Electric lamp and discharge devices: systems inventions 10/08

20080258624 - Bowtie deflector cavity for a linear beam device: A resonant cavity with a bowtie shape supports an electromagnetic field used to deflect the trajectory of an electron beam passing through the cavity. The short transit time of the beam across the gap maintains the cavity fields at near-optimal phase, improving interaction efficiency even for relatively low-energy beams. High... Agent: O'melveny & Myers LLP Ip&t Calendar Department La-1118

20080258625 - Method and apparatus for interaction with a modulated off-axis electron beam: An output circuit for a microwave tube is provided that has generally high interaction impedance for good efficiency, has high average power capability, and is physically large for a given operating frequency. The output circuit is designed to operate in conjunction with an off-axis, bunched electron beam. Electromagnetic fields are... Agent: O'melveny & Myers LLP Ip&t Calendar Department La-1118

20080258626 - Organic el display device: The present invention allows an organic EL display device to perform display with high definition by reducing an area of each pixel forming a display region of the display device. A drive TFT for driving an organic EL element, a storage capacitance connected with a gate of the drive TFT,... Agent: Stanley P. Fisher Reed Smith LLP

20080258627 - Frequency tunable resonant cavity for use with an electrodeless plasma lamp: A plasma lamp is described with resonant frequency tuning capability and associated methods for tuning. One tuning method allows plasma lamp manufacturer to set the frequency of lamps to several discrete predetermined values. For example, most lamps that are near the center of a frequency distribution can be tuned to... Agent: Schwegman, Lundberg & Woessner, P.A.

20080258628 - Light emitting diode emergency lighting methods and apparatus: An LED based emergency lighting system is described. Unlike a typical approach in which one lighting system provides normal ambient lighting and a second different system provides auxiliary emergency lighting, a common integrated system can be satisfactorily employed.... Agent: Priest & Goldstein PLLC

20080258629 - Apparatus and method for extracting power from and controlling temperature of a fluorescent lamp: An apparatus and method are provided for extracting power from and controlling temperature of a fluorescent lamp. The apparatus includes a magnetic structure having a magnetic core and a power extraction winding disposed at least partially around the magnetic core. The magnetic core is sized and configured to surround at... Agent: Heslin Rothenberg Farley & Mesiti PC

20080258630 - Light string lamp bypass device: A light string lamp bypass device is comprised of a plug and a conducting member. The plug is shaped and sized to releasably fit within a lamp socket of the light string. The conducting member is attached to the plug. It is shaped, sized and positioned upon the plug such... Agent: Gregory T. Zalecki

20080258631 - Light-adjusting and current-limiting control circuit: A light-adjusting and current-limiting control circuit for a lamp includes a sampling circuit formed of a manganese-copper line or a current transformer, a power circuit provided with resistors, capacitors, diodes, a Varistor and a zener diode, a signal adjusting circuit composed of diodes, resistors, a varistor, triacs and capacitors, and... Agent: Bacon & Thomas, PLLC

20080258632 - Method for driving a light source, light source driving circuit thereof, light source assembly having the light source driving circuit and display apparatus having the same: A method of driving a light source driving circuit includes: applying driving signals, each having a reference frequency different than the reference frequency of other driving signals, to respective color light sources, each emitting a color light; generating a sensing signal based on a sensed mixed light emitted from the... Agent: Cantor Colburn, LLP

20080258633 - Building optimization system and lighting switch: A building optimization system for optimizing an environment of a building is disclosed. The building optimization system includes a number of building optimization switches for controlling the environment of a corresponding space in a building according to a plurality of operation modes. The environment at least includes first and second... Agent: Mintz, Levin, Cohn, Ferris, Glovsky And Popeo, P.c Attn: Patent Intake Customer No. 64046

20080258634 - Digital controlled multi-light driving apparatus: A digital controlled multi-light driving apparatus of the invention is for driving and controlling at least one AC-driven light and at least one DC-driven light. The digital controlled multi-light driving apparatus includes at least one first oscillation step-up circuit for driving the AC-driven light, at least one second oscillation step-up... Agent: Birch Stewart Kolasch & Birch

20080258635 - Plasma display and driving apparatus thereof: A plasma display is provided. The plasma display includes a plasma display panel (PDP) having first electrodes, second electrodes, and third electrodes; a power supply for supplying a first voltage, a second voltage and a third voltage; a driving circuit for driving at least one of the first electrodes; and... Agent: Christie, Parker & Hale, LLP

20080258636 - Led driver with current sink control and applications of the same g: A backlight system for use in an LCD display with a driver providing current sink control includes an LED array module, a current feedback circuit, and a current compensation circuit. The LED array module has N columns of LEDs and each LED column has M LEDs connected in serial, wherein... Agent: Morris Manning Martin LLP

20080258637 - Light emitting element driver and control method therefor: A method of controlling a light emitting element to compensate for reduced brightness includes accumulating a power-on time of the light emitting element and adjusting a light emitting element driving signal in order to adjust the power supplied to the light emitting element dependent on the power-on time of the... Agent: Freescale Semiconductor, Inc. Law Department

20080258638 - Method and circuit arrangement for operating a high-pressure gas discharge lamp: A description is given of a method and a circuit arrangement for operating a high-pressure gas discharge lamp with a lamp current superposed with first current pulses, in particular in a system for the time-sequential production of (primary) colors and possibly white segments, from which an image to be displayed... Agent: Philips Intellectual Property & Standards

20080258639 - Phase shift circuit and backlight unit having the same: Disclosed is a phase shift circuit. The phase shift circuit comprises a frequency multiplier outputting a square wave signal by frequency-multiplying a reference signal, a frequency synchronizer receiving the square wave signal to output a triangle wave signal, and a PWM nodule receiving the triangle wave signal to output a... Agent: Birch Stewart Kolasch & Birch

20080258640 - Discharge lamp lighting apparatus: A discharge lamp lighting apparatus includes: an inverter circuit; a lamp current detecting portion; and a burst mode control circuit which includes a noise reduction circuit including: an error amplification circuit to receive a feedback signal from the lamp current detecting portion; and a frequency response reduction circuit connected to... Agent: Oliff & Berridge, PLC

20080258642 - Lamp base with electrical device recharging receptacle and method: A lamp base having an electrical device recharging receptacle configured to receive a plug from a recharging device for a portable rechargeable electronic device. The receptacle is configured as a standard automobile cigarette lighter receptacle. The receptacle includes standard cigarette lighter receptacle electrical contacts that are connected to a voltage... Agent: Osha Liang L.L.P.

20080258644 - Load control device having a modular assembly: A load control device has a modular assembly to allow for easy adjustment of the aesthetic and the color of the load control device after installation. The load control device comprises a user interface module and a base module. The user interface module includes an actuation member for receiving a... Agent: Lutron Electronics Co., Inc. Mark E. Rose

20080258643 - Method for driving alternate current of light emitting diode and operating voltage thereof: A method for driving AC of light emitting diodes includes an AC obtaining measure for obtaining an AC sine wave signal having positive and negative half-cycle waveforms; a power modulation measure for modulating the AC sine wave signal and an impedance of first and second LED groups according to at... Agent: Joe Mckinney Muncy

20080258641 - Power supply for semiconductor light emitting device and illuminating device: The present invention provides a power supply for a semiconductor light emitting device capable of efficiently modulating and driving a current-driven semiconductor light emitting device. An LED 31, a switching element 32, which modulates and drives the LED 31, and an average current detector 12, which detects an average current... Agent: Rader Fishman & Grauer PLLC

20080258645 - Backlight inverter and liquid crystal display using the same: A backlight inverter includes a transformer boosting an input voltage at a ratio of a primary winding to a secondary winding of the transformer and outputting a first voltage and a second voltage; a protection level signal generator causing a phase delay between the first voltage and the second voltage,... Agent: F. Chau & Associates, LLC

20080258648 - Adaptive drive for dielectric barrier discharge (dbd) lamp: The present invention relates to an adaptive driver for driving a gas discharge lamp and a method for operating a gas discharge lamp driven by an adaptive driver, especially a capacitive gas discharge lamp and more especially a dielectric barrier discharge (DBD) lamp in a permanent optimized mode comprising the... Agent: Philips Intellectual Property & Standards

20080258646 - Device for lighting a room: The present invention deals with a lighting control system suitable for small system configurations such as in offices and conference rooms. One or more luminaires are communicatively connected in an addressable digital bus system as well as to a unit including a processing means. In connection with installation of the... Agent: Philips Intellectual Property & Standards

20080258647 - Dimming circuit for led lighting device with means for holding triac in conduction: The invention disclosed herein is a dynamic dummy load to allow a phase control dimmer to be used with LED lighting. The invention includes providing a dynamic dummy load to provide a load to the dimmer when the LED electronics do not provide sufficient load due to start up issues... Agent: Barnes & Thornburg LLP

20080258649 - Interchangeable led bulbs: Disclosed are circuits that allow LED bulbs to be replaced regardless of color or construction of the LED element. When used for an LED light string, replacing an LED bulb does not affect the operation of the entire string. When used for other illumination purpose, for example, room light, the... Agent: Cochran Freund & Young LLC

20080258651 - Method and system for open lamp protection: A detector circuit monitors the phase relationship between the lamp voltage and the excitation voltage, and if one or more conditions are met, triggers the open lamp protection process in a discharge lamp system. The detection circuit can be incorporated into a lamp voltage feedback circuit and implemented on the... Agent: Perkins Coie LLP Patent-sea

20080258650 - Multiple location load control system: A multiple location load control system comprises a main device and remote devices, which do not require neutral connections, but allow for visual and audible feedback at the main device and the remote devices. The main device and the remote devices are adapted to be coupled in series electrical connection... Agent: Lutron Electronics Co., Inc. Mark E. Rose

20080258652 - Power control circuit for adjusting light: The present invention discloses a power control circuit for adjusting light, which adopts both frequency modulation and amplitude modulation for the control and starts using the amplitude modulation control after the frequency change exceeds a predetermined limit range, such that the voltage and frequency for driving the lamp set fall... Agent: Joe Mckinney Muncy

20080258653 - Cyclotron having permanent magnets: An apparatus for an improved cyclotron for producing radioisotopes especially for use in association with medical imaging. The improved cyclotron is configured without a conventional electromagnetic coil. A plurality of dees and a plurality of permanent magnets are alternately disposed in a circular array, each defining a channel through which... Agent: Pitts And Brittian P C

20080258624 - Bowtie deflector cavity for a linear beam device: A resonant cavity with a bowtie shape supports an electromagnetic field used to deflect the trajectory of an electron beam passing through the cavity. The short transit time of the beam across the gap maintains the cavity fields at near-optimal phase, improving interaction efficiency even for relatively low-energy beams. High... Agent: O'melveny & Myers LLP Ip&t Calendar Department La-1118

20080258625 - Method and apparatus for interaction with a modulated off-axis electron beam: An output circuit for a microwave tube is provided that has generally high interaction impedance for good efficiency, has high average power capability, and is physically large for a given operating frequency. The output circuit is designed to operate in conjunction with an off-axis, bunched electron beam. Electromagnetic fields are... Agent: O'melveny & Myers LLP Ip&t Calendar Department La-1118

20080258626 - Organic el display device: The present invention allows an organic EL display device to perform display with high definition by reducing an area of each pixel forming a display region of the display device. A drive TFT for driving an organic EL element, a storage capacitance connected with a gate of the drive TFT,... Agent: Stanley P. Fisher Reed Smith LLP

20080258627 - Frequency tunable resonant cavity for use with an electrodeless plasma lamp: A plasma lamp is described with resonant frequency tuning capability and associated methods for tuning. One tuning method allows plasma lamp manufacturer to set the frequency of lamps to several discrete predetermined values. For example, most lamps that are near the center of a frequency distribution can be tuned to... Agent: Schwegman, Lundberg & Woessner, P.A.

20080258628 - Light emitting diode emergency lighting methods and apparatus: An LED based emergency lighting system is described. Unlike a typical approach in which one lighting system provides normal ambient lighting and a second different system provides auxiliary emergency lighting, a common integrated system can be satisfactorily employed.... Agent: Priest & Goldstein PLLC

20080258629 - Apparatus and method for extracting power from and controlling temperature of a fluorescent lamp: An apparatus and method are provided for extracting power from and controlling temperature of a fluorescent lamp. The apparatus includes a magnetic structure having a magnetic core and a power extraction winding disposed at least partially around the magnetic core. The magnetic core is sized and configured to surround at... Agent: Heslin Rothenberg Farley & Mesiti PC

20080258630 - Light string lamp bypass device: A light string lamp bypass device is comprised of a plug and a conducting member. The plug is shaped and sized to releasably fit within a lamp socket of the light string. The conducting member is attached to the plug. It is shaped, sized and positioned upon the plug such... Agent: Gregory T. Zalecki

20080258631 - Light-adjusting and current-limiting control circuit: A light-adjusting and current-limiting control circuit for a lamp includes a sampling circuit formed of a manganese-copper line or a current transformer, a power circuit provided with resistors, capacitors, diodes, a Varistor and a zener diode, a signal adjusting circuit composed of diodes, resistors, a varistor, triacs and capacitors, and... Agent: Bacon & Thomas, PLLC

20080258632 - Method for driving a light source, light source driving circuit thereof, light source assembly having the light source driving circuit and display apparatus having the same: A method of driving a light source driving circuit includes: applying driving signals, each having a reference frequency different than the reference frequency of other driving signals, to respective color light sources, each emitting a color light; generating a sensing signal based on a sensed mixed light emitted from the... Agent: Cantor Colburn, LLP

20080258633 - Building optimization system and lighting switch: A building optimization system for optimizing an environment of a building is disclosed. The building optimization system includes a number of building optimization switches for controlling the environment of a corresponding space in a building according to a plurality of operation modes. The environment at least includes first and second... Agent: Mintz, Levin, Cohn, Ferris, Glovsky And Popeo, P.c Attn: Patent Intake Customer No. 64046

20080258634 - Digital controlled multi-light driving apparatus: A digital controlled multi-light driving apparatus of the invention is for driving and controlling at least one AC-driven light and at least one DC-driven light. The digital controlled multi-light driving apparatus includes at least one first oscillation step-up circuit for driving the AC-driven light, at least one second oscillation step-up... Agent: Birch Stewart Kolasch & Birch

20080258635 - Plasma display and driving apparatus thereof: A plasma display is provided. The plasma display includes a plasma display panel (PDP) having first electrodes, second electrodes, and third electrodes; a power supply for supplying a first voltage, a second voltage and a third voltage; a driving circuit for driving at least one of the first electrodes; and... Agent: Christie, Parker & Hale, LLP

20080258636 - Led driver with current sink control and applications of the same g: A backlight system for use in an LCD display with a driver providing current sink control includes an LED array module, a current feedback circuit, and a current compensation circuit. The LED array module has N columns of LEDs and each LED column has M LEDs connected in serial, wherein... Agent: Morris Manning Martin LLP

20080258637 - Light emitting element driver and control method therefor: A method of controlling a light emitting element to compensate for reduced brightness includes accumulating a power-on time of the light emitting element and adjusting a light emitting element driving signal in order to adjust the power supplied to the light emitting element dependent on the power-on time of the... Agent: Freescale Semiconductor, Inc. Law Department

20080258638 - Method and circuit arrangement for operating a high-pressure gas discharge lamp: A description is given of a method and a circuit arrangement for operating a high-pressure gas discharge lamp with a lamp current superposed with first current pulses, in particular in a system for the time-sequential production of (primary) colors and possibly white segments, from which an image to be displayed... Agent: Philips Intellectual Property & Standards

20080258639 - Phase shift circuit and backlight unit having the same: Disclosed is a phase shift circuit. The phase shift circuit comprises a frequency multiplier outputting a square wave signal by frequency-multiplying a reference signal, a frequency synchronizer receiving the square wave signal to output a triangle wave signal, and a PWM nodule receiving the triangle wave signal to output a... Agent: Birch Stewart Kolasch & Birch

20080258640 - Discharge lamp lighting apparatus: A discharge lamp lighting apparatus includes: an inverter circuit; a lamp current detecting portion; and a burst mode control circuit which includes a noise reduction circuit including: an error amplification circuit to receive a feedback signal from the lamp current detecting portion; and a frequency response reduction circuit connected to... Agent: Oliff & Berridge, PLC

20080258642 - Lamp base with electrical device recharging receptacle and method: A lamp base having an electrical device recharging receptacle configured to receive a plug from a recharging device for a portable rechargeable electronic device. The receptacle is configured as a standard automobile cigarette lighter receptacle. The receptacle includes standard cigarette lighter receptacle electrical contacts that are connected to a voltage... Agent: Osha Liang L.L.P.

20080258644 - Load control device having a modular assembly: A load control device has a modular assembly to allow for easy adjustment of the aesthetic and the color of the load control device after installation. The load control device comprises a user interface module and a base module. The user interface module includes an actuation member for receiving a... Agent: Lutron Electronics Co., Inc. Mark E. Rose

20080258643 - Method for driving alternate current of light emitting diode and operating voltage thereof: A method for driving AC of light emitting diodes includes an AC obtaining measure for obtaining an AC sine wave signal having positive and negative half-cycle waveforms; a power modulation measure for modulating the AC sine wave signal and an impedance of first and second LED groups according to at... Agent: Joe Mckinney Muncy

20080258641 - Power supply for semiconductor light emitting device and illuminating device: The present invention provides a power supply for a semiconductor light emitting device capable of efficiently modulating and driving a current-driven semiconductor light emitting device. An LED 31, a switching element 32, which modulates and drives the LED 31, and an average current detector 12, which detects an average current... Agent: Rader Fishman & Grauer PLLC

20080258645 - Backlight inverter and liquid crystal display using the same: A backlight inverter includes a transformer boosting an input voltage at a ratio of a primary winding to a secondary winding of the transformer and outputting a first voltage and a second voltage; a protection level signal generator causing a phase delay between the first voltage and the second voltage,... Agent: F. Chau & Associates, LLC

20080258648 - Adaptive drive for dielectric barrier discharge (dbd) lamp: The present invention relates to an adaptive driver for driving a gas discharge lamp and a method for operating a gas discharge lamp driven by an adaptive driver, especially a capacitive gas discharge lamp and more especially a dielectric barrier discharge (DBD) lamp in a permanent optimized mode comprising the... Agent: Philips Intellectual Property & Standards

20080258646 - Device for lighting a room: The present invention deals with a lighting control system suitable for small system configurations such as in offices and conference rooms. One or more luminaires are communicatively connected in an addressable digital bus system as well as to a unit including a processing means. In connection with installation of the... Agent: Philips Intellectual Property & Standards

20080258647 - Dimming circuit for led lighting device with means for holding triac in conduction: The invention disclosed herein is a dynamic dummy load to allow a phase control dimmer to be used with LED lighting. The invention includes providing a dynamic dummy load to provide a load to the dimmer when the LED electronics do not provide sufficient load due to start up issues... Agent: Barnes & Thornburg LLP

20080258649 - Interchangeable led bulbs: Disclosed are circuits that allow LED bulbs to be replaced regardless of color or construction of the LED element. When used for an LED light string, replacing an LED bulb does not affect the operation of the entire string. When used for other illumination purpose, for example, room light, the... Agent: Cochran Freund & Young LLC

20080258651 - Method and system for open lamp protection: A detector circuit monitors the phase relationship between the lamp voltage and the excitation voltage, and if one or more conditions are met, triggers the open lamp protection process in a discharge lamp system. The detection circuit can be incorporated into a lamp voltage feedback circuit and implemented on the... Agent: Perkins Coie LLP Patent-sea

20080258650 - Multiple location load control system: A multiple location load control system comprises a main device and remote devices, which do not require neutral connections, but allow for visual and audible feedback at the main device and the remote devices. The main device and the remote devices are adapted to be coupled in series electrical connection... Agent: Lutron Electronics Co., Inc. Mark E. Rose

20080258652 - Power control circuit for adjusting light: The present invention discloses a power control circuit for adjusting light, which adopts both frequency modulation and amplitude modulation for the control and starts using the amplitude modulation control after the frequency change exceeds a predetermined limit range, such that the voltage and frequency for driving the lamp set fall... Agent: Joe Mckinney Muncy

20080258653 - Cyclotron having permanent magnets: An apparatus for an improved cyclotron for producing radioisotopes especially for use in association with medical imaging. The improved cyclotron is configured without a conventional electromagnetic coil. A plurality of dees and a plurality of permanent magnets are alternately disposed in a circular array, each defining a channel through which... Agent: Pitts And Brittian P C

20080252217 - Pixel, organic light emitting display using the same, and associated methods: An organic light emitting display includes a scan driver configured to sequentially supply a scan signal to scan lines and sequentially supply a light emitting control signal to light emitting control lines, a data driver configured to supply a data signal to data lines, and pixels arranged coupled to the... Agent: Lee & Morse, P.C.

20080252218 - Low-pressure mercury vapor discharge lamp: A low-pressure mercury vapor discharge lamp is operable in a first mode of operation (“normal mode”) and a second mode of operation (“emergency operation”). The discharge lamp comprises a discharge vessel (10) enclosing a discharge space (13) provided with a filling of mercury and an inert gas. The discharge vessel... Agent: Philips Intellectual Property & Standards

20080252219 - Ignition control device: The invention provides an ignition control device and a killing control device correspond. An ignition control device comprises an ignition circuit module and a killing control device corresponds. The ignition circuit module comprises a killing control device including a killing switch and a timing retard circuit module connected to the... Agent: Dority & Manning, P.A.

20080252220 - Series wired light string with shunts and flasher bulbs for exhibiting a twinkling effect: A circuit to cause the dimming and brightening of a series connected light string periodically by providing a unidirectional shunt and a flasher bulb in at least one of the sockets to intermittently cause the string to go to its dimmer state when the flasher bulb goes out and the... Agent: Dickstein Shapiro LLP

20080252221 - Protection device for discharge lamp inverter: The present invention discloses a protection device for a discharge lamp inverter, which is electrically coupled to an inverter outputting at least two opposite-phase powers to drive at least one discharge lamp via at least two power cables. The protection circuit of the present invention comprises the following components: at... Agent: Joe Mckinney Muncy

20080252222 - Systems and methods for driving light-emitting diodes: At least some embodiments include a LED driver system. The system includes multiple branches of series-coupled LEDs, multiple current sources, and control logic. Each of the current sources is coupled to a separate branch of series-coupled LEDs. The control logic is coupled to the current sources, and is configured to... Agent: Texas Instruments Incorporated

20080252223 - Organic el display device: The present invention provides an organic EL display device with high detection accuracy which can enhance both of light emission efficiency and light reception efficiency. In an organic EL display device which includes organic thin film elements, a power source line is connected to the organic thin film elements via... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080252224 - Ballast with socket-to-fixture voltage limiting: A ballast (10′) for powering at least one gas discharge lamp (32) comprises an inverter (100) and an output circuit (200′). Output circuit (200′) includes an output transformer (230) and output connections (202, . . . ,210) for connection to one or more lamps (32,34). A secondary winding (234) of... Agent: Fitch Even Tabin And Flannery

20080252225 - Dielectric barrier discharge lamp lighting device: A dielectric barrier discharge lamp lighting device includes a transformer that supplies a driving voltage to a dielectric barrier discharge lamp from a secondary coil, and a driving circuit that controls an input voltage to the transformer to supply a driving voltage with a driving frequency fd to the dielectric... Agent: Wenderoth, Lind & Ponack L.L.P.

20080252226 - Light source driving device: A light source driving device includes a power stage circuit, a first transformer circuit, a second transformer circuit, and a feedback control circuit. The power stage circuit converts a received signal to an alternating current (AC) signal, which includes a synchronizing switching bridge arm, a first bridge arm, and a... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20080252227 - Method and circuit for driving gas discharge lamps using a single inverter: For driving one or more gas discharge lamps (2) to conduct or to block at any time and at the same time, a rectangular high voltage is generated from a high DC voltage, an alternating voltage with respect to a reference voltage (V−) is generated from the rectangular voltage, the... Agent: Philips Intellectual Property & Standards

20080252228 - Hid ballast: A method and apparatus are disclosed for providing current to a load. The apparatus includes a full or half bridge switching circuit, including at least one switching element for supplying power to a load when switched on and means for switching a state of the switching element only at a... Agent: Klarquist Sparkman, LLP

20080252229 - High efficiency ac led driver circuit: In an AC drive circuit for LEDs, a current limiting capacitor connects to an AC source, a first circuit portion, including a first rectifying diode and a first power capacitor, connects between the current limiting capacitor and the source and a second circuit portion, including a second rectifying diode in... Agent: Koppel, Patrick & Heybl

20080252230 - Imaging apparatus, strobe device, and charging-control method: An imaging apparatus including a strobe device having a charging circuit of a separately excited oscillation type is provided. The apparatus includes a main capacitor in which charge is accumulated to supply power to a strobe-light-flashing unit, a step-up transformer including at least primary and secondary coils, a switching element... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080252231 - Light source driving device: A light source driving device for driving a light source module (22), includes a power stage circuit (20), a transformer and resonance circuit (21), a current balancing circuit (23), a feedback control circuit (25) and an fault detecting circuit (24). The power stage circuit converts received signals to alternating current... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20080252232 - Magnetic ballast fault isolation system and method: A magnetic ballast fault isolation system and method, with a fault isolation system including a magnetic ballast 22 having a current input 24, the magnetic ballast 22 having an operational current rating and an inrush current rating; and a fast acting fuse 26 operably connected in series with the current... Agent: Philips Intellectual Property & Standards

20080252233 - Universal line voltage dimming method and system: A universal line voltage dimming method and system, with a control circuit for an electronic ballast including an on-time converter (50) generating an on-time signal (54) in response to a sensed phase-controlled power signal (52), and a micro-processor (56) responsive to the on-time signal (54) and generating a dimming control... Agent: Philips Intellectual Property & Standards

20080252234 - Track lighting system current limiting device: A current limiting system in accordance with the present invention comprises an accessory or canopy mount device that is permanently installed between a source of electrical power 1 and a track lighting system 2. The system may be installed integrally with a track lighting system to supply power to a... Agent: Middleton & Reutlinger

20080252235 - Electronic control gear and method of its use: An electronic control gear for a lamp is disclosed. The electronic control gear has a memory device and a microprocessor configured to acquire data relating to at least one parameter of operation of the lamp and configured to store acquired data in the memory device. The at least one parameter... Agent: Barley Snyder, LLC

20080252236 - Method and device capable of controlling soft-start dynamically: A back light boost converter includes an analog circuit, an enable controller, a logic device, and a digital PWM controller. The analog circuit generates a switch signal and a feedback signal based on a first pulse signal. The enable controller generates an enable signal based on an LED on ratio... Agent: North America Intellectual Property Corporation

20080252237 - Method for driving a light source, backlight assembly for performing the method and display apparatus having the backlight assembly: In a method for driving a light source, a backlight assembly for performing the method and a display apparatus having the backlight assembly, a light source is driven by an initial power until a first time when initial brightness of the light source decreases to a reference brightness. Then, the... Agent: Macpherson Kwok Chen & Heid LLP

20080246403 - Display, method for driving display, and electronic apparatus: Disclosed herein is a display including: a pixel array part configured to include pixels that are arranged in a matrix, each having an electro-optical element, a write transistor for writing a video signal, a drive transistor for driving the electro-optical element based on the video signal written by the write... Agent: Rader Fishman & Grauer PLLC

20080246404 - Vehicle headlight beam controls: A method of manually overriding automatic activation of an automatic headlight control system for a motor vehicle, headlamps operable in a high beam state and a low beam state, a high/low beam switch movable from a neutral position to a latched position and from a neutral position to a non-latched... Agent: Ford Global Technologies, LLC

20080246405 - Power supply apparatus: where S is a sectional area of the ion exit [m2]; d is an ion accelerating region length [m]; β is a magnetic flux bias ratio; Va is anode voltage [V]; Q is gas flow rate [sccm]; and B is magnetic flux density at the ion exit [T].... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080246406 - Helicon plasma source with permanent magnets: A helicon plasma source has a discharge tube, a radio frequency antenna disposed proximate the discharge tube, and a permanent magnet positioned with respect to the discharge tube so that the discharge tube is in a far-field region of a magnetic field produced by the permanent magnet.... Agent: Venable LLP

20080246407 - Display device: The invention provides an active matrix EL display device which can perform a clear multi-gray scale color display. In particular, the invention provides a large active matrix EL display device at low cost by a manufacturing method which can selectively form a pattern. Power supply lines in a pixel portion... Agent: Nixon Peabody, LLP

20080246408 - El lamp driver with plural outputs: A driver for electroluminescent (EL) lamps is an integrated circuit that includes a first transistor, a second transistor, and an inductor connected in series between the first transistor and the second transistor. The driver also includes at least four output circuits coupled to said inductor for separately driving at least... Agent: Paul F. Wille Cantor Colburn LLP

20080246409 - Power supply for halogen lamp: A circuit (10) for powering a halogen lamp (20) comprises an inverter (100) and an output circuit (300). During operation, the inverter (100) and output circuit (300) provide a magnitude-limited current to the halogen lamp such that the lamp power during an initial period is substantially less than the lamp... Agent: Fitch Even Tabin And Flannery

20080246410 - Lighting device and a lighting method for a high pressure discharge lamp: The lamp current is formed into a current waveform including a standard period current supplied at a predetermined standard period and a short period current of a period shorter than the same and, on every one-half period of the standard period current, formed into a current waveform by supplying the... Agent: Greenblum & Bernstein, P.L.C

20080246412 - Fluorescent lamp driver: The present invention discloses a kind of fluorescent lamp driver, which consists of the multi-switch converting circuit, power transformer (T1), resonant inductor (L1), resonant capacitor (C3) and step-up transformer (T2). It features the followings: The primary winding (PW) of T1 connects with the AC output of multi-switch converting circuit. L1... Agent: David And Raymond Patent Firm

20080246411 - Fluorescent lamp driver power: A kind of fluorescent lamp driver power consists of the multi-switch converting circuit, power transformer, resonant inductor, resonant capacitor, step-up transformer and rectifier. The primary winding (PW) of the power transformer connects with the AC output of multi-switch converting circuit. The resonant inductor and resonant capacitor, after series connection, connect... Agent: David And Raymond Patent Firm

20080246413 - Dc/ac cold cathode fluorescent lamp inverter: A DC/AC cold cathode fluorescent lamp (CCFL) inverter circuit includes a transformer with a primary winding and a secondary winding for providing increased voltage to a CCFL, a first and second MOSFET switches for selectively allowing direct current of a first polarity and a second polarity to flow through the... Agent: O2micro Inc C/o Murabito, Hao & Barnes LLP

20080246414 - Inductive load sensor for dimmer circuit: A lighting control circuit includes a dimmer circuit which is provided for an electrical outlet. An inductive load detection circuit is provided for identifying the presence of an inductive load in the electrical outlet. When an inductive load is sensed, dimming of the power directed to the electrical outlet is... Agent: Carlson, Gaskey & Olds, P.C.

20080246415 - System and method for providing adjustable ballast factor: The invention includes an electronic ballast that is operable to receive a ballast factor setting that enables the ballast to provide a desired ballast factor when the ballast drives a lamp. The electronic ballast includes an input that is adapted to receive a ballast factor setting that represents a desired... Agent: Ostrolenk Faber Gerb & Soffen

20080246416 - Process and apparatus for improved led performance: Process and apparatus for improving LED performance are disclosed in which, in one exemplary embodiment, a lamp having one or more LEDs is powered by at least one rechargeable battery that may be recharged by solar photovoltaic panel or any number of DC or AC power sources, including a car... Agent: Klein, O'neill & Singh, LLP

20080246417 - Device, system and method for adjusting the luminous flux of a lamp: The present invention relates to a device for adjusting the luminous flux of a lamp, which, in one embodiment, comprises a conversion unit for converting a main voltage into a supply voltage to be applied to one or more lamp or light elements. The device also comprises a microcontroller which... Agent: Neil Steinberg

20080246418 - Driver system and method with multi-function protection for cold-cathode fluorescent lamp and external-electrode fluorescent lamp: System and method for driving a cold-cathode fluorescent lamp. The system includes a control subsystem configured to generate one or more control signals, and a power supply subsystem configured to receive the one or more control signals and a DC input voltage, convert the DC input voltage to an AC... Agent: Jones Day

20080246419 - Led luminary system: The present invention relates to a light emitting diode (LED) luminary system (10) comprising a plurality of LED light sources (14) of multiple colors for producing a mixed color light, and means (28) for controlling the LED light sources in accordance with differences between set point values representing a mixed... Agent: Philips Intellectual Property & Standards

20080246420 - Light source driving device: A light source driving device is for driving a plurality of light sources of a light source module (12), and comprises an inverter circuit (11), a current sampling circuit (13) and a PWM controller (14). The inverter circuit converts a received DC signal to an electrical signal adapted for driving... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20080238323 - Led lighting assembly and lamp utilizing same: An LED lighting assembly including a plurality of individual LEDs mounted on a common, bendable heat sinking member designed to remove heat from the LEDs during operation and also to be formed (bent) to provide the desired light direction and intensity. Several such assemblies may be used within an LED... Agent: Mark Levy Hinman, Howard & Kattell, LLP

20080238324 - Vehicular lamp lighting circuit: A vehicular lamp lighting circuit includes a control unit configured to control an electric current that flows to a light source unit. The control unit has an electric current supply section configured to output the electric current to the light source unit, a switching controller configured to compare, with a... Agent: Dickstein Shapiro LLP

20080238325 - Advanced multipurpose pseudospark switch: The present invention provides a pseudospark switch that overcomes the aforementioned limitations of existing pseudospark switches and proved e-beams for applications such as FELs, pulsed lasers, X-ray machines, and radar. The improvement in e-beam quality is obtained by inductively ionizing gas inside the hollow cathode chamber (HCC), prior to main... Agent: Tomas Friend, LLC

20080238326 - Ion acceleration column connection mechanism with integrated shielding electrode and related methods: Ion accelerating devices including connection mechanisms with integrated shielding electrode and related methods are disclosed. According to an embodiment, an ion accelerating device of an ion implantation system comprises: a first element; a first connection system within the first element, the first connection system including a first connector and a... Agent: Scott Faber, Esq. Varian Semiconductor Equipment Associates, Inc

20080238327 - Amoled drive circuit using transient current feedback and active matrix driving method using the same: Disclosed herein is an Active Matrix Organic Light-Emitting-Diode (AMOLED) drive circuit using transient current feedback. The AMOLED drive circuit includes a current Digital-to-Analog Converter (DAC), a data line drive transistor, a constant current source, a variable current source, a differential amplifier, and a transient charging current control unit. The DAC... Agent: Bachman & Lapointe, P.C.

20080238328 - Light emitting pixel and apparatus for driving the same: A light emitting pixel includes a first organic light emitting diode (OLED) and a capacitor supplying to the first OLED current generated by an electric charge corresponding to a difference between a first voltage supplied to a first electrode of the capacitor and a second voltage supplied to a second... Agent: F. Chau & Associates, LLC

20080238329 - Plasma display device and driving method thereof: A plasma display device and driving method thereof are disclosed. In the plasma display device, a wall charge state of each cell is initialized after forming a wall voltage between respective sustain electrodes by gradually decreasing a voltage of the sustain electrodes. In addition, in a sustain period, a high... Agent: Knobbe Martens Olson & Bear LLP

20080238330 - Light emitting element driving circuit: A light emitting element driving circuit, which can achieve accurate/high-speed operation even at low voltage supply voltage, comprises: driving current supply, connected to light emitting element in series between first and second power supplies, to supply driving current to the light emitting element according to the voltage of control terminal;... Agent: Fitzpatrick Cella Harper & Scinto

20080238331 - Energy saving power supply circuit: A power supply circuit includes a power supply input for receiving power from a power supply, a power supply output for supplying power to a load, a voltage reference circuit, and a switch circuit. The voltage reference circuit is connected between the power supply input and the power supply output... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20080238332 - System and method for controlling voltage on discharge capacitors which control light energy from flash lamps: A system and method are described for controlling voltage on discharge capacitors which control light energy from flash lamps, wherein the method includes measuring over time an operational behavior of a flash lamp for performing photothermolysis, wherein a discharge capacitor transfers energy to the flash lamp, empirically deriving a behavior... Agent: David Klein Dekel Patent Ltd.

20080238333 - Inverter, backlight assembly having the same and display apparatus having the same: A display apparatus includes a display panel and a backlight assembly including a lamp and an inverter. The inverter includes a main transformer, a main driver and a voltage controller. The main transformer applies a driving alternating current (AC) voltage to the lamp. The main driver generates an output signal... Agent: Cantor Colburn, LLP

20080238334 - Hid lamp ballast circuit: A ballast circuit operable to drive a high intensity discharge lamp in accordance with an embodiment of the present applications includes an energy conversion circuit operable to convert an input voltage into a bus voltage and to provide the bus voltage to a DC bus, a first half bridge connected... Agent: Ostrolenk Faber Gerb & Soffen

20080238337 - Architecture for driving multiple loads at constant current: A circuit for driving an array of Light Emitting Diode (LED) strings at a constant current has a plurality of LEDs. A plurality of LED drivers is provided wherein a single LED driver is coupled to each of the plurality of LEDs. A voltage reference generator is used for sending... Agent: Weiss & Moy PC

20080238336 - Back-light devices and displays incorporating same: A back-light arrangement for providing back-light to a display panel such as a liquid crystal video display panel, includes a plurality of light emitting devices arranged and distributed for providing back-light to the display panel, and electronic circuitry arranged for driving the plurality of light emitting devices to produce the... Agent: Buchanan, Ingersoll & Rooney PC

20080238335 - Light source having a plurality of white leds with different output spectra: A solid state light source having first and second component light sources and an interface circuit and a method for making the same are disclosed. The first and second component light sources emit light having first and second color points on different sides of the black body radiation curve. The... Agent: Kathy Manke Avago Technologies Limited

20080238338 - Method and system for providing scalable and configurable illumination: A modular, scalable and configurable incoherent light source is provided. The light source includes an array of lighting modules supported on a frame that focuses emitted radiation from the modules at a region of interest. The geometry and physical configuration of the support structures, including the frame, may accommodate various... Agent: General Electric Company (pcpi) C/o Fletcher Yoder

20080238339 - Method and system for variable color lighting: A method, for controlling color output of a variable color lighting system (1) capable of emitting light within a color gamut, comprising the steps of receiving (10) a request for a target color (T), converting the target color (T) to a set of lighting system control parameters, and applying (15)... Agent: Philips Intellectual Property & Standards

20080238341 - Color control for dynamic scanning backlight: A method of controlling the output of a luminaire by receiving a first target signal associated with a first frame; generating a first light output control signal for an on time portion of the first frame, the light output control signal responsive to the received first target signal; sampling a... Agent: Microsemi Corp - Amsg Ltd.

20080238340 - Method and apparatus for setting operating current of light emitting semiconductor element: A method of determining an operating current adjustment for a light emitting semiconductor element in order to generate a predetermined brightness includes applying a test voltage to the light emitting element, determining a corresponding test current through the light emitting element, and determining the operating current adjustment dependent on the... Agent: Freescale Semiconductor, Inc. Law Department

20080238342 - Microprocessor-controlled insertable flashlight adapter device: An insertable flashlight adapter device for use in an ordinary flashlight having a lamp includes a disc-like shaped housing unit. Electronic circuitry is disposed within the housing unit for selectively operating the flashlight in at least three different modes. The electronic circuitry has a voltage comparator for determining which one... Agent: Davis Chin

20080238343 - System and method for dimming one or more light source: A system for dimming one or more light sources includes a first light source that emits a light of a first brightness according to an operating condition of the first light source, a second light source that emits a light of a second brightness according to an operating current of... Agent: Honigman Miller Schwartz & Cohn LLP

20080238344 - Light emitting apparatus: A light emitting apparatus includes a light source block with semiconductor light sources connected in series to each other. A resistor is connected in parallel with one or more of the semiconductor light sources and is connected to two detecting target portions in portions linked to respective electrodes of the... Agent: Fish & Richardson P.C.

20080238345 - Systems and methods for ornamental variable intensity lighting displays: A device and method for illuminating an electrically powered decorative lighting system with a plurality of individual light elements that can be positioned in or on surrounding plants, windows, or other display areas to simulate fireflies. The plurality of light emitting elements, such as LEDs or fiber optic cables, are... Agent: Knobbe Martens Olson & Bear LLP