Electric lamp and discharge devices: systems inventions 02/07

20070040510 - Microwave generator: A microwave generator comprises a magnetron having an anode and a cathode, oscillating by the current supplied to the anode, and generating a microwave, electric-field controlling means for controlling one of the frequency/phase and the amplitude of the microwave by varying the electric field, and magnetic-field varying means for stabilizing... Agent: Nixon & Vanderhye, PC

20070040511 - Arrangement for radiation generation by means of a gas discharge: An arrangement for the generation of radiation by a gas discharge has the object of achieving a considerable reduction in the inductance of the discharge circuit for the gas discharge while simultaneously increasing the lifetime of the electrode system. Also, the use of different emitters is ensured. A rotary electrode... Agent: Reed Smith, LLP Attn: Patent Records Department

20070040512 - Digitally controlled luminaire system: The present invention provides a luminaire system capable of generating light of a desired chromaticity and luminous flux output during continuous operation with varying ambient operating temperature. The luminaire system can be further capable of maintaining a desired correlated colour temperature during dimming of the luminaire. The luminaire system comprises... Agent: Pillsbury Winthrop Shaw Pittman LLP

20070040513 - 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

20070040514 - High efficiency driver for color light emitting diodes (led): An efficient power driver for color light emitting diodes (LED) is disclosed for driving multiple LEDs for producing different desired colors. Such LED combinations comprising LEDs with different primary colors are suitable for implementing pixels in displaying a digitized image. This disclosed invention provides switching power conversion embodiments such that... Agent: Dickstein Shapiro LLP

20070040515 - Apparatus and method for maximizing the longevity of arc tube bulbs during pulsing operation: Heating or powering a filament less light bulb, and preferably a High Intensity Discharge light sufficiently close to steady state temperature and then pulsing the current, thereby improving and or maximizing the life of the bulb, reducing the power draw during pulsing mode, and obtaining maximum brightness during the entire... Agent: Todd E. Zenger Kirton & Mcconkie

20070040516 - Ac to dc power supply with pfc for lamp: One stage AC to DC converter 206 can be realized by discrete components without controller 209, active startup circuit, feedback circuit or sample circuit. Main switch and active startup circuit can be integrated in IC controller. The AC to DC converter is not used only for lamp. It is can... Agent: Liang Chen

20070040517 - Control circuit and system for fluorescent lamp: A control circuit for controlling a fluorescent lamp is provided. The control circuit for a fluorescent lamp according to the present invention employs a pulse generator for generating a pulse signal, having a frequency varying within a predetermined range, to control the inverter to drive the fluorescent lamp, and thus... Agent: Jianq Chyun Intellectual Property Office

20070040518 - Intelligent drive circuit for a light emitting diode (led) light engine: A controller for controlling a light emitting diode (LED) light engine. The controller includes a temperature sensor configured to sensor temperature at the LED light engine. A current sensor senses a drive current of the LED light engine. A voltage differential sensor senses a voltage differential across LEDs of the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070035253 - Tanning apparatus: A tanning apparatus for radiation treatment for personal care includes at least one gas discharge UV lamp (7), at least one ballast (8) connected in series with said at least one gas discharge lamp, and at least one incandescent lamp separate from the gas discharge lamp or lamps. The weight... Agent: Philips Intellectual Property & Standards

20070035254 - Apparatus and methods for manufacturing a high voltage to low voltage lighting fixture adapter: A method and an apparatus that enables converting a high voltage lighting fixture for use with a low voltage lighting system are disclosed. The method comprises providing a housing having a cavity, providing a low voltage light source socket having two electrical contacts having sufficient spacing to accommodate a low... Agent: The Patel Law Firm, P.C.

20070035255 - Led strobe for hazard protection systems: A light-emitting diode (“LED”) based strobe may be used in automated system to provide a visual alert to occupants and/or building personnel if an emergency condition exists. A LED based strobe provides an even distribution of light having a sharp, bright pulse of light desired for emergency evacuation using lower... Agent: Siemens Corporation Intellectual Property Department

20070035256 - Gas discharge lamp power supply: An apparatus for providing power to a gas discharge lamp comprises a storage capacitor and an ignitron switch coupled through a primarily parasitic first inductor to a parallel combination of a diode assembly and a second inductor in series with a gas discharge lamp. The second inductor is selected to... Agent: Jay Chesavage

20070035257 - Balance coil and inverter for driving backlight: Provided is an inverter for driving a backlight such as LCD, wherein the inverter includes a driving circuit for driving at least two of a plurality of lamps; a transformer for connecting the driving circuit to the plurality of lamps; and a balance coil connected to at least two of... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070035258 - Lamp drive circuit: A lamp drive circuit used for driving a number of lamps is provided. The lamps are used in the backlight module. The backlight module is used for providing a light source during a liquid crystal display displays. The lamps are respectively electrically connected to a coil is. The coils substantially... Agent: Rabin & Berdo, PC

20070035259 - Inverter controller with feed-forward compensation: The present invention is an inverter controller with feed-forward compensation. The inverter controller includes an error amplifier, a high frequency oscillator (HFOSC) with feed-forward compensation, a comparator, and a driver. The error amplifier can output a signal independent on the variation of a supply voltage. The HFOSC can generate a... Agent: Carlton Fields, Pa

20070035260 - Dual-plunger energy switch: A dual-plunger energy switch assembly for standing wave linear particle beam accelerators capable of operating in a higher energy mode and a lower energy mode employs two mechanical plungers that can be extended different distances inside two side cavities of the linear accelerator. When the linear accelerator is operated in... Agent: Siemens Corporation Intellectual Property Department

20070029936 - Inductively powered gas discharge lamp: An inductively powered gas discharge lamp including both a power coil and a heating coils associated with each filament. The heating coils enable the filaments to be preheated before the starting voltage is applied through the power coils. The inductive power coils and the inductive heater coils are contained within... Agent: Warner, Norcross & Judd In Re: Alticor Inc.

20070029937 - Series connected light string with filament shunting: A string set of series-connected incandescent bulbs in which substantially all of the bulb filaments in the set are individually provided with a shunt circuit which includes a voltage responsive switch which is inoperative during normal operation of the string set when connected to a source of operating potential and... Agent: Dickstein Shapiro LLP

20070029938 - Multi-functional high intensity discharge automobile headlamp: A multi-functional high intensity discharge automobile headlamp features a circuit board installed within a system control box. The circuit board comprise a circuit for automatic detection and protection so that the voltages of the near lights and far lights can be determined and correctly switched, a circuit for DC/DC conversion... Agent: Jack Lin

20070029939 - Electroluminescent sign having a coded information region: An electroluminescent sign and a method for selectively illuminating such an electroluminescent sign is disclosed. The method can include steps of creating an electroluminescent sign having an electroluminescent region and a coded information region, the coded information region providing instructions to illuminate the electroluminescent region. The method can further include... Agent: Hewlett Packard Company

20070029940 - Driving method of display device using organic self-luminous element and driving circuit of same: In the present invention, only in screen display with a low lighting ratio in which low gradation display, which tends to cause writing insufficiency, is often performed, a writing current is multiplied by N to increase a characteristic fluctuation compensation ability of driving and transistors and reduce display unevenness. In... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070029941 - Organic electroluminescence display apparatus: There is provided a high-definition and small-parallax active-driving organic EL display apparatus capable of avoiding complication of manufacturing processes and skyrocketing in component and material expenses. A plurality of organic EL elements BU, GU, and RU are multi-layered in a single subpixel area. All of active elements (i.e., thin-film transistors... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070029942 - Plasma display and plasma display driver and method of driving plasma display: A plasma display includes a plurality of scan electrodes. A scan voltage is sequentially supplied to the plurality of scan electrodes, and a non-scan voltage that is higher than the scan voltage is supplied to scan electrodes to which the scan voltage is supplied. The non-scan voltage is generated by... Agent: Robert E. Bushnell

20070029943 - Ballast with lampholder arc protection: The invention provides an electronic ballast for a fluorescent-lamp (20), including a fluorescent-lamp ballast circuit (30), an arc detection circuit (40) electrically connected to the fluorescent-lamp ballast circuit (30), and a lamp cutoff device (50) in series with the fluorescent (20) and electrically coupled to the arc detection circuit (40).... Agent: Philips Intellectual Property & Standards

20070029944 - Cold cathode fluorescent lamp assembly: A cold cathode fluorescent lamp (CCFL) assembly includes a pair of CCFLs, and an inverter-type drive circuit. The drive circuit includes a first transformer having a primary winding adapted to be coupled to a power supply module, and a secondary winding with a pair of terminals. The CCFLs are coupled... Agent: Harness, Dickey & Pierce, P.L.C

20070029945 - Dc/ac inverter: A DC/AC inverter provided for transforming a DC voltage source into an AC power source, wherein the AC signal is used for driving a fluorescent lamp. The inverter comprises a half-bridge switch circuitry electrically connected to the DC voltage source, for outputting an AC signal, a resonant tank electrically connected... Agent: John Chen

20070029946 - Apparatus of light source and adjustable control circuit for leds: A control circuit for LEDs is adapted for controlling brightness of a plurality of LEDs as light source in an LCD. The control circuit comprises a control pulse generator and a plurality of LED direct current supplies. The control pulse generator is used for receiving a brightness adjusting signal and... Agent: Jianq Chyun Intellectual Property Office

20070029948 - Control method for discharge lamp: A method for controlling a discharge lamp by a power controlling device on an automobile vehicle includes a starting step and a switching step. The device supplies electricity to the lamp. In the starting step, the discharge lamp starts to emit a light such that the device supplies a first... Agent: Harness, Dickey & Pierce, P.L.C

20070029947 - Inverter driving circuit: An inverter driving circuit includes a micro-controller and a PWM control unit to replace the double PWM control units adopted in conventional techniques. A voltage feedback signal may be captured from a connection line which links an inverter and a load. The voltage feedback signal is sent to the micro-controller... Agent: Birch Stewart Kolasch & Birch

20070029949 - Light management system device and method: A lighting control system is disclosed. The lighting control system is electrically coupled to a load circuit for controlling indoor and/or outdoor lighting. The lighting control system includes a control module with a night light for providing low-level night light illumination and one or more sensors for operatively controlling the... Agent: Haverstock & Owens LLP Attn: James A. Gavney (agent)

20070029950 - Liquid crystal display with flat fluorescent lamp and controlling method thereof: An LCD shuts down an inverter when a supply time of a high current from the inverter to a lamp exceeds an allowable time, and also controls the allowable time according to an ambient temperature, thereby minimizing damage to a lamp due to overheating in a high-brightness driving operation.... Agent: F. Chau & Associates, LLC

20070029951 - Multiple electroluminescent lamp driver: The invention relates to an electroluminescent (EL) lamp driver for controlling the luminescent brightness of at least two EL lamps (28, 38), wherein the driver I is adapted to receive at least two setpoint values corresponding to luminescent brightness of the EL lamps and to create charge waveforms (128, 138)... Agent: Cantor Colburn, LLP

20070029952 - Coherent emission of spontaneous asynchronous radiation: Particles are sorted for emitting coherent radiation, specifically high-energy particles capable of coherent emission. Particles move toward a coherent emission chamber using molecular flow, so coherently emitting particles are collimated and minimize their distribution of output frequencies. Particles exit a coherent emission chamber in molecular flow, so coherent emission emits... Agent: Swernofsky Law Group PC

20070024199 - Master-slave control architecture for inverters: A master-slave control architecture for inverters includes a master control circuit board which has a master control unit to output a plurality of frequency signals of the same phase and same frequency so that driving units on a plurality of separated slave control circuit boards on the rear end can... Agent: Birch Stewart Kolasch & Birch

20070024200 - Headlight control apparatus and method for vehicle: A headlight control apparatus and method controls an irradiation direction of a headlight. This apparatus uses a navigation-based swivel angle calculated based upon the shape of a road in a navigation-based control period, and a steering-based swivel angle calculated based upon a steering angle in a steering-based control period. When... Agent: Nixon & Vanderhye, PC

20070024201 - Plasma accelerating apparatus and plasma processing system having the same: A plasma accelerating apparatus and a plasma processing system, which efficiently elevate a drift velocity of a plasma beam and are simple to manufacture and simple in construction. A channel includes an outlet port opening at an end of the channel. A gas supply portion supplies a gas in the... Agent: Sughrue Mion, PLLC

20070024202 - Power supply and plasma display including the power supply: A power supply and a plasma display including the power supply includes: a switch electrically coupled to an input terminal; and a Pulse Width Modulation Integrated Circuit (PWM IC) adapted to control a duty cycle ratio of the switch, and to output a predetermined voltage through an output terminal according... Agent: Robert E. Bushnell

20070024203 - Plasma panel comprising cement partition barriers: Display panel comprising two plates leaving between them a sealed space that is filled with a discharge gas and is partitioned into discharge cells bounded between these plates by barrier ribs made of a mineral material comprising a mineral binder based on a hydraulic binder, and a mineral filler. By... Agent: Joseph S Tripoli Thomson Licensing Inc

20070024205 - Discharge lamp lighting apparatus: A discharge lamp lighting apparatus is provided which includes: a high-voltage transformer; a switching circuit to drive the primary side of the transformer; a frequency changing means to change an operating frequency of the switching circuit according to lighting conditions of a discharge lamp; and first and second resonant circuits... Agent: Oliff & Berridge, PLC

20070024204 - Lighting circuit for high-pressure discharge lamp: To provide a lighting circuit of a projector that can be driven by both the commercial alternating-current power supply and a battery and is convenient for portable use. A lighting circuit for a high-pressure discharge lamp 14 includes: a DC/DC converter 1 that boosts a direct-current voltage and outputs the... Agent: Lucas & Mercanti, LLP

20070024206 - Discharge lamp operating device, discharge lamp operating method, light source device, and display: A discharge lamp operating device includes a voltage application unit that applies to a discharge lamp an alternating-current (AC) voltage for operation of the discharge lamp, and a frequency setting unit that sets a frequency of the AC voltage to a first frequency for ignition of the discharge lamp and... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070024207 - Lamp lighting apparatus: A lamp lighting apparatus includes an arc spot movement detector (5) for monitoring an DC voltage Vb which is the bus voltage of an inverter (3), and for detecting a movement of an arc spot which appears before a lamp 1 enters a state where human beings can recognize a... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070024208 - Circuit arrangement and method of operating a gas discharge lamp: The invention relates to a circuit arrangement for operating a gas discharge lamp with a current. According to the invention, the current comprises a high-frequency AC component and a low-frequency AC component.... Agent: Philips Intellectual Property & Standards

20070024211 - Constant current class 3 lighting system: A flexible cable is provided for a lighting system having a power supply that includes a power supply input to receive a first signal having a first frequency and a circuit for converting the first signal to a second signal, and at least one luminaire coupled to a lamp driver.... Agent: Sonnenschein Nath & Rosenthal LLP

20070024210 - Lighting apparatus and method for controlling brightness and color location thereof: A lighting apparatus emitting polychromatic light comprising light of at least two light-channels with different colors, wherein each light-channel is controlled by one modified pulse-width-modulated signal (modified PWM-signal), and each modified PWM-signal results from the modulation of one color-pulse-width-modulated signal (color-PWM-signal) with an intensity-pulse-width-modulated signal (intensity-PWM-signal) in order to control... Agent: Fish & Richardson PC

20070024212 - Multi-lamp driver: A multi-lamp driver t disclosed, comprising a power driver coupled to a plurality of lamps to supply power thereto, a feedback circuit coupled to at least one of the lamps to generate a feedback signal, a control circuit coupled between the feedback circuit and the power driver to control the... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070024209 - Protection control circuit for discharge lamps: A protection control circuit for discharge lamps aims to control protection signals input to a load at a rear end of a high voltage output zone that are generated during abnormal conditions. The high voltage output zone has a control unit and a driving unit, and a switch device interposed... Agent: Birch Stewart Kolasch & Birch

20070024213 - Pulsed current averaging controller with amplitude modulation and time division multiplexing for arrays of independent pluralities of light emitting diodes: Exemplary embodiments provide a system, method and appartus for regulating current in loads, such as in an array of independent pluralities of light emitting diodes (“LEDs”). An exemplary system comprises a multiplexer adapted to switch current to each independent string of LEDs; a first controller to maintain a substantially constant... Agent: Gamburd Law Group LLC

20070024214 - Illumination source activation based on temperature sensing: A method for determining whether to activate an illumination source includes directing an air current across at least a portion of the illumination source and across at least a portion of a temperature sensor. The method also includes sensing the temperature of the air current with the temperature sensor and... Agent: Hewlett Packard Company

20070024215 - Ignitor turn-off switch for hid ballasts: The instant invention relates to an ignitor turn-off switch for ballasts for high intensity discharge (HID) lamps to prevent damage to ballasts by disconnecting the ignitor if a lamp has failed or is missing. The ignitor turn-off switch circuit comprises an AC power source, a full-wave bridge rectifier circuit, a... Agent: Levenfeld Pearlstein Intellectual Property Department

20070024216 - Video display apparatus and video display method: A video display apparatus including a display unit and a horizontal deflector to deflect a beam scanned onto the display unit based on a video signal including horizontal synchronization information. The video display apparatus may further include a signal generator to generate a pulse signal having a predetermined duty ratio... Agent: Stanzione & Kim, LLP