacitor and blocking diode: An LED driver is disclosed that boosts an input voltage to drive any number of LEDs in series. The driver includes a switch-mode current regulator that supplies regulated current pulses to the LEDs. No high voltage output capacitor is used to smooth the current pulses, so the LEDs are turned... Agent: Patent Law Group LLP

20090273291 - Circuit apparatus with a high-side buck transistor: The invention provides a cost-effective driver circuit for an LED background lighting unit (BLU). For this purpose, a buck circuit with an upper transistor (T1) is provided. The buck transistor (1) is driven via two further transistors (Q1, Q2). The first transistor (Q1) is connected with its reference electrode to... Agent: Viering, Jentschura & Partner - Osr

20090273292 - Operating circuit for light-emitting diodes: An operating circuit for at least one light-emitting diode (LED) incorporates a switched-mode regulator circuit to which a DC voltage is fed and which provides a supply voltage for the at least one light-emitting diode (LED) by means of a coil (L1) and a switch (S1) clocked by a control... Agent: Cantor Colburn, LLP

20090273294 - Flat discharge lamp and production method thereof: The present invention provides a flat discharge lamp and the production method thereof. The flat discharge lamp comprises an upper substrate, a lower substrate and a discharge chamber disposed between the upper substrate and the lower substrate, wherein the discharge chamber is filled with an inert gas, and a plurality... Agent: Sinorica, LLC

20090273293 - Light-emitting diodes with carrier extraction electrodes: One embodiment of the present invention relates to a light-emitting diode having one or more light-emitting layers, a pair of electrodes disposed on the light-emitting diode so that an operating voltage can be applied to generate light from the one or more light-emitting layers, and at least one external electrode... Agent: Hewlett-packard Company Intellectual Property Administration

20090273296 - Multiple-input electronic ballast with processor: A ballast having a microprocessor embedded therein is controlled via four inputs. The ballast includes a high-voltage phase-controlled signal provided by a dimmer and an infrared (IR) receiver through which the ballast can receive data signals from an IR transmitter. The ballast can also receive commands from other ballasts or... Agent: Woodcock Washburn LLP

20090273295 - Striking and open lamp regulation for ccfl controller: An apparatus and method for igniting a lamp during a strike mode of an inverter comprising: sequentially controlling a duty cycle sweep and a frequency sweep of driving signals in the inverter to provide an increasing output voltage to the lamp. One embodiment advantageously includes a closed feedback loop to... Agent: Knobbe Martens Olson & Bear LLP

20090273297 - Power factor correction and driver circuits: Power factor correction and driver circuits and stages are described. More particularly, power factor correction circuits are described that utilize an auxiliary inductor winding for power regulation. Driver circuits configured for electrical loads such as series arrangements of light emitting diodes are also described. An exemplary embodiment of a driver... Agent: Mcdermott Will & Emery LLP

20090273298 - Field emission apparatus and driving method thereof: The present invention relates to a field emission apparatus and a method of driving the field emission apparatus, which has a three-pole structure of dual emitters formed on both first and second electrodes of a rear substrate in order to obviate a distinction between a gate and a cathode, thus... Agent: Abelman, Frayne & Schwab

20090273299 - Apparatus and method for controlling the filament voltage in an electronic dimming ballast: An electronic dimming ballast comprises a filament turn-off circuit for controlling the magnitudes of filament voltages supplied to the filaments of a gas discharge lamp. Each of a plurality of filament windings is directly coupled to one of the filaments and is operable to supply a small AC filament voltage... Agent: Lutron Electronics Co., Inc. Mark E. Rose

20090273300 - Variable intensity led illumination system: A variable intensity LED illumination system is configured to provide a change in luminance versus input voltage that corresponds to a desired transfer function, such as the dimming characteristics of an incandescent lamp, which more closely resembles the response of the human eye. The system also advantageously provides overvoltage protection,... Agent: Naval Air Warfare Center Aircraft Division Office Of Counsel Bldg 435

20090273301 - Led driving arrangement: A circuit for driving LEDs includes:—transformer with a secondary winding for driving the LEDs and a primary winding,—a half-bridge arrangement fed with an input voltage and coupled to the transformer,—a resonant circuit between the half-bridge arrangement and the primary winding of the transformer, the resonant circuit having a given resonance... Agent: Viering, Jentschura & Partner - Osr

20090273302 - Artificial window: Disclosed is an artificial window (1) comprising a light box (10) having a rear wall (11) and a planar diffuser arrangement (14) in front of the rear wall (11). The artificial window further comprises at least one first light source (13) extending between the rear wall (11) and the diffuser... Agent: Philips Intellectual Property & Standards

20090273303 - Synchronous light emitting diode lamp string controller: The present invention discloses a synchronous LED lamp string controller, comprising a clock synchronous circuit to receive a reference signal with a constant frequency, and based on which, to generate a system clock; a counter circuit to counter the system clock and generate a clock signal; a control logic circuit... Agent: Bacon & Thomas, PLLC

20090273304 - Apparatus and method for trimming an output parameter of an electronic ballast: An electronic ballast includes a microprocessor which is programmed to read an external voltage value, output a signal which controls an amount of power outputted by the electronic ballast, and adjust the signal based upon a difference between the external voltage value and an internal reference value.... Agent: Greenblum & Bernstein, P.L.C

20090273305 - Control system for fluorescent light fixture: A ballast module regulates power output to a fluorescent light. The ballast module includes a component. A temperature sensor senses temperature of the component. A control module adjusts power output to the fluorescent light based on the temperature of the component sensed by the temperature sensor. The control module adjusts... Agent: Harness, Dickey & Pierce P.L.C

20090267517 - Vehicle headlamp control apparatus, vehicle headlamp control system and vehicle headlamp, high intensity discharge lamp control apparatus, high intensity discharge lamp control system and vehicle headlamp: In vehicle headlamp control apparatuses, which receive a direct current voltage Es, light discharge lamps by square waves, and drive motors, in each of which the number is at least one, arithmetic operations are performed for synchronizing the square waves for lighting the discharge lamps and pulses for driving the... Agent: Greenblum & Bernstein, P.L.C

20090267518 - Electronic ballast and method for operating an electric lamp: The invention relates to an electronic ballast device for operating an electric lamp (2), comprising a first (21) and a second lamp filament (22), wherein the lamp filaments (21, 22) are electrically connected to a heating circuit (3) during a pre-warming phase for the electric lamp (2) said heating circuit... Agent: Viering, Jentschura & Partner - Osr

20090267519 - Led lighting array assembly: A lighting array assembly has a plurality of support members facing different directions and on which emitters are mounted. Each support member has an emitter circuit thereon in operative association with at least one emitter and has a lighting center point. The emitters on each support member are positioned together... Agent: Robert R Hussey Co., Lpa

20090267520 - Lighting control device: A lighting control device includes a current driving portion for DC-controlling or PWM-controlling an LED unit, and a disconnection detection portion for detecting disconnection of the LED unit. The disconnection detection portion has a latch circuit and a reset portion. The latch circuit provides a disconnection detection signal after it... Agent: Fish & Richardson P.C.

20090267521 - Balancing transformers for multi-lamp operation: A ring balancer comprising a plurality of balancing transformers facilitates current sharing in a multi-lamp backlight system. The balancing transformers have respective primary windings separately coupled in series with designated lamps and have respective secondary windings coupled together in a closed loop. The secondary windings conduct a common current and... Agent: Knobbe Martens Olson & Bear LLP

20090267522 - Portable electronic device having a plurality of light elements and method of illuminating same: A portable electronic device operable to indicate received media is disclosed. A first set of lighting units is used to indicate a received media based on an orientation of the portable electronic device. A second set of the lighting units may be activated based on a change in the orientation... Agent: Morrison & Foerster LLP

20090267523 - Driver circuit for light sheet module with direct connection to power source: A light sheet module includes a light sheet having LEDs on a substrate and a driver circuit for the LEDs. The driver circuit includes a first control loop and a second control loop. The first loop contains TRIACS for regulating current from an external AC power source to the LEDs... Agent: Michaud-duffy Group LLP

20090267524 - System and method for performing an illumination copy and paste operation in a lighting system: The invention relates to copying light conditions from one location and pasting into or providing similar light conditions to another location in a lighting system. A light detector (20) is provided which comprises a first sensor (50) configured to receive a first light directly from a first light source (14)... Agent: Philips Intellectual Property And Standards

20090267525 - Led street lamp assembly: An LED street lamp assembly includes a central member having a first LED module fixed to a top surface thereof, a plurality of lamps attached to circumference of the central member and each having a second LED module therein, a plurality of sensors each mounted in one of the lamps... Agent: PCe Industry, Inc. Att. Steven Reiss

20090267526 - Organic light-emitting diode display device: A display device includes a display panel, a power transmitting member and a heat diffusing member. The display panel includes a base substrate, a power input part, a power signal line and a display element. The base substrate has an upper surface and a lower surface opposite the upper surface.... Agent: Cantor Colburn, LLP

20090267527 - System for supplying in-series connected light sources: A supply system for light sources connected in series is powered by one power line (SE), and a plurality of adjustment units (UR1, UR2, . . . , URJ, . . . URN) are interposed between the power line (SE) and an electric circuit (E) for in-series connection of light... Agent: William J. Sapone Coleman Sudol Sapone P.C.

20090267528 - Lamp driving circuit: A lamp driving circuit (10) for operating a discharge lamp has a series arrangement of a first and a second switching device (Q1, Q2) connecting supply voltage input terminals. An inverter resonant circuit (20, 30) shunts one of the switching devices and has an inverter inductance (L1), an inverter capacitance... Agent: Philips Intellectual Property & Standards

20090267529 - Circuit arrangement and method for the operation of a high-pressure gas discharge lamp: Disclosed is a circuit arrangement for supplying a lamp wattage to a high-pressure gas discharge lamp (Lp) in the form of an alternating current having an operating frequency, said operating frequency being frequency-modulated within large limits. The time characteristic of the operating frequency is selected such that more power is... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090267530 - Backlight module for displays: A backlight module includes a light-emitting unit, and a controller to receive a first control signal and generate a second control signal to control the light-emitting unit. The controller controls a frequency of the second control signal according to a duty cycle of the first control signal.... Agent: Fish & Richardson PC

20090267531 - Arrangement for driving led cells: A driving arrangement for feeding a current generated by a high frequency generator (10) coupled with a magnetic element (11) to a plurality of LED cells (33) each including at least one LED. The arrangement includes a respective plurality of LED channels (1, 2, 3, 4; 1′, 2′, 3′, 4′)... Agent: Osram Sylvania Inc

20090267532 - Dimmable control circuit: The present invention relates to a dimmable control circuit, comprising: an ac power source; a transformer; a rectifier circuit; a dimmable control chip; a voltage dividing circuit; a dimmable switch; a first resistor; a second resistor; and a half bridge power driving circuit, capable of outputting signals to drive a... Agent: Sinorica, LLC

20090267535 - Ac power source apparatus: An AC power source apparatus includes an inverter 1c generating a first AC voltage for a load from a DC voltage of a first DC power source through a first switch, an inverter 1d generating a second AC voltage for the load from a DC voltage of the first or... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090267533 - Expandable led module for arbitrarily display assembly: An expandable LED module for arbitrary display assembly, comprises: a print circuit board, used to carry the following devices; at least a light emitting diode, disposed on said print circuit board; a first connecting device, disposed on one side of said print circuit board and coupled to said light emitting... Agent: Sinorica, LLC

20090267534 - Light emitting diode assembly: A circuit in accordance with one embodiment of the invention can include a light emitting diode (LED) assembly comprising a plurality of LED channels that are controlled independently with a switch mode driver. The circuit also includes N+1 wires coupled to said LED assembly, where N is equal to the... Agent: Cypress Semiconductor Corporation

20090267539 - Backlight module: The invention provides a backlight module comprising a plurality of lighting units and at least one balance transformer. Each of the lighting units comprises a first electrode terminal and a second electrode terminal, and the first electrode terminals are coupled to a power source. The at least one balance transformer... Agent: Morris Manning Martin LLP

20090267536 - Fluorescent lamp driver circuit: A fluorescent lamp driver circuit is provided. The fluorescent lamp driver circuit uses reversed current detecting signal to achieve feedback control and circuit protection so as to simplify the driver circuit and reduces the number of the required electronic components. The driver circuit needs a single control unit to control... Agent: Rosenberg, Klein & Lee

20090267538 - Lighting system for avionics applications and control method thereof: Disclosed herein is a lighting system, in particular for an avionics apparatus, having at least a light source and a control unit coupled to the light source and controlling operation thereof based on a management PWM signal; the management PWM signal may have a shape such as to limit radio... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090267540 - Modular lighting systems: In embodiments of the present invention, a method and system is provided for designing improved intelligent, LED-based lighting systems. The LED based lighting systems may include fixtures with one or more of rotatable LED light bars, integrated sensors, onboard intelligence to receive signals from the LED light bars and control... Agent: The Webb Law Firm, P.C.

20090267537 - Motion activated removable blinking shoe light: A motion activated removable waterproof multi-colored blinking shoe light comprising a decorative top which attaches to a shoe by means of any appropriate fastening means such as a thin rubber or plastic snap, loop for receiving a shoe lace, any other loop, clasp, or pinching device, for example, is provided.... Agent: Ruth Eure

20090267541 - Led lamp control circuit having power saving function and power saving control method thereof: A light emitting diode (LED) lamp control circuit having power saving function includes a control switch, a LED lamp, a battery, and a controller. The battery is connected to the LED lamp to supply power via the control switch. The controller is connected to the control switch and the battery... Agent: PCe Industry, Inc. Att. Steven Reiss

20090267543 - Betatron with a removable accelerator block: A betatron is provided, particularly in an x-ray inspection station, comprising an accelerator block that is provided with a rotationally symmetrical inner yoke composed of two spaced-apart pieces, at least one main field coil, and a toroidal betatron tube which is disposed between the pieces of the inner yoke. The... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090267542 - Betatron with a variable orbit radius: A betatron, especially for an X-ray testing apparatus is provided that includes a rotationally symmetrical inner yoke having two interspaced parts, at least one round plate that is arranged between the inner yoke parts in such a way that the longitudinal axis thereof coincides with the rotational symmetrical axis of... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090261730 - High-pressure discharge lamp with improved ignitability and high-voltage pulse generator: High pressure discharge lamp (20) with improved ignitability. A spiral pulse generator (1) that is directly mounted inside the outer piston (12) of the lamp is used for igniting the high pressure discharge lamp.... Agent: Viering, Jentschura & Partner - Osr

20090261731 - Control circuit for turning on/off automobile lights: A control circuit for turning on/off automobile lights is connected to first, second and third power output units and an input trigger circuit. When a car is started, the second power output unit supplies power to the control circuit. Thereafter, the third power output unit supplies power to the control... Agent: Bacon & Thomas, PLLC

20090261732 - Low loss input channel detection device for a direct current powered lighting system: A device used with a direct current power source for energizing a lamp. The device includes a plurality of input channels selectively connected to the power source for providing current to the lamp. For each input channel, the device includes a corresponding current sensing component connected to the input channel,... Agent: Senniger Powers LLP (osr)

20090261733 - Monitoring device: A monitoring device for monitoring at least one fluorescent lamp, particularly in areas at risk of explosion, which fluorescent lamp has a lamp tube with electrodes arranged on the ends thereof in the form of coils, and lamp sockets assigned to said electrodes, is improved for preventing large temperature increases... Agent: Fish & Richardson P.C.

20090261734 - Method of programming a lighting preset from a radio-frequency remote control: The present invention provides a method of programming a preset intensity of a dimmer switch from a radio-frequency (RF) remote control. A user is able to adjust the intensity of the lighting load to a new intensity and subsequently press and hold a preset button on the remote control to... Agent: Lutron Electronics Co., Inc. Mark E. Rose

20090261735 - Lighting system to facilitate remote modification of a light fixture modifiable operating parameter: A lighting system comprises a light fixture (100) and a corresponding remote control transmitter (200). The light fixture can comprise at least one electrically energizable light source (102), at least one local condition sensor (103), a receiver (105), a memory (104), and a controller (101). The controller automatically controls energization... Agent: Fitch Even Tabin & Flannery

20090261736 - Illuminating device: A solar charged or solar powered illuminating device comprises a shell and a lampshade, wherein said shell is capable of being hung on a transparent surface comprising a backlight surface and a light-receiving surface, wherein said light-receiving surface is abutted against said transparent outward surface, said shell further comprising: a... Agent: Kening Li Pinsent Masons LLP

20090261737 - Motion activated utility light: A utility light is provided. The utility light comprises a first array of light sources having a first color facing in a first direction, a second array of light sources having a second color facing in a second direction that substantially opposes the first direction, a motion sensor, and an... Agent: Conley Rose, P.C.

20090261738 - Driving method for photo transistor and photo sensor and flat panel display using the same: A driving method for a photo transistor includes providing an alternating current (AC) voltage to a gate electrode of the photo transistor. A photo sensor using the driving method and a flat panel display using the photo sensor are also provided.... Agent: Wei Te Chung Foxconn International, Inc.

20090261739 - Portable electronic device and light flickering method for light emitting element thereof: A portable electronic device and a light flickering method for light emitting elements thereof are both disclosed herein. The portable electronic device includes at least one light emitting element. The light flickering method comprises the following steps: setting personalized light flickering data with a user interface; storing the personalized light... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090261741 - Cover figure-displaying device for an electronic device: A cover figure-displaying device for an electronic device includes a cover, a controller, and a light-emitting matrix. The cover has at least one figure. The controller has GPIO pins. The light-emitting matrix includes at least one light-emitting device connected with the controller. The controller controls the GPIO pins to select... Agent: Rabin & Berdo, PC

20090261740 - Led driver structure: The present invention discloses an LED driver structure, which obtains input power coming from a power source to generate a constant-current power to drive a plurality of LEDs, and which comprises: a plurality of diode groups connected in parallel, a first piezoelectric conversion unit and a second piezoelectric conversion unit... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090261742 - Led assembly and an improved power supply circuit thereof: An LED device comprises an LED assembly and a power supply circuit. The power supply circuit includes an AC circuit connecting to the power source, a DC circuit coupling with the AC circuit, a driving circuit and a snubber circuit connected with each other and located between the DC circuit... Agent: PCe Industry, Inc. Att. Steven Reiss

20090261743 - Light emitting diode driving module: An LED driving module suitable to drive a plurality of LED strings in parallel connection is disclosed. The LED driving module includes a voltage converting apparatus, a conduction voltage detecting apparatus, a reference voltage generating apparatus and a current-adjusting apparatus. The voltage converting apparatus produces a driving voltage according to... Agent: Jianq Chyun Intellectual Property Office

20090261744 - Phase-control dimming electronic ballast system and control method thereof: A phase-control dimming electronic ballast system and the control method thereof, wherein the system includes a phase controller, a converter, an inverter and a system controller. Moreover, the system controller senses a firing angle from the phase controller, and adjusts the output voltage of the converter and the switching frequency... Agent: Rosenberg, Klein & Lee

20090261745 - Enhanced trip resolution voltage-controlled dimming led driving circuit: Each driver circuit for a six-by-four array of light emitting diodes illuminating a pushbutton switch switches three pairs of the light emitting diodes between series connection and parallel connection based on changes to an applied input voltage. Driving six light emitting diodes instead of only four allows illumination of a... Agent: Docket Clerk

20090261746 - Control of light intensity using pulses of a fixed duration and frequency: A method and circuit to control the intensity of lights, illumination fixtures, and displays using pulses of a fixed duration and a fixed frequency (FD/FF) is provided. In particular, the method may be used to control one more light sources. By varying the number of pulses in a control burst,... Agent: Mcdermott Will & Emery LLP

20090261747 - Control system for multiple fluorescent lamps: The present invention is directed to an apparatus that drives a lighting system with multiple lamps. A phase shift mechanism is produced either by a digital method, an analog method, or a mixture of the two methods. In a digital method, phase shifts are generated by digital circuits comprising counters,... Agent: Baker & Mckenzie LLP Patent Department

20090261748 - Modified dimming led driver: A driver circuit produces variable current output for an LED lighting system providing improved dimming capability and greater power efficiency when responding to industry standard lighting dimmers, through the use of an input voltage monitoring circuit which variably controls the current output of a switching regulator. Output current modulation methods... Agent: John J. Yim & Associates, LLC East Building

20090261749 - Apparatus and method for automatically trimming an output parameter of an electronic ballast: An electronic ballast includes a microprocessor which is programmed to read a voltage value corresponding to an output of the electronic ballast, output a signal which controls an amount of power outputted by the electronic ballast in accordance with the voltage value, read an external voltage value, and select one... Agent: Greenblum & Bernstein, P.L.C

20090261750 - Encoding device for light-emitting-diode lamp, lamp, and controlled lighting system: A controlled lighting system includes an encoding device and a lamp. The encoding device includes a rectifier for rectifying an AC voltage input to result in a rectified signal, and an encoder for generating an encoded signal from the rectified signal and display data. The encoded signal has consecutive signal... Agent: Rosenberg, Klein & Lee

20090261751 - Fluorescent light temperature sensor: A fluorescent light temperature sensor for producing a temperature signal from a fluorescent light of an optically stimulated fluorescent material is provided with: an LED for projecting light onto the fluorescent material; a driving circuit for driving the light projecting element; a photo diode for receiving the fluorescent light that... Agent: Darby & Darby P.C.

20090261752 - Ballast: A ballast comprising a first input terminal, a second input terminal, a switch circuit, and a plurality of lamp sets is provided. The switch circuit comprises a first switch and a second switch connected with the first one. The switches are connected with the first and second input terminals respectively.... Agent: Holland & Knight LLP

20090261754 - Lamp driving circuit: The present invention relates to a lamp driving circuit capable of achieving miniaturization by using a safe insulation type multi-output transformer. The lamp driving circuit in accordance with the present invention includes a rectification unit for rectifying an input voltage; a PFC (Power Factor Correction) unit for enhancing a power... Agent: Lowe Hauptman Ham & Berner, LLP

20090261753 - Load driving circuit and method of setting load current thereof: A load driving circuit is disclosed that allows a charge pump circuit to operate at an optimum step-up ratio without frequently changing the step-up ratio. The load driving circuit includes a step-up circuit; a current setting circuit that sets a value of an electric current to be supplied to a... Agent: Cooper & Dunham, LLP

20090261755 - Inverter circuit, backlight device and liquid crystal display having the same: An inverter circuit for a backlight device includes an inverter transformer which supplies a high AC voltage to a plurality of discharge tubes, a filter circuit connected to an output terminal of the inverter transformer, and an abnormal discharge detection circuit. The filter circuit passes a current signal having a... Agent: Cantor Colburn, LLP

20090261757 - Backlight driving circuit and driving method thereof: A backlight driving circuit includes a driving unit, a light source, a power supply circuit, and a controller connected to the driving unit. The power supply circuit includes a low voltage output terminal for outputting a low DC voltage and a high voltage output terminal for outputting a high DC... Agent: Wei Te Chung Foxconn International, Inc.

20090261759 - Device and process for uniformly lighting an operating area: A device and a process are provided for uniformly lighting an operating area for performing the lighting of an operating area (2) of a bed (30) by means of a lighting unit (3) such that a selected lighting field (13) is lighted uniformly. The image signals of a camera (7)... Agent: Mcglew & Tuttle, PC

20090261758 - Light source driving device: A light source driving device drives a plurality of light sources. A Power Factor Circuit (PFC) circuit converts a received electrical signal to a DC signal and output to a DC/AC converting circuit. The DC/AC converting circuit converts the DC signal to another AC signal, which is isolated by the... Agent: PCe Industry, Inc. Att. Steven Reiss

20090261756 - Method of shutting down a high pressure discharge lamp and driving unit for driving a high pressure discharge lamp: The invention describes a method of shutting down a high pressure discharge lamp (1) in which a pair of electrodes (2) is disposed in an arc tube (3), which method comprises reducing, upon receipt of a shut-down request (SR), the lamp power (P) towards a reduced power level (PR) required... Agent: Philips Intellectual Property & Standards

20090261760 - H-mode drift-tube linac and design method therefor: A linearity of a voltage change to a tuner insertion amount is verified for at least one of a plurality of tuners. Based on the voltage change linearity, individual voltage change data corresponding to respective insertion amounts are calculated for each of the plurality of tuners through a proportional calculation.... Agent: Blakely Sokoloff Taylor & Zafman LLP