Electric lamp and discharge devices: systems inventions 02/08

20080048565 - Method for generating a cold plasma for sterilizing a gaseous medium and device therefor: The invention concerns a method for generating a cold plasma for sterilizing a gaseous medium and a device therefor. The inventive device comprises a confinement chamber (1) including at least one treatment chamber (40), means (4) for generating a first uniform magnetic field (B1), means (5) for generating a second... Agent: Shoemaker And Mattare, Ltd

20080048566 - Coin shaped light-emitting device and coin shaped spotlight comprising same: A coin shaped light-emitting device is disclosed and includes a light-emitting member formed by encapsulating and wiring a plurality of LEDs on a thin substrate, a constant current controller for operating the light-emitting member in constant current and causing the light-emitting member to emit bright light, and a shell for... Agent: Bruce H. Troxell Suite 1404

20080048567 - Driver apparatus and method: A driver apparatus is provided for controlling a light source array comprising at least first and second light sources, the light source array used for illuminating a scan region on a target object, wherein light reflected from said target object is captured by a detector. The driver apparatus comprises a... Agent: Dickstein Shapiro LLP

20080048568 - Natural light-generating device: The present invention discloses a natural light-generating device, wherein a light-sensing unit is used to detect the surrounding lighting signals, and a modulated control unit transforms the lighting signals into control signals, and an ultra-low frequency sinusoidal-wave generator performs the permutation and combination of the control signals to sequentially generate... Agent: Birch Stewart Kolasch & Birch

20080048569 - Dielectric element and electron emitter: Provided are a dielectric element and an electron emitter exhibiting suppressed deterioration of element characteristics, which deterioration would otherwise occur with repeated use thereof. An electron emitter (i.e., a dielectric element) of the present invention is configured so as to operate through application of a predetermined driving electric field to... Agent: Burr & Brown

20080048570 - Discharge of a field emission display based on charge accumulation: A field emission device (100) is provided for reducing power and audible noise during discharging of dielectric surfaces (137, 138). The field emission device (100) comprises an anode (122) and a first substrate (111) including a cathode plate (110) comprising a plurality of active display devices (114) and dielectric surfaces... Agent: Ingrassia Fisher & Lorenz, P.C.

20080048571 - Organic light emitting device: An organic light emitting diode (OLED) display including a first electrode formed on a substrate, a second electrode facing the first electrode, first light emitting members disposed between the first electrode and the second electrode and emitting light included in a visible spectrum, and second light emitting members being in... Agent: F. Chau & Associates, LLC

20080048572 - Plasma display apparatus: A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel including a scan electrode, a sustain electrode, and an address electrode to intersect the scan electrode and the sustain electrode, an integrated driver for supplying the scan electrode or the sustain electrode with a sustain... Agent: Birch Stewart Kolasch & Birch

20080048573 - Controlled bleeder for power supply: An LED backlighting system including: a control circuit; a power source; at least one LED string associated with the power source, the at least one LED string being arranged to be switchably connected to alternatively draw an illumination current from the power source and not draw an illumination current from... Agent: Microsemi Corp - Amsg Ltd.

20080048574 - Intelligent electrical switching device: The present invention, according to a preferred embodiment, is directed to portable electronic devices which operate on exhaustible power sources, for example, batteries. The electronic devices of the present invention comprise at least one signal switch and a microchip in communication with the switch wherein the switch is only capable... Agent: Baker Botts L.L.P. Patent Department

20080048575 - Discharge lamp lighting circuit: A discharge lamp lighting circuit includes a power supplying portion having a series resonant circuit containing transistors and a bridge driver, and a control portion for generating a control signal Sc1 to control a driving frequency of the bridge driver. The control portion has a sample hold portion for generating... Agent: Fish & Richardson P.C.

20080048577 - Projector hid lam ballast having llc resonant converter: A ballast for a projector high-intensity discharge (HID) lamp includes an electrical connector and an inductor-inductor-capacitor (LLC) resonant converter. The electrical connector is receptive to electrical coupling with the projector HID lamp. The LLC resonant converter is to convert and transmit power received from a power source to the projector... Agent: Hewlett Packard Company

20080048576 - Method and apparatus for dimming hot cathode fluorescent lamp: The present invention discloses a method and an apparatus for dimming a hot cathode fluorescent lamp (HCFL) that combines frequency conversion and pulse width modulation (PWM) to change the outputted voltage and current of a piezoelectric transformer, so as to achieve the purpose of adjusting the brightness of a cathode... Agent: Birch Stewart Kolasch & Birch

20080048578 - Projector hid lamp ballast having auxiliary resonant circuit: A ballast for a projector high-intensity discharge (HID) lamp includes a resonant converter and an auxiliary resonant circuit. The resonant converter is to convert and transmit power received from a power source to the projector HID lamp. The auxiliary resonant circuit is to selectively boost the power transmitted to the... Agent: Hewlett Packard Company

20080048579 - 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.

20080048580 - Transformer for driving multi-lamp and backlight module thereof: A transformer for driving multi-lamps and a backlight module thereof are provided. The transformer comprises a primary winding, a secondary winding, a core, a first bobbin and a second bobbin. The primary winding comprises a primary coil. The secondary winding comprises a secondary coil and a plurality of auxiliary coils... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080048581 - Electronic ballast and method for driving fluorescent lamp: An electronic ballast comprising a pulse width modulation (PWM) unit and a power-converting unit is provided. The PWM unit is used for generating a PWM signal to the power-converting unit so that the power-converting unit can generate a driving signal to drive and light up the fluorescent lamp according to... Agent: J C Patents, Inc.

20080048583 - Light source device, lighting and driving method thereof and projector: A light source device, including: a high pressure discharge lamp in which an electric discharge is generated between a pair of electrodes; a lighting device that supplies drive current having a predetermined frequency to the high pressure discharge lamp to light and drive the high pressure discharge lamp; and a... Agent: Oliff & Berridge, PLC

20080048582 - Pwm method and apparatus, and light source driven thereby: The present invention provides a pulse-width modulation (PWM) method and apparatus, and light source driven thereby. In particular, the present invention provides a PWM method and apparatus for generating a PWM signal having a desired resolution and frequency using generating means traditionally limited to providing PWM signals having a lower... Agent: Patterson & Sheridan, L.L.P.

20080048584 - System and method for reducing flicker of compact gas discharge lamps at low lamp light output level: A lamp lighting system allows dimming of a compact gas discharge lamp to a low light output level without perceptible flicker. When the system receives a request to dim the lamp to the low level, the lamp is operated at an intermediate output level prior to operating the lamp at... Agent: Woodcock Washburn LLP

20080048585 - Lighting control: A method of applying realtime effects to at least one lighting channel (15) for a lighting fixture or luminaire (11) is disclosed. The method includes the steps of providing a common control means interface (12) which controls the different realtime effects (13/14) to be applied to the one or more... Agent: Brooks Kushman P.C.

20080048586 - Discharge lamp lighting apparatus and projector: A discharge lamp lighting apparatus comprising a d.c. power source section which rectifies and smoothes an a.c. voltage; a current detecting circuit which detects a current which flows through a discharge lamp; a power source ripple detecting circuit which detects a voltage change of power supplied from the d.c, power... Agent: Greenblum & Bernstein, P.L.C

20080048587 - Method for controlling an electrical light source by pulse width modulation: A method for controlling electrical light sources, in particular, light-emitting diodes (LEDs) by pulse width modulation of a supply voltage is disclosed, whereby the supply voltage or a parameter dependent thereon, for example the current or the electrical power, is measured and the pulse width is controlled as a function... Agent: Continental Teves, Inc.

20080048588 - System and method for current and/ or temperature control of light fixtures: A system (100) for current and/or temperature control of light fixtures includes a sensor (110) structured to be in communication with a light fixture (150), sense a current flow or a temperature of the light fixture (150), and communicate an input signal relative to the current flow or the temperature;... Agent: Baker, Donelson, Bearman, Caldwell & Berkowitz

20080048589 - Power supply apparatus using coil: A power supply apparatus (100) supplies a power to a plurality of fluorescent lamps (110). An AC power supply unit (20) supplies a common AC voltage Vac to the fluorescent lamps (110a to 110e). A plurality of coils (10a to 10e) are disposed on respective current paths for the plurality... Agent: Cantor Colburn, LLP

20080048590 - Voltage regulator: The present invention relates to control of a power supply for a lamps circuit. More particularly, the invention provides a power-saving voltage controller intended for fluorescent and incandescent lamps and is particularly useful for controlling high-intensity discharge (HID) lamps. The invention comprising a multi-mode switch-based AC voltage regulator with feedback,... Agent: Pearl Cohen Zedek Latzer, LLP

20080042578 - Light source controller and image display device: A light source controller includes a light source driver, a light amount sensor, a memory configured to store property information indicating a relationship between the drive current and the outgoing light amount for each level of the environmental temperature of the solid-state light source, and a controller configured to control... Agent: Ndq&m Watchstone LLP

20080042579 - Insulation detection power supply and electronic ballast: A power supply for an insulation detector having a heating element and a temperature sensitive switch thermally coupled to the heating element, the power supply including a power circuit 120 operable to provide heating element power 102 to the heating element 32; a short protector 108 operably connected to the... Agent: Philips Intellectual Property & Standards

20080042580 - Dual mode ion source for ion implantation: An ion source is disclosed for providing a range of ion beams consisting of either ionized clusters, such as B2Hx+, B5Hx+, B10Hx+, B18Hx+, P4+ or As4+′ or monomer ions, such as Ge+, In+, Sb+, B+, As+, and P+, to enable cluster implants and monomer implants into silicon substrates for the... Agent: Patent Administrator Katten Muchin Rosenman LLP

20080042581 - Device for the controlled switching of a lamp, use of the device and corresponding operating method: The invention relates to a device (1) for switching a lamp (2, 3) on and off that is controlled by a digital control input DALI. According to the invention, a load current monitoring is ensured.... Agent: Osram Sylvania Inc

20080042584 - 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, Mcfarron, Manzo, Cummings & Mehler Ltd

20080042583 - Organic el drive circuit and organic el display device using the same: A voltage corresponding to the maximum voltage value among respective terminal voltages at least at the time of light emission of organic EL elements is held in a hold circuit, and a power source circuit which generates electric power having a voltage higher by a predetermined value than the voltage... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080042582 - Organic electroluminescence element and method for driving the element: An organic electroluminescence element having a thin film of organic compound containing at least a light-emitting layer interposed between an anode and a cathode is disclosed. This element is driven by utilizing the sheet resistance of the anode or the cathode in a manner such that the distribution of brightness... Agent: Kanesaka Berner And Partners LLP

20080042585 - Synchronous light emitting diode lamp string: The present invention provides a light emitting diode lamp, which includes at least a light emitting diode and a control circuit. The light emitting diode lamp has an anode pin, a cathode pin, and a synchronous pin. The anode pin and the cathode pin receive a DC voltage, and the... Agent: Bacon & Thomas, PLLC

20080042586 - Discharge-lamp lighting apparatus: A discharge-lamp lighting apparatus includes series circuits connected to each end of a DC power source, a transformer, FETs Qp1, Qn1, Qp2, and Qn2, and a drive circuit. The drive circuit includes transistors Q1 and Q3 to discharge gate-source capacitances of the Qp1 and Qp2, resistance elements to determine gate... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080042587 - Inverter driving circuit: While series resonant circuits 51 to 53 are connected to an output stage of a switching circuit 101 so as to be parallel mutually, primary sides of booster transformer sections 1 to 3 are connected to resonance capacitors 14 to 16 respectively, and further, CCFLs 21 to 23 are connected... Agent: Snider & Associates

20080042590 - Display apparatus and control method thereof: A display apparatus and a control method thereof are provided. The inventive method and apparatus improves a response speed of a light source and image quality by minimizing a ripple of a current and reducing a time required to increase/decrease an amount of a current to drive a light source... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20080042589 - Inverter and invert unit: An inverter unit including a converter, a transformer, a feedback circuit and an open lamp lock circuit is provided. The converter receives a drive signal, and outputs a duty voltage signal accordingly. The transformer is selectively coupled with a lamp of a display panel module, and receives the duty voltage... Agent: Rabin & Berdo, PC

20080042588 - Electronic ballast with preheating and dimming control: A ballast circuit for controlling preheating, ignition or performing dimming of a gas discharge lamp such as a compact fluorescent lamp is disclosed. The ballast circuit has an inverter connected to a pair of input terminals for receiving a supply voltage, a base drive transformer connected to the switching transistor... Agent: Lee & Hayes, PLLC

20080042591 - Inductively-driven plasma light source: An apparatus for producing light includes a chamber that has a plasma discharge region and that contains an ionizable medium. The apparatus also includes a magnetic core that surrounds a portion of the plasma discharge region. The apparatus also includes a pulse power system for providing at least one pulse... Agent: Proskauer Rose LLP

20080042592 - Method and apparatus for reducing thermal stress in light-emitting elements: The present invention provides a method and apparatus for controlling the thermal gradient and therefore the thermal stress in light-emitting elements in which the light-emitting elements are exposed to temperature gradients caused by varying drive current under operating conditions. The method and apparatus according to the present invention can reduce... Agent: Gottlieb Rackman & Reisman PC

20080042593 - Multiple discharge lamp lighting apparatus: There is provided a multiple discharge lamp lighting apparatus, which includes an inverter means and plurality of inverter transformer. In the multiple discharge lighting apparatus, a discharge lamp is connected to the secondary winding of each inverter transformer, a ballast impedance element is connected in series between a switch means... Agent: Oliff & Berridge, PLC

20080042594 - Power supply for a metal vapour lamp: Power supply having a current generator and a starting generator for operating a lamp, the starting generator containing an inductance, which is arranged in the current path between the current generator and the lamp, and a high-voltage switch which is coupled to the inductance for the purpose of generating a... Agent: Thomson Licensing LLC

20080042596 - Backlight device and method for lcd displays: A backlight device for LCD displays can include a light-emitting source of the type that includes a cold-cathode or hot-cathode fluorescent tube that is lit with a high-frequency power supply. The high-frequency power supply can be PWM-controlled to adjust the brightness. The high-frequency power supply can also be randomly phase-modulated... Agent: Cermak Kenealy & Vaidya, LLP

20080042597 - Method and apparatus for controlling an input voltage to a light emitting diode: A method and apparatus for controlling an input voltage to a light emitting diode (LED) is disclosed. In one embodiment a system for controlling an input voltage to at least one LED includes an energy storage device. The energy storage device is coupled to the at least one LED. A... Agent: Patterson & Sheridan, LLP

20080042598 - Auxiliary lighting circuit for high intensity discharge system: The embodiment disclosed herein relates to a lighting system that includes an auxiliary lighting circuit for use with an electronic HID ballast. The lighting system comprises a power supply configured to provide power to a high intensity discharge (HID) lamp via an electronic ballast and a ballast power sensing component... Agent: Fay Sharpe LLP

20080042595 - Simplified ballast control circuit: A ballast control circuit for use with a fluorescent lamp in accordance with an embodiment of the present application includes a voltage controlled oscillator operable to provide an operating signal for the ballast control circuit, wherein a frequency of the operating signal depends on an input voltage provided to the... Agent: Ostrolenk Faber Gerb & Soffen

20080042599 - Ripple compensation method and apparatus: The present invention provides a ripple compensation method and apparatus that provides a means to compensate for drive current ripple-induced brightness fluctuations in an LEE based illumination system. The ripple compensation apparatus comprises a ripple evaluation module which is configured to evaluate a ripple compensation factor based on an evaluated... Agent: Mccormick, Paulding & Huber LLP

20080042600 - Display apparatus and method for driving the same: A display apparatus having a capacitive load (Cij), clamp circuits (103, 104) for clamping the potential of the capacitive load to high and low levels, power recovering circuits (103, 104) including coils for recovering power from the capacitive load and supplying the recovered power to the capacitive load, a display... Agent: Mcdermott Will & Emery LLP

20080036387 - Display device and manufacturing method thereof: A display device includes an insulating substrate having a display area, a line part including a data line and a gate line insulated from and crossing each other, a common voltage supplying part formed outside an outer circumference of the display area, an insulating layer formed on the common voltage... Agent: Cantor Colburn, LLP

20080036388 - Display device and method thereof: A display device includes an insulating substrate having a display region formed with a display unit, a wire having power supply, data, and gate lines, a circuit board connected to a first edge of the substrate parallel to the gate line and supplying common and driving voltages to the display... Agent: Cantor Colburn, LLP

20080036386 - Light emitting display: A light emitting display includes a data driver, a scan driver, and a display. The data driver generates a data signal and transmits the data signal to data lines. The scan driver generates a first selection signal and transmits the first selection signal to first scan lines. The display includes... Agent: Stein, Mcewen & Bui, LLP

20080036385 - Organic el drive circuit and organic el display device: An organic EL drive circuit and an organic EL display device is capable of preventing sticking of a display screen of the organic EL panel due to reduction of an output current of a relatively high withstand voltage transistor of a D/A converter circuit. In particular, an analog converted current... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080036389 - Plasma display apparatus: A plasma display apparatus is disclosed. The plasma display apparatus includes a first scan module and a second scan module each including a first terminal, a second terminal, one or more third terminals, and a fourth terminal. The first terminal receives a scan bias voltage during an address period, and... Agent: Birch Stewart Kolasch & Birch

20080036390 - Plasma display apparatus: A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel including a first electrode and a second electrode connected to a reference voltage source, a negative voltage controller that supplies a negative voltage output from a negative constant voltage source to the first electrode, a... Agent: Birch Stewart Kolasch & Birch

20080036391 - Half bridge inverter: A half bridge inverter includes a push/pull control chip outputting a first control signal and a second control signal. Each duty cycle of the two control signals is smaller than 50%. Moreover, both a first buffer circuit and a second buffer circuit are coupled to the push/pull control chip. A... Agent: Rosenberg, Klein & Lee

20080036392 - Method of detecting an arc in a glow-discharge device and apparatus for controlling a high-frequency arc discharge: In a method of detecting arc discharge in a glow-discharge apparatus GD that has a high-frequency power source PS, a cutting pulse is output for time T1 to the high-frequency power source PS to stop a supply of power to the glow-discharge apparatus GD, when dVr/dt−dVf/dt increases over a first... Agent: Volpe And Koenig, P.C.

20080036393 - Inverter circuit for discharge lamps for multi-lamp lighting and surface light source system: An inverter circuit for discharge lamps for multi-lamp lighting in which the value of a negative resistance characteristic of a fluorescent lamp is controlled, and an excessively set reactance is eliminated by causing a shunt transformer to have a reactance exceeding the negative resistance characteristic. Two coils connected to a... Agent: Birch Stewart Kolasch & Birch

20080036394 - Current sensing transformer, method of manufacturing current sensing transformer, lamp power supply having the current sensing transformer, and liquid crystal display having the lamp power supply: The present invention relates to a current sensing transformer, a method of manufacturing the same, a lamp power supply having the same, and a liquid crystal display (“LCD”) having the lamp power supply, where the current sensing transformer includes a printed circuit board (“PCB”) having an insulating base plate, a... Agent: Cantor Colburn, LLP

20080036396 - Electrode mount, arc tube, low-pressure mercury vapor discharge lamp, compact self-ballasted fluorescent lamp and method of manufacturing the arc tube: The electrode mount includes a filament coil, paired lead wires supporting the filament coil therebetween in a manner that the filament coil hangs across the lead wires; and bead glass retaining the paired leadwires. The arc tube includes an arc tube main body formed by winding a glass tube, and... Agent: Snell & Wilmer L.L.P. (matsushita)

20080036395 - Electronic ballast or operating device for illumination means having programmable or configurable control unit: In the case of an electronic ballast (1) for operating a lamp (10) or an operating device for illumination means, having mains terminals (5) for connecting the ballast (1) or operating device to a current supply, output terminals (6) for connecting a lamp or light source to the ballast (1)... Agent: Fitzpatrick Cella Harper & Scinto

20080036397 - Modular lighting system and lighting arrangement: A modular lighting system having a plurality of light modules, which each have a plurality of light modules accommodating at least one light-emitting diode module. The light modules have at least two mounting clearances, which run substantially parallel, and a mounting rod passes through each mounting clearance for mechanical fixing... Agent: Cohen Pontani Lieberman & Pavane LLP

20080036398 - Video and content controlled backlight: A display device includes a display panel; and a backlight panel provided below the display panel and defining a plurality of regions. A first array of light emitting diodes (LEDs) is provided along a first direction, each LED of the first array being coupled to a first line. A driver... Agent: Townsend And Townsend And Crew, LLP

20080036399 - System and methods for dimming a high pressure arc lamp: A driver circuit provides a drive current from a power source to an arc lamp to produce a light. The circuit includes a transformer having primary and secondary windings, with the ends of the secondary winding providing the lamp drive current to the arc lamp. A current steering module provides... Agent: Honeywell International Inc.

20080036400 - Backlight control circuit with two transistors: An exemplary backlight control circuit (20) includes: at least two load circuits (210), a pulse width modulation integrated circuit (PWM IC) (250) having a current sampling pin (251), a switching circuit (270), and an input circuit (230). Each load circuit includes a backlight and a backlight inspecting circuit having an... Agent: Wei Te Chung Foxconn International, Inc.

20080036401 - Dual mode lighting device: A dual mode lighting device including a processor (86), a bus monitor (90) operably connected to receive a received wired signal (96) and to provide a bus signal (100) to the processor (86), and an antenna (88) operably connected to receive a received wireless signal (92) and to provide an... Agent: Philips Intellectual Property & Standards

20080036402 - Method of detecting an arc in a glow-discharge device and apparatus for controlling a high-frequency arc discharge: In a method of detecting arc discharge in a glow-discharge apparatus GD that has a high-frequency power source PS, a cutting pulse is output for time T1 to the high-frequency power source PS to stop a supply of power to the glow-discharge apparatus GD, when dVr/dt−dVf/dt increases over a first... Agent: Volpe And Koenig, P.C.

20080030140 - Power outage light socket device: A power outage socket device that may be installed on a variety of lamps or light fixtures. The bottom of the device has a male connector adapted to be inserted into the light socket on the lamp or light fixture, in place of the light bulb. A female socket adapted... Agent: Baker, Donelson, Bearman, Caldwell & Berkowitz

20080030139 - Light-emitting device: A light-emitting device includes a light-emitting element 12 and a wiring substrate 11 having a substrate body 17 having a protruding portion 25 at a position where the light-emitting device 12 is disposed and wiring patterns 21 and 22 disposed on the substrate body 17 and electrically connected to the... Agent: Drinker Biddle & Reath (dc)

20080030141 - Illumination devices with cooling fans and cooling methods thereof: Methods for cooling an illumination device are disclosed. The illumination device comprises a cathode, an anode and a cooling fan. A variation of a lamp voltage of the illumination device is first detected. The lamp voltage is the voltage difference between the cathode and the anode, and the variation of... Agent: Quintero Law Office, PC

20080030142 - Power regenerating apparatus: A plasma display apparatus (10) is provided with: a control device 100; a PDP 900 including a display panel device 200 and a driving device 400; and a functional device 500. In operation of the PDP 900, an X driving device 420 and a Y driving device 430 of the... Agent: Nixon & Vanderhye, PC

20080030143 - Discharge lamp lighting device, and lighting equipment and lighting system using the device: A level shift IC (3b) of a power supply/shutoff section (3) is operable, when a shutoff signal (Sa) is input from a timer circuit (8) for a time T during an ON state of a discharge lamp (7), to turn off a MOSFET (3a) so as to shut off power... Agent: Greenblum & Bernstein, P.L.C

20080030144 - Intelligent gas discharge lamp control circuit: An electronic control circuit for intelligently controlling a gas discharge lamp associated with an HVAC system. The circuit includes a microcontroller having a memory containing instructions executable by the microcontroller to process a plurality of dynamic lamp state signals and dynamically generate control signals in at least partial dependence on... Agent: Law Office Of Philip A Steiner

20080030145 - High-frequency and high-voltage supply unit with retroactive control: According to the invention the supply unit comprises a control module (FIG. 4) and a switching module (FIG. 6) that is able to generate a type of square wave with constant amplitude and variable frequency (FIG. 8) that operates a resonant module (FIG. 7) that in turn consists of a... Agent: Jacobson Holman PLLC

20080030146 - Backlight driving and control circuit with an isolated power factor correction structure: A backlight driving and control circuit with an isolated power factor correction structure includes a power stage for providing a power supply; a driver stage having a first power factor correction unit for correcting the power factor of the power supply and outputting DC power; an inverter for converting a... Agent: Birch Stewart Kolasch & Birch

20080030147 - Backlight driving circuit with capacitive discharging current path and liquid crystal display with same: An exemplary backlight driving circuit (20) includes a first pulse generator (230), a second pulse generator (240), a transformer (250) having a primary winding (251), a first transistor (210), a second transistor (220), and a first capacitor (290). The first transistor is a P-MOSFET. The first transistor includes a gate... Agent: Wei Te Chung Foxconn International, Inc.

20080030149 - Controller for a decorative lighting system: A decorative lighting system includes a command controller, a plurality of illumination devices and a flexible cord interconnecting each. The command controller includes a microcontroller that provides a data signal and a clock signal. The data signal instructs a plurality of addresses corresponding to the lighting devices. Each illumination device... Agent: Alston & Bird LLP

20080030148 - Phase-controlled dimmable electronic ballasts for fluorescent lamps with very wide dimming range: In order to achieving wide dimming range for compact and tubular fluorescent lamps, two novel control approaches are proposed. (i) Novel techniques for suppressing oscillatory effects in the Triac circuit so as to maintain stable Triac operation over a wide firing angle range and (ii) a hybrid dimming control technique... Agent: Merchant & Gould PC

20080030150 - Lamp driving circuit for a discharge lamp and a control method thereof: A lamp driving circuit includes a step-up transformer, a detector, and a controller. The step-up transformer includes a primary winding, and a secondary winding adapted to cooperate with a discharge lamp to form a tank circuit that generates a tank current. The detector is adapted for detecting current magnitude of... Agent: Thelen Reid Brown Raysman & Steiner LLP

20080030151 - Light source driving device: A driving device for driving a light source module (12), includes an inverter circuit (15) for converting a received signal to a signal driving the light source module, a feedback and filter circuit (13) for feeding back currents flowing through the light sources and filtering radio frequency interference (RFI) signals... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20080030152 - Boron nitride thin-film emitter and production method thereof, and electron emitting method using boron nitride thin-film emitter: In a design of a boron nitride thin-film emitter comprising crystals that are each represented by a general formula BN, that each include sp3 bonded boron nitride, sp2 bonded boron nitride, or a mixture thereof, and that each exhibit an acute-ended shape excellent in field electron emission property; there is... Agent: Kanesaka Berner And Partners LLP

20080030153 - Lighting device: An illumination device that can adjust the chromaticity and brightness of the illuminating light in a broad range using a simple construction includes a first LED and a second LED having mutually different color temperatures, and a control circuit arranged to perform lighting and extinguishing control of the first and... Agent: Rohm Co., Ltd. C/o Keating & Bennett, LLP