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Electric lamp and discharge devices: systems inventions 01/09

Recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing format for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
  
01/29/2009 > patent applications in patent subcategories.

20090026957 - Led lighting module with a heat-sinking failsafe device: The present invention provides an LED lighting module with a heat-sinking failsafe device, including LED light sets, a power supply unit and a radiator fan. The radiator fan is linked to a main circuit via a series circuit or a parallel circuit. An electric circuit is placed between the main... Agent: Egbert Law Offices

20090026958 - Lighting control for vehicle lighting device: A lighting control device for a vehicle lighting device is arranged so that loads applied to switching regulators are about equal when driving multiple semiconductor light sources (e.g., LEDs) as multifunctional lamps through the switching regulators. The LEDs are divided into two groups. The LEDs belonging to the first group... Agent: Fish & Richardson P.C.

20090026959 - Non-contact light emitting display for vehicle: A non-contact light emitting display for a vehicle is disclosed as having at least: a light emitting unit, a first induction coil to supply electric power for the light emitting unit; the first induction coil generates electric power by non-contact induction with an inductor of the vehicle for executing one... Agent: Bacon & Thomas, PLLC

20090026961 - Low power consumption led emergency light: The present invention is to provide an emergency light comprising a housing, a matrix shaped LED light module, a charging module, and a power cord having one end extending out of the housing for connecting to an AC source and the other end electrically connected to the charging module and... Agent: Bacon & Thomas, PLLC

20090026962 - Method and system for economical emergency activation of electrical devices: The invention provides a method for economical emergency activation of an electrical device, the method comprising sensing an effect associated with activity of the electrical device, detecting an electrical power interruption and activating the electrical device during the electrical power interruption, in case decrease in the effect is sensed in... Agent: Pearl Cohen Zedek Latzer, LLP

20090026960 - Relamping circuit for battery powered ballast: A ballast (e.g. a fluorescent light ballast) includes a primary ballast for powering the lamp from a power supply (e.g., utility line power) and an battery powered ballast for powering the lamp from a battery when the primary power supply is not energized by the power supply. When power supply... Agent: Osram Sylvania Inc

20090026964 - High frequency power supply: For determining a wave running time between a RF source in a plasma power supply device and a load connected to the plasma power supply device, an RF pulse is transmitted forwards from the RF source to the load. The pulses are reflected by the load and transmitted backwards to... Agent: Fish & Richardson PC

20090026963 - Surface wave excitation plasma generator and surface wave excitation plasma processing apparatus: The present invention provides a surface wave excitation plasma generator in which surface wave excitation plasma is efficiently generated. A surface wave excitation plasma generator including an annular waveguide and a dielectric tube is provided. The annular waveguide 2 includes an inlet 2a for introducing a microwave M, an end... Agent: J C Patents, Inc.

20090026965 - Low-pressure mercury vapor discharge lamp with amalgam: The invention relates to a lamp system comprising a low-pressure mercury vapor discharge lamp having a discharge vessel (6) enclosing a discharge space (8), with two electrodes (10, 30) positioned in the discharge vessel and an amalgam (18) arranged at a first end section (28) outside the discharge path between... Agent: Philips Intellectual Property & Standards

20090026966 - Lighting system with lighting units using optical communication: A lighting system and a method of operating the lighting system are described. A plurality of lighting units (10, 10′) each comprise, a lighting element (12) with a lighting control unit (14) for controlling its light output, and a communication unit (16, 16′) for communicating over a communication medium, e.g.... Agent: Philips Intellectual Property & Standards

20090026967 - Optically-triggered multi-stage power system and devices: A multi-stage optically-triggered power system. At least one triggering stage is responsive to at least one optical trigger to directly create photogeneration of carriers in the at least one triggering stage and thus generate at least one output signal. At least one main power device stage coupled to the at... Agent: Greer, Burns & Crain

20090026968 - Plasma supply device: A plasma supply device generates an output power greater than 500 W at an essentially constant basic frequency greater than 3 MHz and powers a plasma process to which is supplied the generated output power, and from which reflected power is returned to the plasma supply device. The plasma supply... Agent: Fish & Richardson PC

20090026970 - Method of manufacturing thin film transistor: The object of the present invention is to form a low-concentration impurity region with good accuracy in a top gate type TFT. Phosphorus is added to a semiconductor layer by using a pattern made of a conductive film as a mask to form an N-type impurity region in a self-alignment... Agent: Cook Alex Ltd

20090026969 - Organic light emitting device: An organic light emitting device is disclosed. The organic light emitting device includes a display unit on a substrate, the display unit including a plurality of subpixels, a plurality of monitor pixels positioned outside the display unit, a driver that supplies a data signal to the display unit in each... Agent: Ked & Associates, LLP

20090026971 - Apparatus for controlling lamp driving and light unit having the same: Provided are an apparatus for controlling a lamp driving, and a light unit. The apparatus comprises a trans-portion, a plurality of lamps, a first cable, and a current attenuator. The trans-portion outputs a first AC power and a second AC power. The plurality of lamps are lighted-on by the first... Agent: Saliwanchik Lloyd & Saliwanchik A Professional Association

20090026972 - Light emitting unit and lighting apparatus: A lighting apparatus 1 includes a switching controller 2 and a light emitting unit 3. The light emitting unit 3 includes two light emitting arrays 21a and 21b and three voltage input terminals 22a to 22c. The switching controller 2 switches connection of the voltage input terminals 22a to 22c... Agent: Rabin & Berdo, PC

20090026973 - Lighting apparatus: A lighting apparatus according to the present invention includes: a plurality of solid state light emitting devices; a holding unit which holds the plurality of solid state light emitting devices; a casing inside which the holding unit is disposed; a first terminal and a second terminal disposed at a longitudinal... Agent: Greenblum & Bernstein, P.L.C

20090026974 - Fluorescent tube power supply and backlight: A fluorescent tube power supply including an inverter power supply which outputs a DC voltage, and an inverter which converts an output of the inverter power supply to an AC; wherein a power stabilizing unit for stabilizing a power input to the inverter is arranged between the inverter power supply... Agent: Osha Liang L.L.P.

20090026975 - Systems and methods for improved startup and control of electrodeless plasma lamp using current feedback: In one example embodiment, a drive probe is coupled to the lamp body to provide the primary power for ignition and steady state operation of the lamp. Feedback may be used to adjust frequency in response to changing conditions of the lamp during startup. A phase shifter may be used... Agent: Schwegman, Lundberg & Woessner, P.A.

20090026977 - Drive unit, smoothing circuit, dc/dc converter: A drive unit has a load driving portion driving a load by a PWM drive method; a soft-start function portion for achieving a soft-start function; and a soft-start disabling portion counting a time elapsed after a PWM signal is turned on at start-up of the unit, and disabling the soft-start... Agent: Fish & Richardson P.C.

20090026976 - Method for dimming the light emitted from led lights, in particular in the passenger cabin of an airliner: In order to dim the brightness of the mixed-color light from an LED light (11) with LED arrays (12r, 12g, 12b) which emit different colors, in particular in the passenger cabin of an airliner, the current-flow time intervals (tr, tg, tb) which can be adjusted such that they are different... Agent: Scully Scott Murphy & Presser, PC

20090026978 - System and method for light source identification: A light source is configured to send a beacon signal representative of the unique identifier thereof, on command, constantly or at a predetermined interval. The beacon signal is integrated into the light emitted by the light source, wherein the integration of the beacon signal is performed in a manner that... Agent: Philips Intellectual Property & Standards

20090026979 - Lighting load management system for lighting systems having multiple power circuits: A lighting control system is provided for a space that is equipped with multiple lamps for illuminating the space and multiple power circuits for supplying power to different groups of the lamps. The control system stores information relating to the past illumination of the lamps in each of the different... Agent: Schneider Electric / Square D Company Legal Dept. - I.p. Group (np)

20090026980 - Dimming system powered by two current sources and having an operation indicator module: A dimming system and method of operating the same are provided. The dimming system includes a first terminal configured to operatively connect to a first conductive line, a second terminal configured to operatively connect to a second conductive line, and a third terminal configured to operatively connect to a third... Agent: Leviton Manufacturing Company Incorporated (cdfs) C/o Carter, Deluca, Farrell & Schmidt, LLP

20090026981 - Light emitting element driver device: A driver device for driving light emitting elements comprises a data latch having an input coupled to an input signal, a current control circuit having an input coupled to the data latch, and an output coupled to the input of an output stage, the latter being configured to drive the... Agent: Seed Intellectual Property Law Group PLLC

20090026983 - Lighting device and display system with a lighting device: A lighting device (10, 11) has at least one light source (1, 1R, 1G, 1B) which is actuated by an operating unit (2) with an electrical signal on the basis of a light curve (3) stored in the operating unit (2). A display system having such a lighting device is... Agent: Osram Sylvania Inc

20090026982 - Structure for led lamp and method for forming the improved structure: The present invention generally relates to an improved structure for an LED lamp and a method for forming the improved structure, more particularly to an improved LED lamp structure having a special figure so as to replace a traditional incandescent light bulb. The improved structure for the LED lamp is... Agent: Birch Stewart Kolasch & Birch

  
01/22/2009 > patent applications in patent subcategories.

20090021174 - Controlling a lamp ballast: A method and apparatus for providing electrical current to a lamp, detecting a power supply voltage outage, detecting a return of the power supply voltage, determining how long the power supply voltage outage lasted, and preheating the lamp responsive to determining that the power supply voltage outage lasted greater than... Agent: Banner & Witcoff, Ltd. Attorneys For Client 007052

20090021175 - Supply circuit and device comprising a supply circuit: Supply circuits (1-3,101-102,201-203) for supplying output current signals to loads (6,106,206) and comprising first circuits (1,101,201) with transistors (11-14,111-112,211-212) for converting input voltage signals into pulse signals and comprising second circuits (2,102,202) with resonance circuits for receiving the pulse signals and for supplying the output current signals to the loads... Agent: Philips Intellectual Property & Standards

20090021176 - Semiconductor device: A control terminal is connected to an external resistor, and is connected to a time constant capacitor. A control unit compares a control voltage with a threshold voltage, and switches the function of a semiconductor device according to the comparison results. A charge/discharge circuit charges or discharges the time constant... Agent: Cantor Colburn, LLP

20090021177 - Diagnosis circuit apparatus and lamp ballast circuit using the same: The present invention relates to a diagnostic device and a lamp ballast circuit. The lamp ballast circuit includes a first power switch, a second power switch, a lamp driven according to switching operations of the first and second power switches, a controller for controlling the switching operations of the first... Agent: Sidley Austin LLP

20090021178 - Apparatus and method for driving backlight unit: The present invention is directed to a drive apparatus for a backlight unit (20) in which plural LED (Light Emitting Diode) elements are cascade-connected every three primary colors, which comprises a signal generating unit (44) for generating a signal having an arbitrary amplitude, an adjustment unit (50) for adjusting light... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090021179 - Backlight driving system for liquid crystal display: There is provided a backlight driving system for a liquid crystal display that can reduce size and weight of a product because a DC-DC converter is not used when commercial AC power is converted into lamp driving power. A backlight driving system for a liquid crystal display according to an... Agent: Lowe Hauptman Ham & Berner, LLP

20090021182 - Led driver circuit: The present invention relates to a low cost LED driver module comprising a switched-mode power supply (smps) having down-converting characteristics (11) which is controlled by a comparator (31). The comparator is hysteresis configured, which reduces ripple and transients in the LED current, and the module can be accomplished with inexpensive... Agent: Philips Intellectual Property & Standards

20090021181 - Led module and led lighting unit with a plurality of led modules: In a LED module (11) with a LED array comprising a plurality of LED chips (2) and a control unit (7) for regulating the operating current of the LED chips (2), the control unit (7) is arranged on a support (4) of the LED module (11) and comprises an electronic... Agent: Osram Sylvania Inc

20090021180 - Led with integrated constant current driver: An LED package containing integrated circuitry for matching a power source voltage to the LED operating voltage, LEDs containing such integrated circuitry, systems containing such packages, and methods for matching the source and operating voltages are described. The integrated circuitry typically contains a power converter and a constant current circuit.... Agent: Koppel, Patrick & Heybl

20090021183 - Light-source module for display device and display device having the same: A light-source module for a display device and a display device having the same, in which the light-source module includes a plurality of light-emitting units, a current difference controller, and a converter. The light-emitting units are connected in parallel between a driving power input terminal and a ground terminal to... Agent: F. Chau & Associates, Llc

20090021184 - Illumination adjusting device and method: An illumination adjusting device for receiving power from a power supply and supplying output voltage to a lighting unit is provided herein. The illumination adjusting device includes a detector for detecting ambient illumination intensity and generating an ambient illumination value according to the ambient illumination intensity; a comparator for comparing... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20090021185 - Led lighting system: A lighting system has an array (100) of at least one light-emitting solid-state element such as a light-emitting diode (LED) or a laser diode. A voltage source (10), which may supply either alternating or direct current, energizes the array. Array state circuitry (125; Q2, R2), electrically connected in series with... Agent: Jeffrey Pearce

20090021186 - Light emitting apparatus: The present invention provides a light emitting apparatus comprising: a first light emitting portion for emitting white light with a color temperature of 5700K or more; and a second light emitting portion capable of changing the color temperature of the white light emitted from the first light emitting portion, wherein... Agent: H.c. Park & Associates, Plc

20090021187 - Apparatus for the control of lighting and associated methods: A lighting controller arranged to drive one or more light emitting semiconductors, the controller comprising a current source and/or a voltage source and a current and/or voltage sensor wherein the controller is arranged to drive the or each light emitting semiconductor using a substantially constant current or voltage and further... Agent: Carstens & Cahoon, LLP

20090021188 - Lamp driving device: In one aspect, an impedance component which exhibits a high impedance in a high frequency region is arranged on a high pressure line formed on a secondary side of a transformer. The potential difference generated at both ends of the impedance component is used to detect an abnormal electrical discharge... Agent: Knobbe Martens Olson & Bear LLP

20090021189 - Output power port management control: A power converter that gives priority to the high power output and only provides power to the low power output when the total potential output power is equal to or less than the rated power of the power converter. A specific power threshold is established, and when the high power... Agent: Jackson Walker LLP

  
01/15/2009 > patent applications in patent subcategories.

20090015164 - Method and device for automatically switching to main beam: A main beam switching arrangement for a road vehicle has a lighting device switchable over main beam and dipped headlamps. A sensor device determines at least one ambient parameter, and a control unit with an activatable and deactivatable automatic function automatically switches over the lighting device as a function of... Agent: Crowell & Moring LLP Intellectual Property Group

20090015165 - Plasma generating apparatus: A plasma generating apparatus having superior plasma generation efficiency that uses a single reaction chamber. The plasma generating apparatus includes a RF generator for providing a RF power, an antenna for generating an electromagnetic field upon receiving the RF power, a reaction chamber for exciting/ionizing a reaction gas via the... Agent: Staas & Halsey LLP

20090015166 - Ambient light sensing circuit and flat panel display including ambient light sensing circuit: An ambient light sensing circuit includes a transistor, a first storage capacitor coupled to the transistor and adapted to compensate for a threshold voltage of the transistor, a second storage capacitor coupled to the first storage capacitor, a photodiode coupled to the first storage capacitor and the second storage capacitor... Agent: Lee & Morse, P.C.

20090015167 - Decorative light display: A decorative light display includes a plurality of light source assemblies, each respective light source assembly of the plurality of light source assemblies having a known power requirement and at least one power supply operably coupled to each respective light source assembly of the plurality of light source assemblies for... Agent: Altera Law Group

20090015168 - Flat lighting device: A flat lighting device (10, 10′) that has light-emitting lighting elements (1) arranged on a carrier, which are connected to current supply and current discharge lines (4′) to supply current. The carrier has the form of a metallic sheet (2), which is covered with an insulating layer (3), on which... Agent: Fisher, Christen & Sabol

20090015169 - Method for driving an led: A method for driving a light emitting diode (LED), which is operated at a prescribed constant driving voltage and a prescribed constant driving current such that the prescribed power consumption of the LED in a prescribed unit of time is the prescribed constant driving voltage times the prescribed constant driving... Agent: Houston Eliseeva

20090015170 - Method for driving led: A method for driving a LED and to an illumination system comprising at least one LED. The LED is driven by a pulse signal, wherein the pulse signal comprises pulses of a duration of T/n, wherein T is the duration of a single pulse and the corresponding pause in between... Agent: Houston Eliseeva

20090015171 - Backlight system: The backlight system comprises a light source module, a control circuit board, a current-balancing circuit board, and a plurality of high voltage lines. The light source module comprises a plurality of light sources. The control circuit board is configured with a control circuit for converting a received signal to a... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20090015172 - Light source apparatus and driving apparatus thereof: A light source driving apparatus to drive at least one light source module includes a switch unit for coupling in series with an AC power source and the light source module; a clock synchronization unit for coupling to the AC power source and to provide a clock synchronization signal in... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090015173 - Electronic ballasts without toroidal-magnetic-core and fluorescent lamps employ the same: A toroid-free ballast comprising a filter and rectifier circuit (10) coupled with an AC power, a switch and resonant circuit (20) coupled with the filter and rectifier circuit (10), characterized in that, the switch and rectifier circuit (20) comprises a half bridge oscillating circuit composed of two transistors. The present... Agent: Rabin & Berdo, PC

20090015174 - Light source apparatus and driving apparatus thereof: A light source apparatus and a driving apparatus thereof are provided. The driving apparatus includes a first node, a second node, a clock synchronization unit, a control unit, a switch unit, and a feedback unit. The driving apparatus receives an AC voltage through the first and the second nodes. The... Agent: Jianq Chyun Intellectual Property Office

20090015175 - Brightness control system for led lighting devices: The present invention provides a brightness remote control system for LED lighting device. There are two control modes, namely automatic mode and manual mode. At automatic mode, the brightness of the LED lighting device changes as the brightness of the environment changes to maintain preset constant brightness. At manual mode,... Agent: Bacon & Thomas, PLLC

20090015176 - Laser assisted fluorescent lamp: In this invention a fluorescent lamp is described containing semiconductor laser diodes used to ionize the gases inside the lamp. This avoids the need for a high voltage to cause the gases to ionize sufficiently that current can flow through the lamp. If configured correctly, the use of Mercury vapor... Agent: Sitaramarao Srinivas Yechuri

20090015177 - Power supply device and light-emitting device and electronic equipment using such power supply device: In a power supply apparatus for supplying a power to a plurality of CCFLs, a plurality of transformers are provided for the respective CCFLs. Respective primary coils of the transformers are connected to each other in series so as to constitute one current path. One ends of respective secondary coils... Agent: Cantor Colburn, LLP

20090015178 - Led driver and control method thereof: A LED driver providing a LED lighting current to a LED path, extracts the LED lighting current information from the LED path to produce a first signal including an AC component and a DC component, and extracts the DC component information of the first signal to produce a second signal... Agent: Rosenberg, Klein & Lee

20090015179 - Backlight control device and display apparatus: A PWM generation circuit is set so as to generate a PWM pulse signal having a frequency that is an odd number times a vertical synchronization frequency. A frequency division circuit frequency-divides the PWM pulse signal generated by the PWM generation circuit. An AND gate calculates the logical product of... Agent: Greenblum & Bernstein, P.L.C

20090015180 - Discharge lamp lighting apparatus: A discharge lamp lighting apparatus includes an input power supply, a power supply circuit, a bridge circuit having switching elements Q1 to Q4 that performs AC operation of a discharge lamp, a lighting circuit, a control circuit that controls the power supply circuit, and a drive circuit that drives bridge... Agent: Oliff & Berridge, PLC

  
01/08/2009 > patent applications in patent subcategories.

20090009086 - Traveling wave tube: A bottom portion of a metal tape is attached to an end portion of a helix. A coaxial inner conductor for input or output of a high frequency signal is fixed by its end portion being interposed between upright surfaces of the metal tape. The metal tape is joined to... Agent: Sughrue Mion, PLLC

20090009087 - High brightness plasma lamp: A plasma lamp for an electrodeless plasma lamp having a waveguide body. The non-radiative thermal losses from the bulb are controlled to prevent the bulb from melting while providing a high level of radiation from the bulb. The thermal conductivity of the waveguide, configuration of the heat sink and size... Agent: Schwegman, Lundberg & Woessner, P.A.

20090009088 - Lighting control device of lighting device for vehicle: In a process in which a control signal having a low level is output from an ON/OFF control circuit to series regulators connected to LEDs serving as lighting targets to turn ON the LEDs in accordance with digital communication information, the ON/OFF control circuit calculates a specified current value to... Agent: Osha Liang L.L.P.

20090009089 - Variable lighting system for optimizing night visibility: A variable lighting system (“VLS”) for optimizing object visibility at night by setting a base level of lighting, adding a variable light to that base level of lighting, and a synchronizing the timing and sequence of the base level of lighting and the variable lighting. The VLS varies the illumination... Agent: Law Office Of J. D. Pemberton John D. Pemberton

20090009090 - Device for plasma treatment at atmospheric pressure: A device (1) for plasma treatment comprises an electrode (2) having a surface (14) covered by a dielectric barrier (3), and an AC high voltage source (6) for applying an AC high voltage to the electrode (2) to bring about a dielectric barrier discharge (9) in a gas (10) at... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090009091 - Lighting unit and discharge lamp: Provided is a lighting unit and a discharge lamp each of which is capable of causing a capacitor to break down by heat generated in a heat generating component, so that circuit operation is safely terminated without any additional cost. A compact self-ballasted fluorescent lamp is provided with a lighting... Agent: Snell & Wilmer L.L.P. (panasonic)

20090009092 - Light emitting diode (led) control: Apparatus and a method are disclosed for providing illumination from at least one light emitting diode lighting fixture. Each lighting fixture includes a respective LED array and the method includes the steps of determining at least one parameter associated with the LED array and supplying drive signals to light LEDs... Agent: Klarquist Sparkman, LLP

20090009093 - Switchable induction light: A light fitting is provided with a first connector piece arranged to support a light and provide power thereto, an input connected to a power source and arranged to provide power permanently to an output comprising a primary coil, and a transmitter operable to transmit a switch signal. A light... Agent: Westman Champlin & Kelly, P.A.

20090009094 - Active matrix type organic electroluminescent display device and method of manufacturing the same: Disclosed are an active matrix type organic electroluminescent display device and a manufacturing method thereof. At least two capacitors having different functions from each other are disposed in a vertically stacked structure within a unit pixel region. When a compensation circuit needing two or more capacitors having different functions from... Agent: F. Chau & Associates, LLC

20090009095 - Method and circuit arrangement for operating a discharge lamp: A method and a circuit arrangement are described for operating a discharge lamp is described, especially a high-intensity discharge lamp or lamps (HID) or UHP [ultra high performance]-lamp, which is/are distinguished by a first and a second operating phase with a higher first or a lower second frequency of the... Agent: Philips Intellectual Property & Standards

20090009096 - Current controlled driver: Various current controlled driver apparatuses are disclosed herein. For example, some embodiments of the present invention provide a current controlled driver including a control circuit having a current input and a driver circuit having a power input. The control circuit has an output that is directly electrically connected to an... Agent: Guy K. Clinger

20090009097 - Circuits and methods for balancing current among multiple loads: A circuit comprises a power tank, a pair of transformers and multiple loads. The power tank converts a DC input voltage to an AC voltage. The pair of transformers comprise a pair of primary windings and a pair of secondary windings and transform the intermediate AC voltage to an output... Agent: Patent Prosecution O2mirco , Inc.

20090009098 - Discharge lamp ballast apparatus: A capacitor 42 (C1) of a first bootstrap circuit 4 for maintaining the ON state of a first switching device 61, one of the two switching devices disposed on a higher potential side of first DC voltage V1, is not only charged with second DC voltage V2, but also supplied... Agent: Birch Stewart Kolasch & Birch

20090009099 - Lamp ballast circuit and driving method thereof: The present invention relates to a lamp ballast circuit and a driving method. The lamp ballast circuit includes a voltage detector for detecting the level of a first voltage corresponding to an input voltage, a controller including an oscillator for changing the oscillation frequency according to the level of the... Agent: Sidley Austin LLP

20090009100 - Reactive circuit and rectifier circuit: The invention relates to a reactive circuit for correction of a power factor in an electrical network. The reactive circuit has at least one supply connection for supplying an alternating power supply (1) current and an input stage that is connected to the at least one supply connection. The reactive... Agent: Howrey LLP-eu

20090009102 - Lighting device with controllable light intensity: It is presented a lighting device comprising: at least one alternating current source configured to provide alternating current of at least a first and a second frequency, at least one light source, at least one impedance unit connected to the light source, affecting a first current from the at least... Agent: Philips Intellectual Property & Standards

20090009101 - Oled having stacked organic light-emitting units: The present invention provides a stacked organic light emitting device, comprising a first conductive layer, at least one intermediate conductive layer and a second conductive layer, and light emitting units disposed between the conductive layers, wherein at least two non-neighboring conductive layers among the conductive layers are conductive layers belonging... Agent: Mckenna Long & Aldridge LLP

20090009106 - Circuit for driving light sources using balanced feedback signal: An exemplary circuit (200) for driving light sources (211, 212, 213, 214) includes feedback circuits (218, 228, 238, 248), a signal balance circuit, and a controller (250). Each feedback circuit corresponds to a light source and is configured for providing a first feedback signal according to a driving current of... Agent: Wei Te Chung Foxconn International, Inc.

20090009105 - Control device and control method, and planar light source and control method of planar light source: A control device for controlling driving of an LED includes: a driving section driving the LED, the driving section being formed including a switching element; a control value obtaining section obtaining a control value of n+m bits; and a controlling section controlling the driving of the LED by the driving... Agent: Frommer Lawrence & Haug LLP

20090009104 - Step-up/down regulator circuit and liquid crystal display device incorporating it: A step-up/step-down regulator circuit wherein a switch (N2) has a terminal connected to an end of an inductor (L1), another terminal grounded, and a control terminal connected to an end of a switch (N1). In this way, performing an open/close control of the switch (N1) can indirectly perform an open/close... Agent: Fish & Richardson P.C.

20090009103 - Wireless controlled light emitting assembly: A light emitting assembly and a system utilizing a plurality of light emitting assemblies having a plurality of light emitting elements arranged and disposed within a sub-assembly. The assembly also includes a controller in communication with the elements, the controller being capable of receiving wireless signals and/or transmitting wireless signals,... Agent: Tyco Technology Resources

20090009107 - Light-emitting device, electronic device, and driving method of light-emitting device: An object is to provide a novel driving method of a light-emitting element, particularly, an organic EL element. Another object is to provide a light-emitting device having a light-emitting element for which the driving method is employed and an electronic device having the light-emitting device as a display portion. A... Agent: Nixon Peabody, LLP

  
01/01/2009 > patent applications in patent subcategories.

20090001888 - Headlamp control circuit: A headlamp control circuit reduces a possibility that all headlamps become lights-out in a two-lamp system headlight, even if a switching element fails under a high-beam condition while the single switching element is driven to light two right and left high-beam filaments. A headlamp control circuit includes switch sections (SW1)... Agent: Casella & Hespos

20090001890 - Apparatus for plasma processing a substrate and a method thereof: An apparatus for processing a substrate includes a pulsed power supply that generates a waveform having a first period with a first power level and a second period with a second power level. A plasma source generates a first plasma during the first period and a second plasma during the... Agent: Varian Semiconductor Equipment Assc., Inc.

20090001889 - Method and apparatus for remotely monitoring properties of gases and plasmas: A method and apparatus for remotely monitoring properties of gases and plasmas is disclosed. A laser beam is focused at a desired region within a gas or plasma to be analyzed, generating an ionized sample region in the gas or plasma. A beam of microwave radiation is directed toward the... Agent: Mccarter & English, LLP

20090001891 - Emergency lighting: An emergency lighting system comprising light units and sensors, such as heat detectors, smoke detectors and motion detectors, operable to activate the light units. In the preferred embodiment, the light units are operable to adopt a selected one of at least two illuminated stated depending on the state of the... Agent: Crowell & Moring LLP Intellectual Property Group

20090001892 - Lighting control system: A lighting control system (1) comprises: a communication bus (2); at least one extension movement detector (30) issuing detection pulses (DOS) over said communication bus in response to detecting a movement, at first time intervals (T1) determined by a sensor timer (34); one master luminaire (10) comprising a lamp (11)... Agent: Philips Intellectual Property & Standards

20090001893 - Method and system for luminance characterization: A system for luminance characterization of a luminaire includes a ballast coil and a multi-tap capacitor connected in series with the ballast coil. The multi-tap capacitor has a plurality of tap capacitors integrated into a capacitor housing. A plurality of switches are each coupled to one of the plurality of... Agent: Law Offices Of Charles W. Bethards, LLP

20090001894 - Method for calculating a driving current of a light source in a screen and display device thereof: A method for calculating a driving current of a light source in a screen includes detecting a light signal of a displaying light emitted from the screen, and calculating the driving current of the light source according to the light signal.... Agent: North America Intellectual Property Corporation

20090001897 - Display device: In the case of applying the ABL control to a display device having electron emitters disposed in a matrix, voltage drop caused by the scan line resistance is corrected, thereby displaying a preferable image without a smear. A high voltage load current limiting section for calculating drive voltage alteration data... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090001896 - Light-emitting device and method of manufacturing the same, and method of operating manufacturing apparatus: The inventors has been anticipated that there is no problem in employing electron gun deposition as a method of forming a metallic layer on the EL layer because the TFT is disposed blow the ET layer in the active matrix light-emitting device. However, since the TFT is extremely sensitive to... Agent: Fish & Richardson P.C.

20090001895 - Organic electro-luminescent display device: An organic electro-luminescent display device includes barriers in a non-display area to protect a display area from water and oxygen. Barriers may include a permeation prevention barrier, a voltage contact portion, and a blocking layer. A permeation prevention barrier includes contact portions where a barrier layer having a lower permeability... Agent: H.c. Park & Associates, PLC

20090001898 - Cold cathode tube drive device: A cold-cathode tube driving apparatus wherein the number of booster transformers has been reduced and the increase in installation space and in cost has been suppressed. This cold-cathode tube driving apparatus comprises a booster transformer (2); a plurality of cold-cathode tubes (3-1 to 3-N); and a time division control circuit... Agent: Von Simson & Chin

20090001899 - Fluorescent lamp with built-in anion generator: The invention is a a fluorescent lamp with built-in anion generator. The invention includes a bulb 22 with built-in filaments 21, said bulb being coated with a fluorescent material on its inner circumferential surface, said bulb having an inert gas sealed in its inside, and a base 24 integrally combined... Agent: Edwards Angell Palmer & Dodge LLP

20090001900 - Device for fluorescent tube armatures: The present invention relates to a device for fluorescent tube armatures, the device being intended to replace a previously occurring fluorescent tube. The device has a light emitting diode unit (4) comprising at least one electrical drive unit (4.1), which is connected to at least one phase wire, as well... Agent: Buchanan, Ingersoll & Rooney PC

20090001903 - Backligth module having detecting circuit and direct current voltage compensation circuit: An exemplary backlight module includes lamps (21), a power supply circuit (20), a detecting circuit (22), and a direct current voltage compensation circuit (23). The power supply circuit is configured for supplying a driving voltage to the lamps. The first detecting circuit is configured for detecting a direct current voltage... Agent: Wei Te Chung Foxconn International, Inc.

20090001902 - High pressure discharge lamp control method: A system for providing a controllable current to a high intensity discharge lamp is provided. The system includes a current controller that is configured to receive input power and to provide an output current waveform to the high intensity discharge lamp. This current causes a discharge of light from the... Agent: General Electric Company (pcpi) C/o Fletcher Yoder

20090001904 - Ignition controller, light source, projector and ignition control method: An ignition controller that controls ignition of a discharge lamp discharging and emitting light between a pair of electrodes provided therein, the controller includes: an ignition device that ignites the discharge lamp, and a controller that controls a drive of the ignition device, in which the controller includes: a pulse... Agent: Oliff & Berridge, PLC

20090001901 - Ultraviolet lamp system and method for controlling emitted uv light: An ultraviolet lamp assembly and corresponding methods is operable to generate ultraviolet light for irradiating a substrate.. The lamp assembly includes a magnetron, an electrodeless lamp for emitting ultraviolet light when excited by microwave radiation generated from the magnetron, and a power control circuit arrangement configured to control an output... Agent: Wood, Herron & Evans, LLP (nordson)

20090001905 - Delta-sigma signal density modulation for optical transducer control: A controller for optical transducers uses delta-sigma signal density modulation to reduce electromagnetic interference.... Agent: Cypress/blakely Blakely Sokoloff Taylor & Zafman LLP

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