Electric lamp and discharge devices: systems inventions 08/09

20090212706 - Lighting device and lighting system for a vehicle: A lighting device and a lighting system for a vehicle are provided. The lighting device includes a signal detecting portion which receives a light control direction signal; a control portion which controls a light source according to the light control direction signal; and a lighting state signal generating portion which... Agent: Sughrue-265550

20090212705 - Method of supplying power to an automobile headlight lamp and headlight using that method: A method and headlight adapted to supply power to a dual-mode automobile headlight light source able to provide either main beam mode lighting or dipped beam mode lighting, wherein the light source is supplied with electrical power at a first voltage when it is in main beam mode and at... Agent: Matthew R. Jenkins, Esq.

20090212707 - Led system for producing light: The invention relates to a system comprising a plurality of light emitting diodes, LEDs. The LEDs may be controlled in various in various manners in order to obtain any of one or more objects of the system. Thus, LEDs may be controlled for by controlling at least two of the... Agent: Foley And Lardner LLP Suite 500

20090212708 - Multi-zone closed loop daylight harvesting having at least one light sensor: A multi-zone daylight harvesting method and apparatus having a closed loop system utilizing a single light sensor is disclosed herein. This light control system includes an ambient light sensor connected to a detection circuit for detecting the amount of ambient light within a given zone and converting the light signal... Agent: Marger Johnson & Mccollom Pc - Leviton

20090212709 - Led luminaire with optical feedback by image mapping on segmented light sensors: The present invention relates to a luminaire comprising an array of LEDs emitting light of at least one colour, and a control system for controlling the light output of the luminaire. The control system comprises photosensor array for detecting light output of the luminaire. An imaging unit is arranged in... Agent: Philips Intellectual Property & Standards

20090212711 - Driving method and driving device for discharge lamp, light source device, and image display device: A method for driving a discharge lamp that lights by performing discharge between two electrodes while alternately switching a polarity of a voltage applied between the two electrodes includes: modulating an anode duty ratio, which is a ratio of an anode time for which one of the electrodes operates as... Agent: Advantedge Law Group, Llc

20090212710 - Vehicle lighting control device: A vehicle lighting control device includes a switching unit to perform ON/OFF control of a driving current supplied to a semiconductor light source depending on a light control signal; and a constant-current control unit to perform constant-current control on the driving current. The constant-current control unit includes a switch unit... Agent: Fish & Richardson P.c.

20090212712 - Electronic ballast for a low-pressure discharge lamp with a micro-controller: The invention relates to an electronic ballast for a lamp, supplied with electrical energy from a power source, different to the mains AC network, comprising at least one electronic switch element for conversion of the supplied electrical power. According to the invention, a microcontroller controls the electronic switch element.... Agent: Viering, Jentschura & Partner - Osr

20090212714 - Driving method and driving device for discharge lamp, light source device, and image display device: A driving method for a discharge lamp that lights by performing discharge between two electrodes while alternately switching a polarity of a voltage applied between the two electrodes includes: modulating an anode duty ratio, which is a ratio of an anode time for which one of the electrodes operates as... Agent: Advantedge Law Group, Llc

20090212713 - Pulse-modulation-signal generating device, light-source device, and optical scanning device: A high-frequency clock generating circuit generates a plurality of high-frequency clock signals having different phases. A modulation-signal generating circuit generates a pulse modulation signal based on transition timing data including data pertaining to a turn-on timing at which a state of a light source is changed from a turn-off state... Agent: Dickstein Shapiro LLP

20090212715 - Oled driver and lighting apparatus equipped with the same: An OLED driver for driving at least one organic electroluminescence element and lighting apparatus equipped with the driver. The driver has a direct-current power source and a dimmer. The source alternately applies first voltage and second voltage across the element. The first voltage is approximately equal to drive voltage of... Agent: Edwards Angell Palmer & Dodge LLP

20090212716 - Light source driving module and circuit: A light source driving circuit includes a voltage signal source and a temperature-improving current source for adjusting luminance of a series of LEDs. A first end of the series of LEDs is electrically connected to a ground end. The temperature-improving current source includes an adjustable power supply for outputting an... Agent: North America Intellectual Property Corporation

20090212719 - Display apparatus that can be moved in space: A medical examination or treatment facility comprising at least one display facility that can be moved in space is provided. The facility includes one or a plurality of lighting facilities arranged in a distributed manner to illuminate the space. It is possible to change the brightness and/or position of the... Agent: Brinks Hofer Gilson & Lione

20090212718 - Illumination control system: An illumination control system includes lighting apparatuses connected to a communications line and a number of functional units of plural kinds functioning to detect information from ambient environments of the lighting apparatuses. Each lighting apparatus includes a lamp, an illumination circuit, a communication unit, a control unit, and a unit... Agent: Bacon & Thomas, Pllc

20090212717 - Power supply system and method for the operation of an electrical load: A current source arrangement is specified, in which at least one branch, comprising a current source (1) and means (2) for the connection of an electrical load (3), is provided. A comparator (5) with transistor (7) connected downstream is connected to a voltage tapping node (4) of said branch. The... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090212721 - Led drive circuit: An LED drive circuit includes a constant-current circuit that supplies a constant-current to an LED module to drive it; a thyristor; and a phase-angle control circuit which adjusts the ignition angle of the thyristor. The LED module, the constant-current circuit, and the thyristor are connected in series.... Agent: Birch Stewart Kolasch & Birch

20090212720 - Light emitting diode driving system: An exemplary light emitting diode driving system includes a protective circuit, a rectifying circuit, a driving circuit, a light emitting diode module and a detecting circuit. The protective circuit, the rectifying circuit, the driving circuit and the light emitting diode module are connected in series. The driving circuit is configured... Agent: Pce Industry, Inc. Att. Steven Reiss

20090212722 - Adaptive rv chassis tail lamp and tow lamp configuration: The adaptive RV chassis tail lamp and tow lamp configuration allows switching between American and European style tail and tow lamp configurations through use of a preprogrammed chassis control module, which is simply accessed via an user interface. Further, the configuration of the tail lamps of a vehicle being towed... Agent: International Truck Intellectual Property Company,

20090212723 - Light source apparatus: A light source apparatus includes: a lamp replacement door configured to open and close a lamp replacement window; an igniter replacement door configured to open and close an igniter replacement window which is opened at a position different from the position of the lamp replacement window; a door opening detection... Agent: Scully Scott Murphy & Presser, Pc

20090206756 - High intensity and low power signaling device with heat dissipation system: A luminous signaling device with a heat dissipation system is provided. The heat dissipation system is configured to set up a natural convection current flow to remove air heated by the LED emitter and enable cooler ambient air to flow towards the LED emitter. The signaling device includes a generally... Agent: Quinn Law Group, PLLC

20090206757 - Plasma reactor and plasma reaction apparatus: A plasma reactor includes a honeycomb electrode in which a plurality of cells that function as gas passages are partitioned by a partition wall, and a discharge electrode. The honeycomb electrode includes a first gas circulation section that allows a first gas to pass through, and a second gas circulation... Agent: Oliff & Berridge, PLC

20090206758 - Illumination device, illumination control apparatus, illumination system: An illumination device comprises on a common substrate (10) at least one LED (11) of a first color, preferably blue, at least one LED (12) of a second color, preferably red, and preferably at least one LED (13) of a third color, preferably green, and at least one white LED... Agent: Perman & Green

20090206759 - Controlling system for illumination of a golf course and controlling method thereof: A controlling system for illumination of a golf course and a controlling method thereof are provided. The illumination controlling system is used for a golf course that has multiple holes. The illumination controlling system has multiple groups of lighting modules respectively corresponding to the multiple holes. Each group of lighting... Agent: Rosenberg, Klein & Lee

20090206760 - Non-toxic photo cells and photosensors including the same: Photo control devices include a housing having a light transmissive portion. A photosensor is positioned in the housing to receive light passing through the light transmissive portion of the housing. A relay electrically coupled to the photosensor is responsive to a level of light detected by the photosensor. The photosensor... Agent: Marguerite E. Gerstner Tyco Electronics Corporation

20090206761 - Oled light source: Organic light emitting diode (OLED) light source includes a plurality of stacked organic light emitting diode units comprised of a removable topmost organic light emitting diode unit and one or more removable underlying organic light emitting diode units. A power source is in electrical communication with the anode and the... Agent: General Electric Company Global Research

20090206762 - Led light string with split bridge rectifier and thermistor fuse: A string of lights has an electrical plug at one end and a receptacle at the other end and plural light-emitting diodes (LEDs) in series with a negative temperature coefficient (NTC) thermistor. The device also includes a bridge rectifier providing direct current to the LEDs and the thermistor but split... Agent: Nexsen Pruet, LLC

20090206763 - Method and apparatus for controlling a discharge lamp in a backlighted display: The described DC to AC inverter efficiently controls the amount of electrical power used to drive a cold cathode fluorescent lamp (CCFL). The output is a fairly pure sine wave which is proportional to an input control voltage. The output waveform purity is ensured by driving a symmetrical rectangular waveform... Agent: Christensen O'connor Johnson & Kindness PLLC

20090206764 - Driver for controlling a light emitting element, in particular an organic light emitting diode: The present invention relates to a circuit for controlling a light emitting element, in particular an organic light emitting diode. The circuit comprises a capacitor connectable with the light emitting element, charging means for charging the capacitor and a switching means. The switching means is adapted to alternately disconnect the... Agent: Joseph J Laks Thomson Licensing

20090206765 - Electronic ballast with phase dimmer detection: The invention relates to an electronic ballast comprising a converter which is used to operate a discharge lamp, for example, a low pressure discharge lamp, for selectively operating, in a direct manner, the supply network or a phase section dimmer. Jumps in the supply voltage are decoupled by a differential... Agent: Osram Sylvania Inc

20090206766 - High-pressure discharge lamp, lighting apparatus and high-pressure discharge lamp apparatus: A high-pressure discharge lamp is characterized by including a translucent airtight container having a discharging space in an internal portion, electrodes for causing discharge in the discharging space of the translucent airtight container, and an ionization medium sealed in the translucent airtight container and containing a metal halide and rare... Agent: Dla Piper LLP Us

20090206767 - Split phase inverters for ccfl backlight system: An apparatus and method for driving a lamp are provided. In one embodiment, an inverter having four switching elements is split into two inverter arms that are deployed at separate terminals of a floating lamp structure to achieve even light output. A controller drives both inverter arms such that power... Agent: Knobbe Martens Olson & Bear LLP

20090206768 - Method and device for driving a lamp:

20090206770 - Light emitting display device and driving method thereof: Disclosed herein are a light emitting display device which can reduce hysteresis of a driving transistor to improve picture quality, and a method for driving the same. The device includes a pixel cell formed in an area defined by a data line supplied with a data voltage, at least one... Agent: Brinks Hofer Gilson & Lione

20090206769 - Smart load control device having a rotary actuator: A load control device for controlling the amount of power delivered from an AC power source to an electrical load comprises a rotary actuator, such as a rotary knob or a rotary wheel. The load control device increases and decreases the amount of power delivered to the electrical load in... Agent: Lutron Electronics Co., Inc. Mark E. Rose

20090206772 - Dc-dc converter and method for minimizing battery peak pulse loading: The invention relates to an electronic device, comprising a DC-DC converter for converting a primary supply voltage into an output voltage at an output node to be coupled to a super capacitor and a control stage for operating the regulated DC-DC converter in a forward direction in a boost mode... Agent: Texas Instruments Incorporated

20090206771 - Light driver circuit device and backlight device: A light driver circuit device for synchronously driving a plurality of cold cathode fluorescent lamps (CCFLs) is provided. The light driver circuit device includes an inverter circuit board and a balance circuit board. The inverter circuit board has an inverter circuit coupled to a driving signal for outputting a driving... Agent: Jianq Chyun Intellectual Property Office

20090206773 - Interactive led lighting system for entertainment and network thereof: An interactive LED lighting system for entertainment and a network thereof comprise a plurality of LED light controllers being capable of connecting with a wireless operating end, a plurality of kinetic energy sensors or wireless remote controls for receiving commands output by the wireless operating end, the kinetic energy sensors... Agent: Chris, Chang

20090206775 - Constant lumen output control system: A constant lumen output control system for providing a constant lumen output throughout the life of a lamp at the mean or preset lumen level. The lumen con system (315) coupled to a lamp driver (310) initially reduces the power to the lamp (330) to prevent the lamp from being... Agent: Ballard Spahr Andrews & Ingersoll, LLP

20090206774 - Electronic reactive current oscillation-reducing ballast: The invention relates to an electronic ballast presenting an input capacitor and comprising and step-up chopper for operating a load, for example a discharge lamp, on a phase control dimmer having an integrated or parasite inductance. In such a way, the voltage overshooting on the input capacitor are reduced by... Agent: Osram Sylvania Inc

20090206776 - Led drive circuit and led illumination device using same: An LED drive circuit includes a resistor for setting a constant current, a switching power supply circuit for outputting a DC output voltage and a constant-current power supply circuit that receives the DC output voltage and that outputs the constant current to drive the LED. The LED drive circuit reduces,... Agent: Birch Stewart Kolasch & Birch

20090200946 - Method for power supplying of a plurality of cascade connected light sources: According to a method for supplying a plurality of cascade connected light sources including, a control signal (k) is sent to a supply apparatus (AA). The control signal corresponds to a desired value of light radiation intensity to be emitted by at least a part of said the light sources,... Agent: William J. Sapone Coleman Sudol Sapone P.C.

20090200947 - Vehicle lamp control system and control method: A vehicle lamp control system includes a target irradiating direction setting unit which sets, in accordance with a running condition of a vehicle, a target irradiating direction of the lamp. An actuator controls an irradiating direction of the lamp to be directed in the target irradiating direction based on a... Agent: Fish & Richardson P.C.

20090200948 - Large area, atmospheric pressure plasma for downstream processing: An arcless, atmospheric-pressure plasma generating apparatus capable of producing a large-area, temperature-controlled, stable discharge at power densities between about 0.1 W/cm3 and about 200 W/cm3, while having an operating gas temperature of less than 50° C., for processing materials outside of the discharge, is described. The apparatus produces active chemical... Agent: Cochran Freund & Young LLC

20090200949 - Plasma processing system with locally-efficient inductive plasma coupling: An inductively coupled plasma source is provided with a peripheral ionization source for producing a high-density plasma in a vacuum chamber for semiconductor wafer coating or etching. The source includes a segmented configuration having high and low radiation segments and produces a generally ring-shaped array of energy concentrations in the... Agent: Wood, Herron & Evans, LLP (tokyo Electron)

20090200950 - Tubular led light source: A tubular LED light source, based on a tube manufactured in a heat conducting material (1). The LED's (2) are mounted on a part of the outer surface of the tube. Thereby they conduct their heat to the tube, which transfers the heat to the surroundings by cooling fins (6)... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20090200951 - Methods and apparatus for dimming light sources: Methods and apparatus for dimming light sources are described herein. In the described examples, a bias circuit selectively biases a switch during a half-cycle of a line current after a delay. In some examples, the delay of the bias circuit is adjustable by a user to adjust the amount of... Agent: Alston & Bird LLP

20090200952 - Methods and apparatus for dimming light sources: Methods and apparatus for dimming light sources are described herein. In certain embodiments, a bias circuit selectively biases a solid state switch during a portion of half-cycle of a line voltage after a settable delay. In some embodiments, the delay of the bias circuit is adjustable by a user, which... Agent: Alston & Bird LLP

20090200953 - Methods and apparatus for a high power factor ballast having high efficiency during normal operation and during dimming: Methods and apparatus for powering a ballast that is dimmable and has a high power factor. The ballast circuit includes a rectifier, bypass capacitor, a driver circuit, and a resonant circuit that are configured to actuate a light source, such as a fluorescent lamp. Specifically, the bypass capacitor stores energy... Agent: Alston & Bird LLP

20090200954 - Color control of a discharge lamp during dimming: A ballast circuit is suitable for driving a high intensity discharge lamp in at least two power modes including a nominal power mode for driving the high intensity discharge lamp at a nominal power and a reduced power dimming mode for driving the lamp at less than the nominal power.... Agent: Fay Sharpe LLP

20090200955 - Combined ballast for fluorescent lamp and light emitting diode and method of driving same: A circuit or combined ballast for driving a fluorescent lamp and at least one light emitting diode (LED) includes an integrated driver circuit having an alternating current (AC) circuit that includes at least one ballast coil for driving the fluorescent lamp and a direct current circuit for driving the LED... Agent: Fay Sharpe LLP

20090200958 - Controlling reflected light using electronic paper: A system and a method for using ePaper as a light control media in lighting fixtures or other light enhanced applications to modify, dim or color-shift the light used for lighting the space. One system includes a light source, an ePaper reflector with controllable reflectivity for controlling the light reflected... Agent: Sughrue Mion, PLLC

20090200961 - Electrical device, in particular an electric power tool or an electrical appliance: An electric appliance having a main electric load, an auxiliary electric load, and a voltage supply for operating both electric loads. An auxiliary voltage is generated by the voltage supply and supplied to the auxiliary electric load at a constant level so that the power of the auxiliary electric load... Agent: Burr & Brown

20090200957 - Illumination apparatus: The present invention relates to an illumination apparatus comprising an LED light source which includes an LED chip and a sealing member containing a fluorescent material therein and sealing the LED chip and is configured to illuminate an object, and a light-transmitting member provided in front of the LED light... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20090200959 - Light-emitting diode driving circuit: A light-emitting diode driving circuit includes a control circuit, a transistor switch and a compensating circuit. The control circuit receives an oscillating signal to generate a pulse drive signal. The transistor switch is activated by the pulse drive signal such that an inductor is charged by an input voltage, in... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090200960 - Methods and apparatus for self-starting dimmable ballasts with a high power factor: Methods and apparatus for self-starting dimmable ballast circuits are disclosed. In the described examples, a dimmable ballast circuit includes a rectifier, an energy storage device, a driver circuit, and a resonant circuit that are configured to actuate the light source such as a fluorescent lamp. The power source is coupled... Agent: Alston & Bird LLP

20090200962 - Power supply apparatus: In a power supply apparatus for performing constant current driving of a light emitting diode which is a load circuit, a constant current circuit is disposed on a path for driving the load circuit. A charge pump circuit which is a voltage generating circuit outputs a driving voltage to the... Agent: Cantor Colburn, LLP

20090200956 - Power supply circuit and portable device: A power supply circuit has a charge pump (CHP) step-up circuit including multiple CHP units for stepping up a given power supply voltage to a step-up voltage higher than the power supply voltage, and, based on an output voltage setting signal, converts the step-up voltage to a required output voltage.... Agent: Rohm Co., Ltd. C/o Keating & Bennett, LLP

20090200963 - Lighting controller for a vehicle lamp: A lighting controller has current driving means which include a shunt resistor connected in series to each of multiple LEDs to detect an LED driving current, a PMOS transistor connected to the positive electrode side of each of the LEDs, and an amplifier for sending an output according to the... Agent: Fish & Richardson P.C.

20090200965 - Energy savings circuitry for a lighting ballast: Methods and apparatus for saving energy in a ballast comprising a tank circuit for a gas-discharge lamp are disclosed. A feedback circuit and a filament shutoff circuit cooperate to detect energy in the tank ballast and save energy during operation. The feedback circuit detects current flowing in the tank circuit... Agent: Alston & Bird LLP

20090200964 - Methods and apparatus for dimmable ballasts with a high power factor: Methods and apparatus for powering dimmable ballast circuits are disclosed. In the described examples, a dimmable ballast circuit includes a rectifier, an energy storage device, a driver circuit, and a resonant circuit that are configured to actuate the light source such as a fluorescent lamp. Specifically, energy storage device is... Agent: Alston & Bird LLP

20090200966 - Illumination unit with current interrupter component: An illumination unit comprises at least one electrical coupling element for receiving electrical current from a current source and coupling the illumination unit into an electrical system, a light-carrying member, and an electrical circuit adapted for electrical coupling to the current source via the electrical coupling element. The electrical circuit... Agent: Carey, Rodriguez, Greenberg & Paul LLP Attn: Steven M. Greenberg, Esq.

20090200967 - Control device for controlling the hue of light emitted from a light source: The invention relates to a control device (1) for controlling the hue (H) of light (L) emitted by a light source (2). The control device comprises a hue selection surface (20) capable of displaying one or more hues available for said light of said light source and interaction detection means... Agent: Philips Intellectual Property And Standards

20090200946 - Method for power supplying of a plurality of cascade connected light sources: According to a method for supplying a plurality of cascade connected light sources including, a control signal (k) is sent to a supply apparatus (AA). The control signal corresponds to a desired value of light radiation intensity to be emitted by at least a part of said the light sources,... Agent: William J. Sapone Coleman Sudol Sapone P.C.

20090200947 - Vehicle lamp control system and control method: A vehicle lamp control system includes a target irradiating direction setting unit which sets, in accordance with a running condition of a vehicle, a target irradiating direction of the lamp. An actuator controls an irradiating direction of the lamp to be directed in the target irradiating direction based on a... Agent: Fish & Richardson P.C.

20090200948 - Large area, atmospheric pressure plasma for downstream processing: An arcless, atmospheric-pressure plasma generating apparatus capable of producing a large-area, temperature-controlled, stable discharge at power densities between about 0.1 W/cm3 and about 200 W/cm3, while having an operating gas temperature of less than 50° C., for processing materials outside of the discharge, is described. The apparatus produces active chemical... Agent: Cochran Freund & Young LLC

20090200949 - Plasma processing system with locally-efficient inductive plasma coupling: An inductively coupled plasma source is provided with a peripheral ionization source for producing a high-density plasma in a vacuum chamber for semiconductor wafer coating or etching. The source includes a segmented configuration having high and low radiation segments and produces a generally ring-shaped array of energy concentrations in the... Agent: Wood, Herron & Evans, LLP (tokyo Electron)

20090200950 - Tubular led light source: A tubular LED light source, based on a tube manufactured in a heat conducting material (1). The LED's (2) are mounted on a part of the outer surface of the tube. Thereby they conduct their heat to the tube, which transfers the heat to the surroundings by cooling fins (6)... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20090200951 - Methods and apparatus for dimming light sources: Methods and apparatus for dimming light sources are described herein. In the described examples, a bias circuit selectively biases a switch during a half-cycle of a line current after a delay. In some examples, the delay of the bias circuit is adjustable by a user to adjust the amount of... Agent: Alston & Bird LLP

20090200952 - Methods and apparatus for dimming light sources: Methods and apparatus for dimming light sources are described herein. In certain embodiments, a bias circuit selectively biases a solid state switch during a portion of half-cycle of a line voltage after a settable delay. In some embodiments, the delay of the bias circuit is adjustable by a user, which... Agent: Alston & Bird LLP

20090200953 - Methods and apparatus for a high power factor ballast having high efficiency during normal operation and during dimming: Methods and apparatus for powering a ballast that is dimmable and has a high power factor. The ballast circuit includes a rectifier, bypass capacitor, a driver circuit, and a resonant circuit that are configured to actuate a light source, such as a fluorescent lamp. Specifically, the bypass capacitor stores energy... Agent: Alston & Bird LLP

20090200954 - Color control of a discharge lamp during dimming: A ballast circuit is suitable for driving a high intensity discharge lamp in at least two power modes including a nominal power mode for driving the high intensity discharge lamp at a nominal power and a reduced power dimming mode for driving the lamp at less than the nominal power.... Agent: Fay Sharpe LLP

20090200955 - Combined ballast for fluorescent lamp and light emitting diode and method of driving same: A circuit or combined ballast for driving a fluorescent lamp and at least one light emitting diode (LED) includes an integrated driver circuit having an alternating current (AC) circuit that includes at least one ballast coil for driving the fluorescent lamp and a direct current circuit for driving the LED... Agent: Fay Sharpe LLP

20090200958 - Controlling reflected light using electronic paper: A system and a method for using ePaper as a light control media in lighting fixtures or other light enhanced applications to modify, dim or color-shift the light used for lighting the space. One system includes a light source, an ePaper reflector with controllable reflectivity for controlling the light reflected... Agent: Sughrue Mion, PLLC

20090200961 - Electrical device, in particular an electric power tool or an electrical appliance: An electric appliance having a main electric load, an auxiliary electric load, and a voltage supply for operating both electric loads. An auxiliary voltage is generated by the voltage supply and supplied to the auxiliary electric load at a constant level so that the power of the auxiliary electric load... Agent: Burr & Brown

20090200957 - Illumination apparatus: The present invention relates to an illumination apparatus comprising an LED light source which includes an LED chip and a sealing member containing a fluorescent material therein and sealing the LED chip and is configured to illuminate an object, and a light-transmitting member provided in front of the LED light... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20090200959 - Light-emitting diode driving circuit: A light-emitting diode driving circuit includes a control circuit, a transistor switch and a compensating circuit. The control circuit receives an oscillating signal to generate a pulse drive signal. The transistor switch is activated by the pulse drive signal such that an inductor is charged by an input voltage, in... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090200960 - Methods and apparatus for self-starting dimmable ballasts with a high power factor: Methods and apparatus for self-starting dimmable ballast circuits are disclosed. In the described examples, a dimmable ballast circuit includes a rectifier, an energy storage device, a driver circuit, and a resonant circuit that are configured to actuate the light source such as a fluorescent lamp. The power source is coupled... Agent: Alston & Bird LLP

20090200962 - Power supply apparatus: In a power supply apparatus for performing constant current driving of a light emitting diode which is a load circuit, a constant current circuit is disposed on a path for driving the load circuit. A charge pump circuit which is a voltage generating circuit outputs a driving voltage to the... Agent: Cantor Colburn, LLP

20090200956 - Power supply circuit and portable device: A power supply circuit has a charge pump (CHP) step-up circuit including multiple CHP units for stepping up a given power supply voltage to a step-up voltage higher than the power supply voltage, and, based on an output voltage setting signal, converts the step-up voltage to a required output voltage.... Agent: Rohm Co., Ltd. C/o Keating & Bennett, LLP

20090200963 - Lighting controller for a vehicle lamp: A lighting controller has current driving means which include a shunt resistor connected in series to each of multiple LEDs to detect an LED driving current, a PMOS transistor connected to the positive electrode side of each of the LEDs, and an amplifier for sending an output according to the... Agent: Fish & Richardson P.C.

20090200965 - Energy savings circuitry for a lighting ballast: Methods and apparatus for saving energy in a ballast comprising a tank circuit for a gas-discharge lamp are disclosed. A feedback circuit and a filament shutoff circuit cooperate to detect energy in the tank ballast and save energy during operation. The feedback circuit detects current flowing in the tank circuit... Agent: Alston & Bird LLP

20090200964 - Methods and apparatus for dimmable ballasts with a high power factor: Methods and apparatus for powering dimmable ballast circuits are disclosed. In the described examples, a dimmable ballast circuit includes a rectifier, an energy storage device, a driver circuit, and a resonant circuit that are configured to actuate the light source such as a fluorescent lamp. Specifically, energy storage device is... Agent: Alston & Bird LLP

20090200966 - Illumination unit with current interrupter component: An illumination unit comprises at least one electrical coupling element for receiving electrical current from a current source and coupling the illumination unit into an electrical system, a light-carrying member, and an electrical circuit adapted for electrical coupling to the current source via the electrical coupling element. The electrical circuit... Agent: Carey, Rodriguez, Greenberg & Paul LLP Attn: Steven M. Greenberg, Esq.

20090200967 - Control device for controlling the hue of light emitted from a light source: The invention relates to a control device (1) for controlling the hue (H) of light (L) emitted by a light source (2). The control device comprises a hue selection surface (20) capable of displaying one or more hues available for said light of said light source and interaction detection means... Agent: Philips Intellectual Property And Standards

20090195159 - Led cooling system: A self contained High Power LED cooling system has a connected LED chip, heat radiator, fan, and self-containing power supply. The components are interconnect by spring loaded posts to absorb temperature expansion. A thermocouple device monitors the temperature to shut off the LED chip before reaching a critical temperature.... Agent: Donald W. Meeker

20090195160 - Lighting method of microwave excitation discharge lamp: To prevent the continuation of the abnormal state occurring immediately after the lighting start of the electrodeless discharge lamp excited by a DC driven magnetron and to recover promptly from the abnormal state at the steady state period. Lighting start of an electrodeless discharge lamp is performed in soft start... Agent: Patenttm.us

20090195161 - Equipment and methods for emergency lighting that provides brownout detection and protection: The present invention relates to systems, equipment and methods that provide emergency lighting and allow the detection of brownout conditions. One aspect of the present invention is an emergency lighting system with an input voltage interface for receiving an input voltage, a brownout detection component for detecting a brownout condition... Agent: John S. Pratt, Esq Kilpatrick Stockton, LLP

20090195162 - Low-power illumination system and associated barrier operator: A low-power illumination system for use with an associated barrier operator, or independently, comprises at least one illumination unit adapted to be operable via mains power and a backup power supply, such as a battery. Accordingly, if mains power fails, a low-power light element maintained by the illumination unit may... Agent: Renner Kenner Greive Bobak Taylor & Weber

20090195163 - Single led string lighting: A solid state lighting unit constituted of: a control circuitry; a single string of light emitting diodes, the single string constituted of a plurality of sections each comprising a plurality of light emitting diodes; and a plurality of bypass paths each responsive to the control circuitry, each of the plurality... Agent: Microsemi Corp - Amsg Ltd.

20090195164 - Intelligent light for controlling lighting level: An intelligent light, such as a light for connecting with a low voltage line, is provided. The intelligent light includes a light source for coupling with a low voltage line, and a processor in communication with the light source and the low voltage line. The processor determines a voltage on... Agent: Brinks Hofer Gilson & Lione

20090195165 - Lamp driving circuit of power source and charge/discharge device in parallel connection: An application for nightly outdoor lamps, road lamps, advertising lamps and nightly warning lights using daytime and nighttime as the period, wherein during daytime, it is at a preparation status of no power output to drive the lamps, and the AC to DC power is charged to the charge/discharge device,... Agent: Bacon & Thomas, PLLC

20090195166 - Light output control method and lighting system using the same: A light output control method for a lighting system is provided. The lighting system includes a plurality of sensors and a light-emitting unit. The light output control method includes steps of: sensing a motion of an object within the sensing ranges of the sensors at different time spots, thereby generating... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090195167 - Lighting device: The present invention provides a lighting device having a battery housing to hold a battery, a light housing having a light source and a lens assembly into which said light source will emit light when activated, said battery and said light source being in circuit with a switch to open... Agent: Michael C. Pophal Eveready Battery Company Inc

20090195168 - Method and system for dimming ac-powered light emitting diode (led) lighting systems using conventional incandescent dimmers: A dimming control circuit for dimming light emitting diodes receives an AC input voltage signal from a dimming circuit. The control circuit includes a power stage and a current control loop coupled to the power stage. An AC detector is operable to detect an instantaneous value of the AC input... Agent: Graybeal Jackson LLP

20090195169 - Power supply circuit with current sharing for driving multiple sets of dc loads: The present invention provides a power supply circuit for driving multiple sets of DC loads. The power supply circuit includes a current providing circuit, a sharing circuit and a current control unit. The current providing circuit receives and regulates a supply voltage into specified output currents to be supplied to... Agent: Kirton And Mcconkie

20090195170 - Electronic power supply device for light-emitting diode: An electronic power supply device is provided for light-emitting diodes (LEDs), which employs electronic control to maintain the LEDs within the rated ranges of current, voltage and temperature and provides the LEDs with extremely stable current, voltage and temperature. Meanwhile, the power supply device is effective in confining the LEDs... Agent: Leong C Lei

20090195171 - Temperature control system for backlight module: The present invention discloses a temperature control system for a backlight module, which applies to a backlight module with the light source quantity of the light-emitting module being increased to directly promote the brightness of LCD. The present invention can timely modulate the brightness of the light-emitting module to slow... Agent: Joe Mckinney Muncy

20090195172 - Inverter with adjustable resonance gain: The present invention includes a PWM unit, a switch unit, a resonance unit, a transformer, a feedback unit and a frequency control unit, wherein the switch unit obtains a DC power from a power source, the PWM unit produces a working cycle signal to drive the switch unit to convert... Agent: Joe Mckinney Muncy

20090195174 - Arrangement suitable for driving floating ccfl based backlight: A backlighting arrangement constituted of: a means for receiving an alternating current comprising a first lead and a second lead; at least one luminaire; and at least one first balancing transformer pair each associated with a particular one of the at least one luminaire, the primary of a first balancing... Agent: Microsemi Corp - Amsg Ltd.

20090195175 - Direct coupled balancer drive for floating lamp structure: A backlighting arrangement constituted of a driving transformer arrangement; a plurality of lamp pairs, each of the constituent lamps of the plurality of lamp pairs exhibiting a first electrical connection and a second electrical connection; and a plurality of balancing transformers, each comprising a primary winding and a secondary winding... Agent: Microsemi Corp - Amsg Ltd.

20090195176 - Discharge lamp lighting circuit: A discharge lamp lighting circuit is capable of preventing the discharge lamp from going out unexpectedly. The discharge lamp lighting circuit includes a DC-AC inverter which receives a power source voltage, boosts and converts the power source voltage into AC and supplies AC electric power to the discharge lamp 21.... Agent: Fish & Richardson P.C.

20090195173 - Discharge lamp operating system: A discharge lamp operating system has first and second discharge lamp operating circuits. The first discharge lamp operating circuit includes a first and second primary winding, a first secondary winding, a first discharge lamp connected to the first primary winding, and a second discharge lamp connected to the second primary... Agent: Wenderoth, Lind & Ponack L.L.P.

20090195177 - Self-excited inverter driving circuit: To provide a low-cost self-excited inverter driving circuit exhibiting an excellent operational efficiency. A main inverter section is so constructed that a part of output signals is fed back by a resonance loop circuit to cause a self-excited oscillation to occur in the vicinity of a resonance frequency decided by... Agent: Oliff & Berridge, PLC

20090195178 - Balancing arrangement with reduced amount of balancing transformers: A backlighting arrangement constituted of: a driving transformer; at least one balancing transformer; a plurality of luminaires, a first end of each of the plurality of luminaires connected to a high voltage lead of the driving transformer and a second end of each of the plurality of luminaires connected to... Agent: Microsemi Corp - Amsg Ltd.

20090195179 - Power line communication: Methods and systems for providing power line communications are provided. The methods employed by the system include receiving a line voltage, converting the line voltage to a DC voltage, and modulating the DC voltage with a data encoded signal to produce an output voltage. The methods also include communicating the... Agent: Brinks Hofer Gilson & Lione

20090195180 - Led driver circuits and methods: An LED driver circuit may include dimming circuitry. In particular, the LED driver circuit may include a switching converter, an LED and a switch. The LED may be electrically connected to the switching converter and the switch may be connected in parallel with the LED. The switching converter and/or the... Agent: Dorsey & Whitney LLP US Bank Center

20090195181 - Method for operating an illumination system with sequential color filtering and a high pressure discharge lamp: The present invention relates to a method for operating an illumination system, which illumination system has a high pressure discharge lamp driven with a commutating lamp current (IL), and a color filter system for filtering the light of the high pressure discharge lamp in a plurality of sequential color segments... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090195188 - Cold-cathode fluorescent lamp having thin coat as electrically connected terminal, production method of the lamp, lighting apparatus having the lamp, backlight unit, and liquid crystal display apparatus: A cold-cathode fluorescent lamp including a glass bulb, a pair of hollow electrodes, and a pair of electrically connected terminals. The hollow electrodes each include an electrode body and a lead wire. The hollow electrodes are hermetically connected to the glass bulb at both ends of the glass bulb. The... Agent: Snell & Wilmer L.L.P. (panasonic)

20090195183 - Controller of led lighting to control the maximum voltage of leds and the maximum voltage across current sources: Controller of LED lighting to control the maximum voltage of LEDs and the maximum voltage across current sources is provided. A voltage-feedback circuit is coupled to the LEDs to sense a voltage-feedback signal for generating a voltage loop signal. Current sources are coupled to the LEDs to control the LED... Agent: Dr. Banger Shia

20090195184 - Drive circuit for driving a load with pulsed current: A drive circuit (1) for driving a load (3) comprises: a power supply (10) for supplying an output current (IL); a controller (20) for controlling the power supply; a current sensor (25) for generating a current sense signal (V25); a controllable switch (30) in series with the output (2a, 2b),... Agent: Philips Intellectual Property And Standards

20090195187 - Led driving topology, light source moudle based thereon, and digital camera having the same: A LED driving topology includes a LED array and a current source connected in series between two power inputs receiving a positive voltage and a negative voltage respectively. This topology increases the voltage difference across the LED array and hence has the capability of lighting up more serially connected LEDs,... Agent: Rosenberg, Klein & Lee

20090195182 - Light emission control circuit for turning on a plurality of light emitting elements, and lighting apparatus and portable information terminal having the same: A light emission control circuit includes a current source circuit for generating currents to be supplied to a plurality of light emitting elements, a plurality of switches disposed corresponding to the respective light emitting elements for switching between supplying or not supplying the currents generated by the current source circuit... Agent: Fish & Richardson P.C.

20090195186 - Light emitting diode lighting device: A lighting device comprises a mounting head having multiple facets each configured to retain an associated Light Emitting Diode (LED). The LEDs are mounted to the facets with a thermally conductive metal pad and thermally conductive adhesive. A connector for the lighting device inserts into a light socket and receives... Agent: Stolowitz Ford Cowger LLP

20090195185 - Power supply of luminous sources: A power supply of luminous sources is disclosed comprising a first circuit configured to generate a direct voltage signal from an alternating input voltage and a second circuit having in input the direct voltage signal and configured to generate an alternating voltage signal of rectangular wave shape and null average... Agent: Seed Intellectual Property Law Group PLLC

20090195189 - Tri-light: A lighting arrangement includes a light fixture including a plurality of light sources wherein each light source is configured to generate a different color light when energized; and a circuit arrangement included in the light fixture and operatively interposed between the plurality of light sources and a source of electrical... Agent: Lowe Hauptman Ham & Berner, LLP

20090195190 - Systems and methods for powering a light emitting diode lamp: In one embodiment, the present invention includes an electronic circuit for providing a power current to an LED lamp. The electronic circuit comprises a logic drive circuit, a VCO, a power switch, and a first current sensor. The VCO is coupled to provide a first logic control signal to the... Agent: Fountainhead Law Group, PC

20090195191 - Perceptually linear led brightness control: A current regulator includes a first current source to provide a reference current varying with a dimming step, and a second current source to generate a drive current for a white LED according to the reference current. The reference current and the dimming step have a relationship identical to or... Agent: Rosenberg, Klein & Lee

20090195192 - Smart light: An intelligent light, such as a light for connecting with and receiving communications from a low voltage line, is provided. The intelligent light includes a power supply operable to generate a DC voltage from an input voltage communicated via a low voltage line by a power source, a receiver operable... Agent: Brinks Hofer Gilson & Lione

20090195193 - Compact fluorescent light device: A light device, such as a device using compact fluorescent light, is disclosed. The light device includes a housing. A compact fluorescent light source is supported by the housing. A converting device is coupled with the compact fluorescent light source. The converting device is provided for connecting with a low... Agent: Brinks Hofer Gilson & Lione

20090195194 - All-ion accelerator and control method of the same: It is an object of the present invention to provide an accelerator that can accelerate by itself all ions up to any energy level allowed by the magnetic fields for beam guiding, and provides an all-ion accelerator in which with trigger timing and a charging time of an induced voltage... Agent: Westerman, Hattori, Daniels & Adrian, LLP