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Electric lamp and discharge devices: systems December patents and inventions 12/08

20080315772 - Method and apparatus for lighting control: At least one light source (40) illuminates a room (10) that contains at least one item such as furniture (30). An item sensing device (62, 70) senses the item(s) and determines the location of the item(s) within the room (10). A lighting control system (82) controls the light source(s) in... Agent: Philips Intellectual Property & Standards

20080315773 - Light emitting diode driving circuit: A LED driving circuit that may control current flow into an LED on a current path according to the amount of light sensed from the LED. An LED driving circuit for driving at least one LED may include at least one of: An optical sensor for receiving light emitted from... Agent: Sherr & Vaughn, PLLC

20080315774 - Optical integrating cavity lighting system using multiple led light sources: A system to provide radiant energy of selectable spectral characteristic (e.g. a selectable color combination) uses an integrating cavity to combine energy of different wavelengths from different sources. The cavity has a diffusely reflective interior surface and an aperture for allowing emission of combined radiant energy. Sources of radiant energy... Agent: Mcdermott Will & Emery LLP

20080315775 - Electron emission device using abrupt metal-insulator transition and display including the same: An electron emission device having a high electron emitting rate and a display including the device are prodivided. The electron emission device using abrupt metal-insulator transition, the device including: a board; a metal-insulator transition (MIT) material layer disposed on the board and divided by a predetermined gap with portions of... Agent: Cantor Colburn, LLP

20080315776 - Traffic signal lights showing dynamic patterns, particularly as are interposed on continuous illumination: A traffic control signal light presents (1) a first, constant, light emission preferably from arrayed first LED light sources, in accompaniment with (2) a second light emission that is in any of time, hue, pitch (frequency), chroma and, most preferably, space, preferably from arrayed second LED light sources interspersed with... Agent: William C. Fuess Suite 2g

20080315778 - Light-emitting-diode drive circuit: A light-emitting-diode drive circuit for driving n (where n is a natural number equal to or greater than two) light-emitting diodes (LED1 to LEDn) connected in series includes n′ (where n′ is any natural number equal to or greater than two but equal to or less than n; here, n′=n−1)... Agent: Birch Stewart Kolasch & Birch

20080315777 - Variable-effect lighting system: A variable-effect lighting system includes a lamp assembly and a lamp controller coupled to the lamp assembly. The lamp assembly comprises a number of multi-coloured lamps in series with an AC voltage source and in series with each other. Each multi-coloured lamp comprises a first illuminating element for producing a... Agent: Greenberg Traurig, LLP

20080315779 - Electronic ballast having a flyback cat-ear power supply: An electronic ballast for driving a gas discharge lamp includes a rectifier to convert an AC mains input voltage to a rectified voltage, a valley-fill circuit for producing a DC bus voltage, an inverter for converting the DC bus voltage to a high-frequency AC voltage for driving the lamp, a... Agent: Lutron Electronics Co., Inc. Mark E. Rose

20080315780 - Light emitting diode driving device: There is provided an integrated LED driving device including: a DC/DC converting part converting and outputting a DC voltage inputted from the outside by switching of a switch into a driving voltage of a magnitude suitable for driving a plurality of LED arrays; a constant current controlling part receiving at... Agent: Lowe Hauptman Ham & Berner, LLP

20080315781 - Discharge lamp light-up control apparatus and power circuit: The present invention is directed to realize an optimum lamp control with an inexpensive configuration in a discharge lamp light-up control apparatus. A constant current control unit controls light-up of a discharge lamp by transmitting a control signal to an inverter and includes: a storage for storing lamp characteristics of... Agent: GlobalIPCounselors, LLP

20080315782 - Discharge lamp lighting apparatus and projector: A discharge lamp lighting apparatus for turning on a discharge lamp has a lighting condition in which a projection is formed at a tip of an electrode for electric discharge. In the discharge lamp lighting apparatus, when the polarity-reversal mode is the second mode, the inverter control circuit operates to... Agent: Rader Fishman & Grauer PLLC

20080315783 - Illumination light emitting element and illumination device provided therewith: An illumination light emitting element driving circuit includes a power factor improving circuit (2). The power factor improving circuit (2), when a load (illumination light emitting diode 17) of the illumination light emitting element driving circuit is light, performs operation (including stopping the operation) different from operation performed when the... Agent: Birch Stewart Kolasch & Birch

20080315784 - Led lamp structure: The present invention provides an LED lamp structure, including a circuit board, a circular coil, and a lamp housing. The circuit board has one or more LED light bulb mounted thereon, and the circular coil includes an iron core, a primary winding and a secondary winding, wherein the primary winding... Agent: Apex Juris, PLLC

20080315785 - Systems and methods for backlighting image displays: Systems and methods for backlighting an image display by independently driving multiple backlights for the display. The display may be, for example, a LCD display panel of a portable information handling system such as a battery-powered notebook computer that employs two or more cold cathode fluorescent lamps (CCFLs) for backlighting... Agent: O'keefe, Egan, Peterman & Enders LLP

20080315787 - Dimming algorithms based upon light bulb type: A lighting control circuit for dimming a light is provided with different algorithms that are utilized to dim fluorescent and incandescent lights. Some method of identifying the type of light which is to be dimmed, reports to a control for the lighting control circuit, and the appropriate algorithm is then... Agent: Masco Corporation

20080315789 - Light emitting diode driving circuit and light emitting diode array device: There is provided an LED driving circuit including: at least one ladder network circuit including: (n+1) number of first branches connected in parallel with one another by n number of first middle junction points between a first junction point and a second junction point, where n denotes an integer satisfying... Agent: Mcdermott Will & Emery LLP

20080315786 - Method and circuit arrangement for the operation of a discharge lamp: A method and a circuit arrangement for the operation of a discharge lamp, in particular of a high-pressure gas mercury discharge lamp (HID[high intensity discharge]) lamp or a UHP [ultra high performance] lamp, are described, which are used to improve the color rendering index of the light. This is essentially... Agent: Philips Intellectual Property & Standards

20080315788 - Oled display with aging and efficiency compensation: A method of compensating for changes in an OLED drive circuit, includes: providing a drive transistor; providing a first voltage source and a first switch; providing an OLED device connected to the drive transistor. Voltages are measured and used to compensate for changes in the OLED drive transistor.... Agent: Frank Pincelli, Patent Legal Staff, Eastman Kodak Company

20080315790 - Discharge lamp lighting control method, computer program, discharge lamp lighting control apparatus, and power supply circuit: Lighting of a discharge lamp is controlled in a manner to reduce deterioration of the discharge lamp subjected to high temperature and extend the lifetime of the discharge lamp. A method for controlling lighting of the discharge lamp includes a first constant current control process (period T1, which corresponds to... Agent: GlobalIPCounselors, LLP

20080315791 - Hybrid gas discharge lamp-led lighting system: A lighting system and method combine at least one LED and at least one gas discharge lamp within a common housing. The lighting system includes a control system to dependently operate each LED and each gas discharge lamp during overlapping, non-identical periods of time. In at least one embodiment, the... Agent: Hamilton & Terrile, LLP

20080315792 - Method and circuit for correcting a difference in light output at opposite ends of a fluorescent lamp array: A method and electrical circuit corrects a difference in light output at opposite ends of a fluorescent lamp array. An electrical circuit for correcting a difference in light output at the ends of a fluorescent lamp array includes a microcontroller and firmware for generating a first pulse-width modulated inverter switch... Agent: Ceyx Technologies, Inc.

20080315793 - Method and firmware for controlling voltage and current in a fluorescent lamp array: A method and firmware for controlling voltage and current in an electrical load includes steps of calculating a numerically quantized duty cycle of a pulse-width modulated, digital switch control signal by firmware in an inverter voltage microcontroller as a function of an inverter voltage and controlling the inverter voltage by... Agent: Ceyx Technologies, Inc.

20080315795 - Amplification circuit and heat sink used with a light emitting apparatus having varying voltages: A light emitting apparatus for regulating a current output of an LED at predetermined value with a power source having a wide variety of voltages and chemistries is described. A light emitting diode is electrically coupled to the voltage source. A pulse width modulation controller controls a duty cycle of... Agent: Ratnerprestia

20080315796 - Backlight modulation circuit and method thereof: A backlight modulation circuit includes an illumination controlling signal generating circuit, an illumination control signal separating circuit, and an illumination modulation circuit. The illumination controlling signal generating circuit is configured for receiving an modulation signal and generating an illumination controlling signal according to the modulation signal. The illumination control signal... Agent: Wei Te Chung Foxconn International, Inc.

20080315794 - Method and firmware for generting a digital dimming waveform for an inverter: A method and firmware for method of generating a digital dimming waveform for an inverter includes steps of receiving programmable parameters as input to firmware in an inverter voltage microcontroller including a soft start duration, a restrike voltage, a restrike duration, a recovery duration, a sustaining voltage, a dimming duty... Agent: Ceyx Technologies, Inc.

20080315797 - Method and firmware for controlling an inverter voltage by drive signal frequency: A method and firmware for controlling an inverter voltage includes steps of receiving as input a digitized feedback signal representative of an inverter voltage that varies with frequency according to a transfer function, calculating a frequency of a digital switch control signal in firmware in an inverter voltage microcontroller by... Agent: Ceyx Technologies, Inc.

20080315798 - User interface for lighting systems: A user-friendly interface device (100) for interacting with complex, adjustable lighting systems includes a switch (110, 135) configured to provide control signals; and a controller (155) for controlling the lighting system (175) in response to the control signals. A first control signal is provided to change the mode of the... Agent: Philips Intellectual Property & Standards

20080315799 - Apparatus for preventing leakage of material inside bulb for plasma lighting system: An apparatus for preventing leakage of a material inside a bulb for a plasma lighting system comprises a bulb containing a discharge material therein for emitting light as the discharge material becomes a plasma state by an electric field, and a magnetic field forming portion for preventing the discharge material... Agent: Birch Stewart Kolasch & Birch

20080315800 - Illumination brightness and color control system and method therefor: An illumination brightness and color control system and method therefor are provided. A broadband light source monitor senses and samples a point light source for a luminous intensity signal value. Then, a corrected current value is computed based on a difference between the luminous intensity signal value and a target... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080315801 - Dispersion-free radial transmission lines: A dispersion-free radial transmission line preferably for linear accelerators, having two plane conductors each with a central hole, and an electromagnetically permeable material between the two conductors and surrounding a central channel connecting the two central holes. At least one of the material parameters of relative magnetic permeability, relative dielectric... Agent: Lawrence Livermore National Security, LLC

20080309239 - Magnetron control method, magnetron service life judgment method, microwave generation device, magnetron service life judgment device, processing device, computer program, and storage medium: A microwave generation device includes: a magnetron having a cathode containing a filament and an anode containing a hollow resonator arranged to oppose to each other; a filament current measuring unit; and an application voltage measuring unit for measuring voltage applied to the filament. Based on the current and the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080309240 - Integral ballast-igniter-lamp unit for a high intensity discharge lamp: A high-intensity discharge lamp bulb with an attached housing for ballast and ignition electronics, forming an integral bulb and electronics unit. The electronics housing forms a removable closure for an access opening in a lamp enclosure. The electronics housing isolates the electronics from heat inside the lamp enclosure. A heat... Agent: General Electric Company Global Research

20080309241 - Method for igniting, intensifying the combustion or reforming of air-fuel and oxygen-fuel mixtures: This invention relates to power engineering industry and engine-building and is designed for intensification of chemical processes in the combustible mixture using pulsed periodic nanosecond high-voltage discharge in internal combustion engines of any kind, including (but not limited to) afterburners, combustors of detonation engines, jet engines and gas turbine engines,... Agent: Bachman & Lapointe, P.C.

20080309242 - Plasma source: A plasma source is described. The source includes a reactive impedance element formed from a plurality of electrodes. By providing such a plurality of electrodes and powering adjacent electrodes out of phase with one another, it is possible to improve the characteristics of the plasma generated.... Agent: Seed Intellectual Property Law Group PLLC

20080309243 - Flourescent lamp with integral proximity sensor for building energy management: A fluorescent lamp sensor system is provided. The fluorescent lamp sensor system includes a plurality of bulbs and a plurality of electrodes coupled to the bulbs. A balanced differential circuit measures changes in electric fields produced by the bulbs in front of the electrodes. The balanced differential circuit includes a... Agent: Gauthier & Connors, LLP

20080309244 - Primary-side driving control circuit for backlight of lcd panel: The present invention discloses a primary-side driving backlight circuit for LCD panel. The primary-side driving backlight circuit employs a single isolation device to achieve isolation request for safety for the secondary side. The PWM controller on the secondary-side of a transformer generates a control signal according to a feedback signal.... Agent: Rosenberg, Klein & Lee

20080309246 - Projector device employing ballast with flyback converter: A projector device employing ballast with a flyback converter is disclosed. For example, one embodiment comprises a lamp driver circuit including a power stage circuit including a flyback converter to output a direct current signal to a bridge circuit, the bridge circuit to reconstruct the direct current signal to an... Agent: Alleman Hall Mccoy Russell & Tuttle LLP

20080309245 - System and method for analog voltage processing in wide range for cold-cathode fluorescent lamp: System and method for processing analog voltage for cold-cathode fluorescent lamp. The system includes a voltage-to-current converter configured to receive an input analog voltage signal and generate a first current signal, and a current processing component configured to receive the first current signal and a predetermined current and generate a... Agent: Jones Day

20080309247 - Backlight control circuit having frequency setting circuit and method for controlling lighting of a lamp: An exemplary backlight control circuit includes an inverter, a pulse width modulation (PWM) circuit, and a frequency setting circuit. The inverter is configured to provide an alternating current voltage to a lamp. The PWM circuit is configured to provide a pulse control signal to the inverter. The frequency setting circuit... Agent: Wei Te Chung Foxconn International, Inc.

20080309248 - Backlight control circuit having frequency setting circuit and method for controlling lighting of a lamp: An exemplary backlight control circuit includes an inverter, a pulse width modulation (PWM) circuit, and a frequency setting circuit. The inverter is configured to provide an alternating current voltage to a lamp. The PWM circuit is configured to provide a pulse control signal to the inverter. The frequency setting circuit... Agent: Wei Te Chung Foxconn International, Inc.

20080309249 - Gas discharge lamp ignition: Ignition of a gas discharge lamp 10, which has a gas containing main space and two inner electrodes, of a lighting unit 4 of a lighting system is achieved by the use of a high frequency resonance circuit. The resonance circuit is connected to the inner electrodes and to a... Agent: Philips Intellectual Property & Standards

20080309250 - Radio station and method of operating a radio station: A lamp driver circuit supplies an alternating current having an operating frequency to a lamp, e.g. a fluorescent lamp, for operating the lamp. To switch off the lamp, the frequency of the alternating current is changed to a non-operating frequency. Due to the frequency change, the impedance of an impedance... Agent: Philips Intellectual Property & Standards

20080309252 - Controller of light dimmig and overload protection: The dimmer controller cart be installed within the structure of a light fixture or freestanding lamp, alternatively the circuit can be installed in a cord. The circuit includes a power shaping circuit for control of the incoming AC power which is then sent through a variable control dimmer to vary... Agent: Lieberman & Brandsdorfer, LLC

20080309251 - Device with improved display illumination and method therefore: A device having a display, an illuminator configured to illuminate the display and a multi-way input key configured to control the illuminator upon activation. The illuminator also has a power output, the output level being arranged to be regulated upon activation of the multi-way input key proportional to a physical... Agent: Perman & Green

20080309253 - Apparatus for remote control of lights: A multi-light control system with a single wireless remote control. A number of separate lights, such as fixtures or lamps, are individually plugged into and controlled by a control module. One control module can turn a light on or off, another module functions as a continuous dimmer, a third acts... Agent: Zito Tlp

20080309254 - Backlight unit for display service: Electronic devices/equipment, such as CD or MP3 players, PDAs, organizers, mobile phones, often include a backlight display unit. The area of the backlight unit can be divided into segments. The intensity of light for backlighting each such segment can be controlled separately, which may reduce the energy consumption of the... Agent: Myers Bigel Sibley & Sajovec

20080309255 - Lighting devices and methods for lighting: A lighting device comprises groups of solid state light emitters, a sensor and circuitry. If the emitters are illuminated, the sensor is exposed to combined light from the groups, and senses only a portion of the combined light. The circuitry adjusts current applied to at least one of the emitters... Agent: Burr & Brown

20080309257 - Diode lamp for simulating a filament lamp, and lamp monitoring method: An LED-based lamp assembly or diode lamp assembly effectively replaces a filament or incandescent type lamp assembly for cabin/compartment reading light applications for reducing power consumption and improving fuel efficiency. The diode lamp assembly comprises a light-emitting diode in circuit with peripheral components for effecting or simulating a low resistance... Agent: Meroni & Meroni, P.C.

20080309256 - Integrated circuit controller for ballast: The present invention provides an integrated circuit controller for ballast with preheat/repreheat filament and ignition time control. A charge/discharge circuit is connected to a capacitor to provide the charge/discharge path for the capacitor. It charges when integrated circuit controller without errors and discharges when error occurred during lamp operation or... Agent: Rosenberg, Klein & Lee

20080309258 - Driving method and control method of hot cathode fluorescent lamp, and estimation method of temperature of filament in hot cathode fluorescent lamp: An estimation method of the temperature of the filaments in the hot cathode fluorescent lamp (HCFL) is cooperated with a driving circuit, which drives a filament so that the filament has a filament voltage and a filament current. The estimation method includes the steps of measuring the filament voltage and/or... Agent: Birch Stewart Kolasch & Birch

20080309259 - Lighting system and a method for controlling a lighting system: This invention relates to method of controlling a lighting system including a plurality of polygonal lighting modules and a controlling device, which are able to communicate with each other. The lighting modules are arbitrarily arrange able, since each lighting module is able to communicate with neighboring lighting modules via communication... Agent: Philips Intellectual Property & Standards

20080303443 - Position lock trigger: Position Lock Trigger apparatus employs oscilloscope circuitry and accompanying control software to provide to a user the capability to trigger an oscilloscope on a selected bit position in a received serial bit stream having a fixed pattern length, using either a synthesized, recovered, or external clock source. The selected trigger... Agent: William K. Bucher Tektronix, Inc.

20080303444 - Led lighting module with radiating and automatic power-off functions: The present invention provides an LED lighting module with radiating and automatic power-off functions. The module includes a power supply element, an LED element and radiating member as well as a circuit linking them. The circuit linking the power supply element, LED element and radiating member is a serial loop,... Agent: Egbert Law Offices

20080303445 - Intelligent decorative displays with ambient electromagnetic field switching: A system and method of controlling self powered decorative devices using EMF emanating from, for example, a light string on a Christmas tree. The decorative devices sense the presence of EFM from the light string and actuate in response thereto and turn off when the field disappears, thereby saving energy.... Agent: Altera Law Group, LLC

20080303446 - Lamp system: A lamp system including a bulb assembly, a socket assembly, and a conductor base assembly is provided. The bulb assembly includes an insulation object, a first bulb pin, and a second bulb pin. The socket assembly includes an outer housing, a first conductive terminal, and a second conductive terminal. The... Agent: Jianq Chyun Intellectual Property Office

20080303447 - Inverter apparatus: An inverter converts input voltage to AC driving voltage to supply it to a load. Secondary coil of an output transformer are connected to the load. Secondary coil of a main transformer are connected to the primary coil of the output transformer. A driving circuit applies switching voltage alternately repeating... Agent: Cantor Colburn, LLP

20080303448 - Dielectric barrier discharge lamp system and driving method thereof having relatively better performance in startup and re-startup of dimming: The configurations of a dielectric barrier discharge lamp (DBDL) system and the driving method thereof are provided in the present invention. The proposed DBDL system includes a driver circuit receiving a DC input voltage and generating an AC output voltage, including a transformer having a primary winding and a secondary... Agent: Volpe And Koenig, P.C.

20080303449 - Cold cathode fluorescent lighting discharge tube device: A cold cathode fluorescent lighting discharge tube device is provided which comprises a first ballast element 21, 31 connected between each first end 3a of a pair (i) of discharge tubes 3 and a first output end 1a of an inverter 1, a second ballast element 22, 32 connected between... Agent: Bachman & Lapointe, P.C.

20080303450 - Method and circuit for driving a gas discharge lamp: The invention relates to a method for driving a gas discharge lamp and relates to a lamp driver circuit for driving a gas discharge lamp in accordance with said method. The method comprises supplying a current to the gas discharge lamp, reversing the direction of the current supplied to the... Agent: Philips Intellectual Property & Standards

20080303451 - Radio-frequency dimmer having a slider control: A dimmer control operable to adjust a status of a connected electrical lamp in response to a radio frequency control signal received from a remote control device, the dimmer control comprising a communication and control circuit comprising at least a radio frequency transmitter/receiver and an antenna operable to receive a... Agent: Ostrolenk Faber Gerb & Soffen

20080303452 - Led lighting device: The present invention relates to a multiple LED driver circuit in which each LED (15, 17) is controlled by a bypass switch (19, 21). The LEDs are supplied by a switched mode power supply (8) and are connected to a constant current source to draw a predetermined current through the... Agent: Philips Intellectual Property & Standards

20080303453 - Illumination control apparatus using a pulsating waves: An illumination control apparatus using a pulsating wave is disclosed, in which a pulsating power is supplied to an electric power supplied to a fluorescent light stabilizer which needs an AC voltage. The level of the same is varied and supplied to an illumination control, such as fluorescent light and... Agent: Ipla P.A.

20080303454 - Fluorescent tube lamp drive circuit: A drive circuit for driving a fluorescent tube lamp comprises a variable frequency oscillator generating a lamp drive frequency, a resonant drive circuit driving the lamp with the lamp drive frequency, and a control unit for driving the variable frequency of the latter under control of a synchronization signal. When... Agent: Philips Intellectual Property & Standards

20080303455 - Method for driving of a fluorescent lighting and a ballast stabilizer circuit for performing the same: A method of driving a fluorescent light, having: (a) receiving and full-wave rectifying commercial AC power; (b) dividing phases of the AC power full-wave rectified at step (a) depending on voltage magnitude, and performing switching control such that low-voltage portions of the divided voltages, having low phases, are used as... Agent: Greer, Burns & Crain

20080303456 - High efficiency power controller for solid state lighting: A high efficiency power controller comprising of a driver circuit to convert to direct current (DC) voltage from alternating current (AC) voltage is used for drive solid state lighting (SSL) including light emitting diode (LED) and organic light emitting diode (OLED). The driver circuit is comprises of an AC-DC limited... Agent: Jie Tan

20080303457 - Modular linac and systems to support same: Some embodiments include an accelerator waveguide to generate an accelerated radiation beam, and a housing to house to accelerator waveguide. The housing may include an interface to couple the housing to and to decouple the housing from a movable support. Some aspects include coupling a first interface of a housing... Agent: Siemens Corporation Intellectual Property Department

20080297053 - Method for controlling dual lamp module: A method for controlling a dual lamp module applied to a projection apparatus is provided. The dual lamp module includes a first lamp and a second lamp. The method for controlling a dual lamp module includes providing a first operating power to the first lamp, and then determining whether the... Agent: J C Patents, Inc.

20080297054 - White light luminaire with adjustable correlated colour temperature: The present invention provides a luminaire system and method for creating white light having a desired colour temperature. The system comprises one or more white light light-emitting elements for generating white light having a particular colour temperature. The system further comprises one or more first colour light-emitting elements and one... Agent: Philips Intellectual Property & Standards

20080297055 - Cathode potential controller, self light emission display device, electronic apparatus, and cathode potential controlling method: A cathode potential controller for controlling a common cathode potential applied to a self light emission type display panel in which an emission state of each of pixels is driven and controlled in accordance with an active matrix drive system, the cathode potential controller including: a self light emitting element;... Agent: Rader Fishman & Grauer PLLC

20080297056 - Light emitting element circuit and drive method thereof: The present invention provides a light emitting element circuit that includes a current mirror circuit which includes two thin film transistors, two current input terminals and two output terminals, a capacitor for holding voltage corresponding to an electric current to be input from one of the two current input terminals,... Agent: Fitzpatrick Cella Harper & Scinto

20080297057 - Plasma display panel and method of driving the same: A plasma display panel (PDP) includes a first substrate and a second substrate spaced apart and facing each other, first barrier ribs between the first and second substrates to define a plurality of discharge cells, first and second discharge electrodes along a first direction between the first and second substrates,... Agent: Lee & Morse, P.C.

20080297059 - Led control circuit and method: A LED control circuit for controlling the activation scheme of a plurality of LED light sources in an in-vivo swallowable imaging capsule is presented, which is designed for efficient operation and for flexible and changeable modes of operation.... Agent: Pearl Cohen Zedek Latzer, LLP

20080297058 - Method, apparatus, and system for driving led's: A method and apparatus for driving LED's is disclosed, comprising the steps of receiving a desired intensity value, wherein the desired intensity value represents the desired intensity for the LED's; generating a first switching control signal, wherein the first switching control signal is a pulse width modulated signal whose duty... Agent: Marjama Muldoon Blasiak & Sullivan LLP

20080297061 - Hid lighting control with transient voltage sensing and lamp restarting, and method of making and using: A voltage control apparatus (10) for an HID lamp includes a voltage control transformer circuit (20), and is connected between supply mains (22) and a high intensity discharge (HID) lamp. The HID lamp is started at full line voltage, and after a sufficient operating interval ensuring that the lamp has... Agent: Law Office Of Terry L. Miller

20080297060 - Switched led nightlight for single-gang junction box: A nightlight including a light emitting diode (LED) is provided. The nightlight includes a switch that is operative to control the flow of power to the LED. The nightlight also includes a driver circuit that is configured to convert alternating current to direct current, where the direct current provides power... Agent: King & Spalding LLP

20080297062 - Illuminating device: To a constant-current power supply whose output current can be variably set, light emitting modules can be connected in parallel. A control unit recognizes connection information outputted from an information output unit provided in each of the light emitting modules and varies the output current of the constant-current power supply.... Agent: Darby & Darby P.C.

20080297063 - Power gating of circuits: A control device for controlling power supplied to circuitry is disclosed. The circuitry comprises a plurality of portions, each of said plurality of circuit portions being arranged between a first voltage level source and a second voltage level source, said first and second voltage level sources being adapted to output... Agent: Nixon & Vanderhye, PC

20080297064 - High-pressure discharge lamp and light sources device using the same: The high-pressure discharge lamp includes: a pre-seal glass inserted in the internal space of each of seal portions and integrally comprising a metal foil sheathing portion which sheathes a metal foil, an electrode sheathing portion which sheathes a portion of an electrode that extends from a first end of the... Agent: Kubotera & Associate, LLC

20080297065 - Dual mode searchlight dimming controller systems and methods: A solid state microprocessor or digital signal processor (DSP) for dual mode illumination and dimming into modern aerospace searchlights. The system is a universal dimming platform with “smart functions” that include and are not limited to multiple light intensity linearization curves, analog and/or digital input dimming interface, built-in tests and... Agent: Honeywell International Inc. Patent Services Ab-2b

20080297066 - Illumination device and method for controlling an illumination device: The present invention relates to a method for controlling an illumination device (100), the illumination device (100) comprising a flux sensing unit (101) and at least two differently colored light sources (102, 103, 104), the method comprising the steps of switching on and off each of the light sources according... Agent: Philips Intellectual Property & Standards

20080297067 - Power regulation for led strings: One embodiment of the invention includes a power regulator system. The system comprises at least one current regulator configured to maintain a substantially constant current flow through each of at least one series connected light emitting diode (LED) string. The system also comprises a power converter configured to generate an... Agent: Texas Instruments Incorporated

20080297068 - Method and system for lighting control: A system and method for controlling an entertainment system is provided. The system can have at least one light source to generate variable light output and at least one controller coupled to the at least one light source to control the variable light output based on a number of interruptions... Agent: Akerman Senterfitt

20080297069 - Method and circuit for driving a low voltage light emitting diode: In a method for producing a control signal for regulating a drive current for driving an LED, a current through the LED is sensed, wherein the LED is driven by a power converter output, and wherein an output voltage of the power converter is proportionately controlled by a control signal.... Agent: Stmicroelectronics, Inc.

20080297070 - Programmable lighting unit and remote control for a programmable lighting unit: A programmable lighting unit includes a radio interface to be remote controlled by a radio remote control. In particular, the remote control sends parameter data which is supplied to parameter adjustment means in the programmable lighting unit which programs the parameter data such that a controller of the programmable lighting... Agent: Glenn Patent Group

20080297071 - Addressable or static light emitting or electronic apparatus: The present invention provides an addressable or static electronic apparatus, such as a light emitting display. An exemplary apparatus comprises a substrate having a plurality of cavities; a plurality of first conductors coupled to the substrate and at least partially within the cavities, with the plurality of first conductors having... Agent: Gamburd Law Group LLC

20080297072 - Lighting system comprising interconnectable lighting modules: This invention relates to a lighting system. The lighting system includes a plurality of interconnectable polygonal lighting modules, wherein each lighting module has a plurality of connection members each including at least one electrical terminal. The connection members are arranged rotationally symmetrically at the lighting module. The lighting system further... Agent: Philips Intellectual Property & Standards