|Electric lamp and discharge devices: systems patents - Monitor Patents|
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Electric lamp and discharge devices: systemsBelow are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 12/05/2013 > 41 patent applications in 32 patent subcategories.
20130320846 - Method of axial alignment of charged particle beam and charged particle beam system: A method of axially aligning a charged particle beam implemented by a charged particle beam system equipped with an astigmatic correction lens including a first pair of coils and a second pair of coils. The method starts with obtaining first to sixth sets of image data while varying currents flowing... Agent:
20130320847 - Display device, method for driving the same, and electronic apparatus: A display device including a pixel array unit having a matrix of pixels each configured such that an anode electrode of an organic electroluminescent element is connected to a source electrode of a drive transistor, a gate electrode of the drive transistor is connected to a source or drain electrode... Agent: Sony Corporation
20130320848 - Light-emitting device: A light-emitting device that is less influenced by variations in threshold voltage of a transistor is provided. Further, a light-emitting device in which variations in luminance due to variations in threshold voltage of a transistor can be reduced is provided. Further, influences due to variations in threshold voltage of a... Agent:
20130320849 - Device for operating a lamp unit: It is inventively provided that the controller and the control unit exchange characteristic data of the lamp, in particular current parameter data, temperature protection data, socket current data, or the like via the data channel, and the controller has an indicator with an indicator value, wherein in the instant of... Agent:
20130320850 - Lighting device and vehicle headlamp: A switching circuit includes an active element connected in parallel to a second light source block and having an impedance that varies in accordance with a control signal input into a control terminal, and switches the second light source block between a lit condition and an extinguished condition by switching... Agent: Panasonic Corporation
20130320851 - Organic light emitting diode display: Disclosed is an organic light emitting diode display, including a first substrate including an organic light emitting diode and a driving circuit part for driving the light emitting diode, a second substrate facing the first substrate and covering the light emitting diode and the driving circuit part, a connection unit... Agent: G&cs Co., Ltd
20130320852 - Phase difference detector, phase difference detection program, and plasma processing system using the phase difference detector: A phase difference detector detects the phase difference between two AC signals at a high speed and with high accuracy. A phase difference computation unit computes the phase difference φr(=φ2−φ1) between two detected voltages v1 (phase angle: φ1) and v2 (phase angle: φ2). The phase difference computation unit uses a... Agent:
20130320854 - Inductively coupled plasma flood gun using an immersed low inductance rf coil and multicusp magnetic arrangement: An inductively coupled radio frequency plasma flood gun having a plasma chamber with one or more apertures, a gas source capable of supplying a gaseous substance to the plasma chamber, a single-turn coil disposed within the plasma chamber, and a power source coupled to the coil for inductively coupling radio... Agent: Varian Semiconductor Equipment Associates, Inc.
20130320853 - Passive power distribution for multiple electrode inductive plasma source: Systems, methods, and Apparatus for controlling the spatial distribution of a plasma in a processing chamber are disclosed. An exemplary system includes a primary inductor disposed to excite the plasma when power is actively applied to the primary inductor; at least one secondary inductor located in proximity to the primary... Agent: Advanced Energy Industries, Inc.
20130320855 - Solid-state auxiliary lamp: A solid-state auxiliary lamp includes a lamp head having a plurality of LED modules; a thermoelectric cooler coupled to the LED modules; and a drive unit. The drive unit can include a plurality of current sources, each of the current sources coupled to a corresponding LED module; and a processor... Agent: Vektrex Electronic Systems, Inc.
20130320856 - Load driving apparatus relating to led lamp and method thereof and illumination apparatus using the same: The disclosure provides a load driving apparatus relating to an LED lamp and a method thereof and an illumination apparatus using the same. The disclosure can use a low-pass filter to filter out the high-frequency PWM signal output from the control chip and to provide a DC low voltage level... Agent: Beyond Innovation Technology Co., Ltd.
20130320857 - Light emitting diode driving circuit: The present disclosure provides a light emitting diode driving circuit, comprising: a power conversion module having an input end, a control end and an output end, wherein the input end receives a voltage, the control end controls the regulation of the duty cycle signal therein according to a received control... Agent: Delta Electronics (shanghai) Co., Ltd.
20130320858 - Pool cleaner light module: Embodiments of the invention provide a light module for a pool cleaner. The light module can include a housing, a paddle wheel, a generator, and at least one light emitting diode (LED). The housing can be removably coupled to the pool cleaner and can include a flow directing portion positioned... Agent:
20130320859 - Intelligent light retrofit: An apparatus and method of retrofitting a light fixture are disclosed. One method includes interfacing a retrofit controller with a dimming ballast of the light fixture, connecting the retrofit controller to at least one sensor, and connecting the retrofit controller to a power supply. Another embodiment includes a light fixture... Agent: Enlighted, Inc.
20130320860 - Vase-shaped device, light wall device, and system: An objective is to provide a vase-shaped device, a light wall device, and a system which accentuate the beauty of flowers by implementing “interactive flower arrangement” in which the color of the vase-shaped device and that of a space around the vase-shaped device change according to the color of the... Agent:
20130320861 - Fully integrated intelligent lighting module: One embodiment of a fully integrated intelligent lighting module with built-in heat sink allows conventional electrodeless discharge lamps, LED, or electrodeless plasma lamps to be converted into intelligent electrodeless discharge lamps or electrodeless plasma lamps with minimal effort. Such a module may be comprised of a driver for an electrodeless... Agent:
20130320862 - Led lighting systems: Light fixture systems and application of ambient light measurement for improving lighting system efficiency.... Agent: Lumenpulse Lighting Inc.
20130320863 - Lighting device and a lighting system: A lighting device comprises a plurality of light sources (61) fixedly mounted on a support. At least one of the light sources is operable independently of the other light source(s), and optionally every one of the light sources is operable independently of every other light source. The lighting device has... Agent: Sharp Kabushiki Kaisha
20130320864 - Method of controlling lights and system for managing lights using the same: In a light-installed area where a plurality of lights are installed, a light managing system senses a moving object that enters the light-installed area and predicts an predicted stop position of the moving object based on record information on a channel of movement corresponding to identification information on the moving... Agent: Electronics And Telecommunications Research Institute
20130320865 - Sensor device: A sensor device includes a sensor that transmits radio waves of a predetermined frequency and receives reflected waves of the transmitted radio waves. The sensor device detects presence of a moving body based on a difference between a frequency of the transmitted radio waves and a frequency of the reflected... Agent: Panasonic Corporation
20130320866 - Lighting system with reduced standby power: A lighting system with reduced standby power according to the embodiment includes a main control unit to control a lighting device; a driver to supply the control signal to the lighting device; and an AC-DC converting circuit to supply power to the driver. A method of reducing standby power according... Agent:
20130320869 - Electromagnetic ballast-compatible lighting driver for light-emitting diode lamp: A lighting driver includes a shunt switch circuit configured to detect when an input of the lighting driver is connected to mains power without a ballast, and in response thereto to disable the lighting driver, and further configured to detect a type of ballast connected to the input of the... Agent: Koninklijke Philips N.v.
20130320867 - Led lighting apparatus: Disclosed is an LED lighting apparatus capable of improving a power factor and temperature characteristics. The LED lighting apparatus according to a preferred embodiment of the present invention includes a light source having a plurality of LED channels and performs a current regulating operation to allow a light source to... Agent:
20130320868 - Led lighting apparatus and control circuit thereof: Disclosed is a light emitting diode lighting apparatus capable of improving a power factor and temperature characteristics. The light emitting diode lighting apparatus according to a preferred embodiment of the present invention includes a light source having a plurality of light emitting diode channels and performs a current regulating operation... Agent:
20130320870 - Light-emitting module and luminaire: A light-emitting module includes a first light-emitting element group which includes first light-emitting elements and in which the plural first light-emitting elements are connected in series. Besides, the light-emitting module includes a second light-emitting element group which includes second light-emitting elements whose rate of change of light-emitting efficiency and rate... Agent: Toshiba Lighting & Technology Corporation
20130320871 - High efficiency constant current led driver: The present invention discloses a high efficiency constant current LED driver, which comprises a rectification bridge, a PFC main circuit, an isolated DC/DC converter, a PFC controller and a PFC bus control circuit. Since the input voltage is an intermediate PFC bus voltage, which varies with the output voltage of... Agent: Inventronics (hangzhou),inc.
20130320872 - Light-emitting diode driving circuit: A light-emitting diode (LED) driving circuit includes a power factor correction (PFC) circuit and a driving controller. The PFC circuit controls a power factor of the LED driving circuit. The LED driving circuit includes an inductor, a switch, a current detection circuit, and a time detection circuit. The inductor senses... Agent: Macroblock, Inc.
20130320873 - Sensing device, sensing charger and sensing emergency lamp: A sensing device includes a sensing transmitting module and a sensing receiving module respectively mounted in a first housing and a second housing. And an output terminal of the sensing transmitting module and an input terminal of the sensing receiving module are provided with a sensing coil and an electromagnetic... Agent:
20130320874 - Lighting apparatus having a lighting means comprising at least one led: The invention relates to a lighting apparatus (1) having a lighting means (2) comprising at least one LED and having a first device (3) co-operating with a pulse width modulation device (4) for optionally adjusting a brightness of the LED. In order to simplify the maintenance of the lighting apparatus... Agent: Diehl Aerospace Gmbh
20130320875 - Interface circuit for a lighting device: e
20130320876 - Rejecting noise transients while turning off a fluorescent lamp using a starter unit: A local minimum of a current monitoring signal is identified by a starter unit that turns off a fluorescent lamp without using a wall switch. Closing a main switch in the starter unit stops an illuminating current from flowing through a gas in the lamp. The local minimum of the... Agent: Zilog, Inc.
20130320877 - Remote control of a legacy fluorescent lamp fixture: A legacy-type fluorescent lamp fixture involves a magnetic ballast and a starter unit socket. Power savings are realized by using a retrofit fluorescent lamp assembly in place of the fluorescent lamp that would ordinarily by held in the fixture. The retrofit assembly may, for example, have a smaller fluorescent lamp.... Agent: Zilog, Inc.
20130320879 - Light emitting device: A light emitting device includes a main body that defines an inner space therein and that includes a light-transmissive part, a light emitting unit disposed in the inner space, and an electrode. The electrode has a device-connecting portion electrically connected to and extending from the light emitting unit, a power-connecting... Agent: Ultimate Image Corporation
20130320878 - Switching module of adjusting a visual angle and related backlight system: A switching module capable of adjusting a visual angle is disclosed. The switching module includes an edge-type optical substrate, a light source disposed by a side of the edge-type optical substrate, and an optical modulating component disposed between the light source and the edge-type optical substrate. The edge-type optical substrate... Agent:
20130320880 - Rms responding voltage converter for led lights: An RMS responding voltage converter for LED lights is disclosed.... Agent:
20130320881 - Current overshoot limiting circuit: This document discusses, among other things, an apparatus, system, and method to limit a current overshoot in an electronic component using a switched feedback circuit to precondition a gate of a transistor coupled to the electronic component.... Agent: Fairchild Semiconductor Corporation
20130320883 - Device and method for interfacing a dimming control input to a dimmable lighting driver with galvanic isolation: A dimmer interface (110, 300) for a dimmable lighting driver (100) for a lighting unit (20) includes: a pulse width modulator (320, 420, 500) configured to generate a pulse width modulated signal (V2) from a dimming control input (Vdim), where the dimming control input (Vdim) is variable to adjust the... Agent: Koninkjike Phillips N.v.
20130320884 - Drive device for light-emitting element: A drive device for a light-emitting element that improves accuracy while driving the light-emitting element at small currents for which a comparatively simple configuration is provided. The drive device includes detecting means, comparing means, a driving voltage source, and offset means. The detecting means detects a voltage corresponding to a... Agent: Pioneer Corporation
20130320882 - Integrated on-time extension for non-dissipative bleeding in a power supply: An example controller for a switched mode power supply includes a zero crossing detector, drive logic, and a logic gate. The zero-crossing detector generates a zero-crossing signal indicating a zero-crossing condition in the power supply. The drive logic generates a drive logic output signal in response to the zero-crossing signal... Agent: Power Integrations, Inc.
20130320885 - Audience participatory effect system and method: A system for providing effects during an event includes a control device and multiple audience devices, where each of the audience devices are worn by or otherwise associated with individual members of the audience. Signals from an emitter on the control device control the effects on the audience devices. Lighting... Agent:
20130313971 - Gallium ion source and materials therefore: In one embodiment, a method for generating an ion beam having gallium ions includes providing at least a portion of a gallium compound target in a plasma chamber, the gallium compound target comprising gallium and at least one additional element. The method also includes initiating a plasma in the plasma... Agent: Varian Semiconductor Equipment Associates, Inc.
20130313973 - Led bypass and control circuit for fault tolerant led systems: A light system (FIG. 2) is disclosed. The light system includes a plurality of series connected light emitting diodes (240-246). Each of a plurality of switching devices (230-236) has a control terminal and each has a current path coupled in parallel with a respective LED. A plurality of fault detector... Agent: Texas Instruments Incorporated
20130313972 - Multicolor led sequencer: A multicolored LED luminaire module is provided that can be controlled using a single driver and only two wires. The LED luminaire module comprises a plurality of LEDs and a sequencer. The sequencer connects each LED to the circuit in a predetermined order. Synchronously with the sequencer, the driver transmits... Agent: Vektrex Electronics Systems, Inc.
20130313974 - Led driver adapted to electronic transformer: Disclosed is an LED driver adapted to an electronic transformer, where the LED driver can ensure that the electronic transformer meets minimum load current requirements, and operates during an entire AC period by clamping the minimum inductor current. By controlling the LED load current through a current stabilization control circuit,... Agent: Silergy Semiconductor Technology (hangzhou) Ltd
20130313975 - Portable electric lamp having a current limitation device: Portable electric lamp including a lighting module, and a compact case containing a power supply for supplying the lighting module and a limitation device for a current delivered by the power supply, the limitation device including a controlled limitation switch coupled between a reference terminal of the power supply and... Agent:
20130313976 - Brightness regulation system for illuminaton device: A brightness regulation system includes a plurality of illumination devices, a portable electronic device, and a management device. The portable electronic device detects a brightness value of a local environment. The management device compares the brightness value of the local environment with a predetermined value, and regulates brightness of the... Agent: Fih (hong Kong) Limited
20130313977 - Lighting control system: A lighting control system includes lighting devices arranged along a road for a moving body. Each lighting device includes a sensor that detects a moving body approaching the lighting device, a light source that emits light, a sensor that detects the moving body, a control unit connected to the sensor... Agent: Panasonic Corporation
20130313978 - Led flood light including thermosensitive and photosensitive sensors: In accordance with various embodiments, there is provided a light-emitting diode lamp, which includes a body shell, and a light source assembly arranged in a cavity of the body shell. The light source assembly includes a light-emitting diode. The light-emitting diode lamp further includes a thermosensitive sensor, and a photosensitive... Agent:
20130313979 - Photo control for a luminaire: An improved lighting control for a luminaire operates an LED luminaire so that its relay opens and closes at or very near the zero current cross-over point so as to reduce the in-rush current to the luminaire, and, if the relay contacts do become stuck, the photo control senses the... Agent: Ripley Lighting Controls, LLC
20130313980 - Embodiments of a field emission device: In one embodiment, the trajectory of one or more electrons is controlled in a field emission device. In another embodiment, the field emission device is configured analogously to a klystron. In another embodiment, the field emission device is configured with electrical circuitry selected to control the input and output of... Agent:
20130313981 - Plasma display device: The number of components forming a scan electrode driver circuit is suppressed. For this purpose, a scan pulse generation circuit includes a first electric power supply for generating a positive voltage to be superimposed on the reference electric potential of the scan pulse generation circuit, high-voltage-side transistors for outputting the... Agent: Panasonic Corporation
20130313982 - Solid state lighting, drive circuit and method of driving same: A power converter output stage provides acceptable current matching between sets or strings of solid state light sources (e.g., LEDs) with different forward voltages, and protects the sets or strings from excessive over-current in the case of a light source failing as a short. The sets or strings are electrically... Agent: Express Imaging Systems, LLC
20130313983 - Lighting unit with led strip: What is described is a lighting unit 10 with a plurality of lighting segments 30a, 30b. The lighting segments 30a, 30b are arranged on a strip 40 in spaced relation from each other. Each lighting segment 30a, 30b is connected to an electrical supply terminal 20. In order to obtain... Agent: Koninklijke Philips N.v.
20130313984 - Actuating a plurality of series-connected luminous elements: A circuit for actuating a plurality of light-emitting means which are connected in series, comprising a plurality of electronic switches, which can be actuated depending on a rectified system voltage. The plurality of electronic switches are arranged in parallel with at least some of the light-emitting means, wherein each of... Agent:
20130313986 - Light emitting apparatus: A light emitting apparatus includes a power supply providing power having a predetermined frequency, a plurality of light emitting diode arrays, and at least one frequency converter. The light emitting diode arrays are electrically connected to the power supply and respectively have an array structure in which at least one... Agent: Samsung Electronics Co., Ltd.
20130313985 - Method of driving a light source, light source apparatus for performing the method and display apparatus having the light source apparatus: A method of driving a light source includes outputting a variable driving voltage to a light source part, sensing a first voltage based on the driving voltage and developed at a first end of the light source part, sensing a second voltage developed at a second end of the light... Agent: Samsung Display Co., Ltd.
20130313988 - Method and apparatus for controlling a multi-colored led light string: A method and apparatus for controlling a light string is provided. A controller is coupled to the light string and is used to bias one or more of the multicolor LEDs within each bulb on the light string. Using a prearranged determination of 1) the multicolor LEDs within each bulb,... Agent:
20130313987 - Methods and apparatus for segmenting and driving led-based lighting units: A plurality of LED-based lighting units is segmented into a plurality of LED-based lighting segments connected in series. Each lighting segment has a plurality of LED-based lighting units connected in series with at least a series-connection switch, and a bypass-connection switch is connected in parallel with the series of LED-based... Agent:
20130313989 - High efficiency led drivers with high power factor: The present invention relates to a high efficiency, high power factor LED driver for driving an LED device. In one embodiment, an LED driver can include: an LED current detection circuit coupled to the LED device, and configured to generate a feedback signal that represents an error between a driving... Agent: Silergy Semiconductor Technology (hangzhou) Ltd
20130313990 - Display and light source: A device includes a light emitting diode (LED) module and a switch. The switch further includes a first contact grounded through a first resistor, a second contact grounded through a second resistor, and a fixed contact connecting to the LED module. When the fixed contact is connected to the first... Agent: Hong Fu Jin Precision Industry (shenzhen) Co., Ltd.
20130313991 - Flicker-free linear led driver circuit with high power factor: The flicker-free linear LED driver circuit with high power factor has a rectifier unit, an LED unit, a constant current unit, a storage capacitor and a voltage controlled transistor; the rectifier unit is connected to an AC power and converts the AC power into a pulsating DC power; the LED... Agent: Luxul Technology Incorporation
20130313992 - Method for controlling a streetlight: A method for controlling a streetlight that is provided to illuminate a portion of the street, the method being performed by a controlling device having a memory accessible by a processor which controls a steering module which steering module is operatively coupled to the streetlight.... Agent: Schreder S.a.
20130313993 - Voltage slope control method and apparatus for power driver circuit application: A drive circuit includes a first transistor coupled in series with a second transistor at a first intermediate node coupled to a load. An amplifier has an output driving a control terminal of the second transistor. The amplifier includes a first input coupled to a second intermediate node and a... Agent: Stmicroelectronics (shenzhen) R&d Co. Ltd.
20130313994 - Multiple light projection type image display apparatus combining and projecting lights from light sources and control apparatus therefor: In a control apparatus for use in a multiple light projection type image display apparatus, the control apparatus includes a light source driver part configured to drive a plurality of light sources; and an apparatus controller configured to control the light source driver part. The light source driver part drives... Agent: Panasonic Corporation
20130313995 - Dimmable led driver: A dimmable driver comprising a dimming control signal.... Agent:
20130313996 - High current switching converter for led applications: A step-up switching voltage regulator includes two or more inductors and a switching network. A control circuit drives the switching network in a repeating sequence that includes: a magnetizing phase where the inductors are connected in series between an input voltage and ground; and a charge transfer phase where the... Agent: Advanced Analogic Technologies, Inc.
20130313997 - High efficacy lighting signal converter and associated methods: A signal adapting chromacity system to control that may include a signal conversion engine to receive a source signal designating a color of light defined by a two spatial plus luminance dimensional color space, such as the xxY color space. The signal conversion engine may convert the source signal to... Agent: Lighting Science Group Corporation
20130313998 - Two-wire dimmer switch for low-power loads: A two-wire load control device (such as, a dimmer switch) for controlling the amount of power delivered from an AC power source to an electrical load (such as, a high-efficiency lighting load) includes a thyristor coupled between the source and the load, a gate coupling circuit coupled between a first... Agent: Lutron Electronics Co., Inc.
20130313999 - Gamma voltage generating circuit and display device including the same: A gamma voltage generating circuit includes a gamma voltage distribution unit configured to divide a reference voltage to generate a plurality of initial gamma reference voltages, and a gamma voltage selection unit configured to generate gamma reference voltages by selecting first gamma reference voltages, corresponding to a first color pixel,... Agent: Samsung Electronics Co., Ltd.
20130314001 - Light-emitting device with temperature compensation: The present application provides a light-emitting device comprising a first light-emitting diode group; a second light-emitting diode group electrically connected to the first light-emitting diode group in parallel; and a temperature compensation. element electrically connected to the second light-emitting diode group in series; and a first switch device connected between... Agent: Epistar Corporation
20130314000 - Load driving device, and lighting apparatus and liquid crystal display device using the same: A load driving device disclosed in the specification includes a power supply circuit for supplying to a load an output voltage converted from an input voltage, a detection voltage generation circuit for generating a detection voltage which varies depending on a magnitude of a voltage drop which across the load,... Agent: Rohm Co., Ltd.
20130314002 - Digital phase angle detection and processing: Apparatus and methods operate to perform digital time sampling of a waveform associated with a rectified alternating current, edge-controlled power signal, whether leading or trailing edge-controlled. A dimming code (DIM code) is generated based upon rising and falling edge zero crossing timing. The DIM code is normalized with respect to... Agent:
20130314003 - Driving circuit for backlight led: A driving circuit for backlight LED comprises a power input, a control module, a voltage promotion module and a filter circuit module. The filter circuit is connected between the power input and the voltage promotion module. The filter circuit module is configured to filter ripple voltage signals from the power... Agent: Hong Fu Jin Precision Industry (shenzhen) Co., Ltd.
20130314004 - Flexible electrical connection of an led-based illumination device to a light fixture: An electrical interface module (EIM) is provided between an LED illumination device and a light fixture. The EIM includes an arrangement of contacts that are adapted to be coupled to an LED illumination device and a second arrangement of contacts that are adapted to be coupled to the light fixture... Agent: Xicato, Inc.11/21/2013 > 30 patent applications in 23 patent subcategories.
20130307409 - Lighted display system and apparatus: The present invention is a lighted display system which interacts with its environment. Sensors and product and consumer databases feed information to a central processing unit which then selects a given lighting pattern to control illumination of a product display. Relevant information could include consumer profiles, product sale data, discount... Agent:
20130307410 - Instrument for vehicle: A vehicle instrument configured so that turning on and off the light sources without depending on inputted vehicle information enables the instrument to be illuminated in a visually effective manner. The instrument is provided with: input circuits into which vehicle information is inputted as electric signals and which are provided... Agent: Nippon Seiki Co., Ltd.
20130307411 - Vehicle led lighting device: A vehicle LED lighting device includes a drive control means 51 includes an abnormality detection means 60 detecting a disconnection or short-circuit abnormality of the LED lamp, the abnormality detection means 60 includes a current detection unit 61 detecting the value of a current flowing through the LED lamps 20... Agent: Honda Motor Co., Ltd
20130307412 - Emergency battery converter: An emergency battery converter system provides a low-cost emergency battery converter and lighting system. The battery converter system includes an emergency battery pack, a lighting driver, and an emergency luminaire. In certain example embodiments, the emergency battery pack is coupled to a power delivery system and is charged by the... Agent:
20130307413 - Circular hollow anode ion electron plasma source: The Circular Hollow Anode Ion Electron Plasma Source is a hollow anode ion electron plasma source presenting the limited area of the inner surface only of an anode exit aperture, leading to high brightness and high efficiency in a simple robust plasma device.... Agent:
20130307414 - Hybrid plasma reactor: A hybrid plasma reactor includes a reactor body having a plasma discharge space, a gas inlet, and a gas outlet; a hybrid plasma source including an inductive antenna inductively coupled to plasma formed in the plasma discharge space and a primary winding coil transformer coupled to the plasma and wound... Agent:
20130307416 - Open circuit protecting circuit, open circuit protecting method and illuminating apparatus: The present application discloses an open circuit protecting circuit, an open circuit protecting method and an illuminating apparatus. The open circuit protecting circuit is configured in an apparatus with a LED load being supplied with power by a current source, and comprises: a switch circuit, a timer circuit and a... Agent:
20130307415 - Solid-state lighting apparatus and methods using switched energy storage: An apparatus includes at least one LED, at least one charge storage device and a switching circuit configured to route current through the least one LED to the at least one charge storage device for a first state of an applied voltage and to discharge the at least one charge... Agent: Cree, Inc.
20130307417 - High power direct drive circuit: A driver circuit for driving an LED includes a rectifier circuit to receive AC voltage and to convert the AC voltage to DC voltage. The driver circuit further includes a filter circuit for filtering the DC voltage. The driver circuit further includes a detection circuit for determining a change in... Agent: Technical Consumer Products, Inc.
20130307418 - Apparatus and method of energy efficient illumination: An illumination system correlates solar time to a clock and controls lighting or illumination based on time. The illumination system may turn ON light source(s) at a first level at a turn ON time, correlated to be around or at dusk, and turn OFF light source(s) at a turn OFF... Agent: Express Imaging Systems, LLC
20130307419 - Lighting system with sensor feedback: A lighting system includes multiple light sources, a sensing unit, and a control system. The light sources have different emission spectra, and the sensing unit is configured to measure a spectral content of light. The control system may be configured to use measurements from the sensing unit to select respective... Agent:
20130307420 - Edge lit luminaires for windows: A luminaire is provided that is configured as a window having a light guide with one or more light sources coupled to one or more edges of the light guide. Light emitted from the light guide can be used e.g., to supplement natural light passing through the window or to... Agent:
20130307421 - Pixel circuit, display device, and electronic device: An object is to enable application of forward/reverse voltage to or forward/reverse current to a display element and to lower power consumption of a driver circuit for driving a pixel. A memory storing the potential of a source signal line input through a switch, a first transistor whose gate is... Agent: Semiconductor Energy Laboratory Co., Ltd.
20130307422 - Driver circuit for solid state light sources: A driver circuit for a light source including one or more solid state light sources, a luminaire including the same, and a method of so driving the solid state light sources are provided. The driver circuit includes a rectifier circuit that receives an alternating current (AC) input voltage and provides... Agent: Osram Sylvania Inc.
20130307423 - Led lighting apparatus driven by alternating current: An AC-driven LED lighting apparatus comprises a rectifying circuit to rectify an AC voltage to convert the AC voltage to a DC rectified voltage, an LED block serving as a load receiving a current from the rectifying circuit and including at least one LED, a current source to adjust a... Agent:
20130307424 - Device and method for driving an led light: An approach is provided for devices and methods for driving an LED light, which adjust the numbers of diodes of the LED string corresponding to the rectified AC voltage. The device comprises a power module, a LED string, a current source and a controller. The LED string has multiple LED... Agent:
20130307425 - Constant current control buck converter without current sense: A light emitting diode (LED) controller provides constant current regulation for a converter circuit providing current to an LED. The LED controller senses an inductor voltage and determines an inductor reset time from the sensed inductor voltage. Based on the determined inductor reset time, a switch on time and a... Agent: Iwatt Inc.
20130307426 - Power supply and method for electric lighting device: Disclosed herein are a power control system (110) and method for a light emitting diode (LED) lighting device. The system includes a rectifier (125) to rectify an input voltage, a squaring module (145) for squaring the rectified input voltage to produce a squared input voltage value; a filter (155) to... Agent: Secure Manufacturing Pty Ltd
20130307427 - Current balancing led driver circuit and method therof: A light emitting diode current-balancing driving circuit is provided. In accordance with the first aspect of the present invention, a light emitting diode current-balancing driving circuit is provided. The light emitting diode current-balancing driving circuit includes a plurality of rectifiers; a current-balancing circuit having a plurality of capacitors respectively coupled... Agent: National Cheng Kung University
20130307428 - Driver device and driving method for driving a load, in particular an led unit: The present invention relates to a driver device (40; 50; 60) and a corresponding driving method for driving a load (12), in particular an LED unit (12) including one or more LEDs, said driver device comprising a power input unit (14) for receiving an input voltage (V10) from an external... Agent: Koninklijke Philips N.v.
20130307429 - Multiple voltage ballast: A ballast and method for operating a ballast includes a switch or other circuit for connecting and disconnecting a voltage multiplier to a rectifier circuit. A control circuit for controlling the switch senses an input voltage and connects the voltage multiplier to the rectifier circuit when an input voltage falls... Agent: Fulham Company Limited
20130307430 - Control circuit for a phase-cut dimmer and a method of controlling a phase-cut dimmer: A control circuit is disclosed for lighting applications having a load and an AC leading-edge phase-cut dimmer comprising a phase-cutting switch, the circuit comprising: a detection circuit for detecting a deadlock state of the dimmer; and an activation circuit configured to, in response to the detection circuit detecting a deadlock... Agent: Nxp B.v.
20130307433 - Control method of lamp: The control method comprises the following steps. Firstly, whether a touch event occurs in a control device is determined. Then, responding to a color temperature set and a brightness set from the control device, a first PWM and a second PWM is generated. Then, whether the lamp connects with to... Agent: Lextar Electronics Corporation
20130307431 - Systems and methods for dimming control using system controllers: System and method for dimming control. The system includes a system controller, a transistor, and a resistor. The system controller includes a first controller terminal and a second controller terminal. The transistor includes a first transistor terminal, a second transistor terminal and a third transistor terminal. The resistor including a... Agent: On-bright Electronics (shanghai) Co., Ltd.
20130307432 - Systems and methods for providing power to high-intensity-discharge lamps: System and method for igniting one or more high-intensity-discharge lamps. A system includes an ignition controller configured to generate one or more signal pulses for a pulse signal during a first predetermined time period and to cause one or more voltage pulses to be applied to the one or more... Agent: On-bright Electronics (shanghai) Co., Ltd.
20130307434 - Method and apparatus for controlling a lighting device: Aspects of the disclosure provide a method. The method includes detecting a dimming characteristic in an energy source that provides energy to be transferred to a load via a magnetic component, receiving a dimming control signal, and controlling a switch in connection with the magnetic component based on the dimming... Agent: Marvell World Trade Ltd.
20130307435 - Power supply device, vehicle-mounted device, and vehicle: A power-supply device has a first power supply circuit adapted to generate from an input voltage a first output voltage and a second power supply circuit adapted to generate from the first output voltage a second output voltage. The second power supply circuit monitors the first output voltage to check... Agent: Rohm Co., Ltd.
20130307436 - Method for improving operation lifetime of capacitor, capacitor control circuit structure and use thereof: The invention provides a method for improving operation lifetime of a capacitor module in an electronic circuit employing the capacitor module, comprising the steps of providing two or more capacitor modules of same configuration; and controlling alternately a respective one of the capacitor modules to operate in the electronic circuit... Agent:
20130307437 - Energy density intensifier for accelerating, compressing and trapping charged particles in a solenoid magnetic field: The Energy Density Intensifier for Accelerating, Compressing and Trapping Charged Particles in a Solenoid Magnetic Field is a method and apparatus operable upon a population of charged particles possessing an initial angular momentum (magnetic moment) within a vacuum mirror solenoid magnetic field. An electric field is applied generally along the... Agent:
20130307438 - Centroidal cycltron charged paticle accelerator: The Centroidal Cyclotron reveals an apparatus and method for accelerating and trapping charged particles in a solenoid magnetic field. An oscillating electric field is applied generally transverse to the magnetic field axis accelerating and trapping charged particles by their inherent cyclotron frequency at a given magnetic field of the solenoid... Agent:11/14/2013 > 33 patent applications in 28 patent subcategories.
20130300286 - Method and apparatus for generating electron beams: Various embodiments of the present invention relate to a plasma electron source apparatus. The apparatus comprises a cathode discharge chamber in which a plasma is generated, an exit hole provided in said cathode discharge chamber from which electrons from the plasma are extracted by an accelerating field provided between said... Agent: Arcam Ab
20130300287 - Generating microwave radiation: A method for operating a device having an anode and a cathode for generating microwave radiation with an accelerating voltage is provided. A chronological sequence of the accelerating voltage is provided by a series of voltage pulses. A first voltage pulse with an operating amplitude is applied between the anode... Agent:
20130300288 - Method and device for forming a plasma beam: The invention relates to a method and device for forming a plasma beam. According to the invention: the quality of the electroneutrality of the plasma beam (PB) is detected (in 12 and/or 13); and the alternating polarisation potentials of the extraction and acceleration grid (4) are adjusted such that the... Agent: Ecole Polytechnique
20130300289 - Electrode assemblies, plasma generating apparatuses, and methods for generating plasma: Electrode assemblies for plasma reactors include a structure or device for constraining an arc endpoint to a selected area or region on an electrode. In some embodiments, the structure or device may comprise one or more insulating members covering a portion of an electrode. In additional embodiments, the structure or... Agent:
20130300290 - Self-calibrating multi-directional security luminaire and associated methods: A luminaire may include a wall mount and a driver circuit housing connected to the wall mount. The luminaire may also include a camera housing connected to the driver circuit housing, a light source housing connected to the camera housing, and a light source array that includes a plurality of... Agent:
20130300291 - Electric protection mechanism for light controller: An electric protection mechanism for a light controller includes an overload protection device. The overload protection device includes a lamplight controller, a power controller, and a load detector. A current sensor is provided between the power controller and a light. An overload detector is provided to detect the state of... Agent:
20130300292 - Lighting system having a dimming color simulating an incandescent light: A lighting system has a lighting fixture with a white light source and a color light source, a control circuit pulses the white and color light sources and changes relative duty cycles of the light sources to alter a color output of the lighting fixture, in response to a change... Agent:
20130300293 - Active led voltage clamp: An active clamp current sink is used to voltage protect a low voltage rated, high power current sink that drives illumination current through a string of serially connected LEDs. When the LEDs are turned off as part of a PWM configuration, the forward voltage on the LEDs falls, and the... Agent: Advanced Analogic Technologies, Inc.
20130300295 - Apparatus and method for bypassing failed leds in lighting arrays: An apparatus, method and system for controlling one or multiple lighting sources such as those powered by driver circuits or voltage splitting methods, to provide an alternative current path around a failed lighting source when one or more individual lighting sources fail.... Agent: Musco Corporation
20130300294 - Method and system for driving light emitting elements: A system topology and circuit design for efficiently and stably driving currents through strings of solid state light emitting elements by providing current sources that are controlled by a stable voltage reference.... Agent:
20130300296 - Led flash light and method for indicating near-end-of-life status of such an led flash light: The invention comprises a method for indicating that an LED flash light for an aircraft such as an anti-collision or beacon or strobe LED light has reached a near-end-of-life status, wherein the LED flash light under normal operational condition within a given time interval generates a predetermined number of normal... Agent: Goodrich Lighting Systems Gmbh
20130300297 - System and method for driving led: A system and method for driving one or more LEDs by regulating their brightness by controlling the LEDs' average current or voltage. The system includes a switching power converter and an integrated digital regulator with at least one of electrical, thermal, and optical feedbacks. The regulator is constructed as a... Agent:
20130300298 - Ultrasonic motion sensor device: An ultrasonic motion sensor device for lighting control, having a housing (10), preferably designed for ceiling-mounting, at least one ultrasonic transducer (11, 14) arranged in the housing (10) for sending and/or receiving ultrasonic waves through a housing opening associated with the ultrasonic transducer (11, 14), and having a control device... Agent:
20130300299 - Apparatus, method, and system for roadway lighting using solid-state light sources: Disclosed herein are apparatus, methods, and systems for illuminating roadways, paths, tunnels, bridges, and areas adjacent to such in a manner which minimizes glare and/or other adverse lighting effects commonly experienced by night-time drivers. According to aspects of the invention, horizontal and vertical aiming of a plurality of solid-state light... Agent:
20130300300 - Self-contained, solar-powered led illuminator modules and applications thereof: A light source causes hollow objects to glow in the dark (GID), thereby extending the operating period of light-activated materials in gazing globes and other decorative or ornamental objects. The light source may be provided as part of a conversion kit, enabling objects from different manufacturers to be converted to... Agent:
20130300301 - High stability dimmer: The present invention is aimed at providing a dimmer capable of preventing malfunctions due to noise contamination or waveform distortion of the voltage of an AC power source. The dimmer according to the present invention has a time division control circuit for controlling an effective voltage supplied to a lighting... Agent:
20130300302 - Controller circuit for half wave led light strings: A series connected light string using LEDs connected to an AC power source is disclosed. In order to make some or all of the lights color change, twinkle, and/or flash, controllers are provided in series with all or some of the LEDs. Because the supply source AC, but the active... Agent:
20130300303 - Constant voltage dimmable led driver: A constant voltage dimmable LED (Light Emitting Diode) driver is disclosed that is compatible with all types of dimmers, including conventional phase cut (TRIAC) dimmers, and behaves like a conventional constant voltage driver which can be connected to any size of LED load that has a matching voltage rating. The... Agent:
20130300304 - Intelligent user interface including a touch sensor 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:
20130300306 - Circuit for the operation of at least one led: A circuit for operating at least one LED (“driver circuit”) includes input terminals to be connected to an input or operating voltage in the form of a direct current (DC) voltage or a rectified alternating current (AC) voltage, and output terminals to be connected to a load circuit containing the... Agent:
20130300305 - Lighting control system and method: A lighting system provides for independent control of both the brightness of an LED light fixture and the perceived color of the light emitted by the LED light fixture. The LED light fixture has two LED light sources, a control circuit alternately pulses the two LED light sources and changes... Agent:
20130300307 - Circuits and methods for driving light sources: A controller for controlling a power converter includes a signal generator and a driver. The power converter receives an input voltage and provides an output voltage to power a load. The signal generator receives a sense signal indicating a current flowing through the power converter, receives a detection signal indicating... Agent:
20130300308 - Current limiting led driver: An LED driver with current limiter.... Agent:
20130300309 - Led lighting system with accurate current control: A light emitting diode (LED) lighting system and method are disclosed, The LED lighting system and method include an LED controller to accurately control a current in an LED system. The LED controller includes components to calculate, based on the current and an active time period of an LED current... Agent:
20130300310 - Light emitting diode driver with isolated control circuits: A light emitting diode (LED) driver circuit that generates current for driving an LED load includes a voltage converter circuit configured to supply a drive current to the LED load in response to a control signal, a control circuit that generates the control signal, and a bias voltage generating circuit... Agent:
20130300311 - Light emitting diode lighting device with duty cycle capable of being tuned: An LED lighting device is provided. The LED lighting device includes a processing unit, a sensor, a MOSFET, and an LED. When the sensor detects a frequency or voltage fluctuation, the processing unit modulates the duty cycle of the MOSFET to reduce the energy consumption of the LED light device... Agent: Foxsemicon Integrated Technology, Inc.
20130300312 - Configurable led driver/dimmer for solid state lighting applications: The disclosure is directed at a configurable light emitting diode (LED) driver/dimmer for controlling a set of light fixture loads comprising: a power circuit; a primary digital controller for controlling the power circuit; a set of output current drivers, each of the set of output current drivers connected to one... Agent:
20130300313 - Display device and electronic device: A display device has an NTSC ratio of higher than or equal to 80% and a contrast ratio of higher than or equal to 500 and includes a display portion. In the display portion, pixels are provided at a resolution of greater than or equal to 80 ppi, and the... Agent: Semiconductor Energy Laboratory Co., Ltd.
20130300314 - Setting up hybrid coded-light - zigbee lighting system: A lighting system (100) comprising a central lighting device (111), at least one satellite lighting device (121, 131), and a controller (141) for adjusting light settings, is provided. The controller is arranged for transmitting, in response to a user request (140), an association request over a first communication link (142).... Agent: Koninklijke Philips N.v.
20130300315 - Switch controller, power supply device comprising the same, and driving method of the power supply device: The power supply device includes a power switch including one terminal to which an input voltage is transferred; an inductor including one terminal connected to another terminal of the power switch; a diode connected between a ground and a floating ground; a sensing resistor connected between the floating ground and... Agent: Fairchild Korea Semiconductor Ltd.
20130300316 - Gestural control dimmer switch: A gestural control dimmer switch for controlling the illumination level of a light using hand movements comprises a dimmer panel in operative communication with a light, the dimmer panel having a plurality of hand position sensors corresponding to a spectrum of illumination levels of the light, wherein when a hand... Agent:
20130300317 - Light bulb: A light bulb includes a bulb base, a light holder, a plurality of light emitting elements, and a bulb shell. The bulb base has a connection part and an engaging part disposed opposite to each other. The light holder includes a surrounding wall connected to the bulb base at the... Agent: Diode-on Optoelectronics Limited
20130300318 - Communication module and lighting apparatus having the same: Disclosed are a communication module and a lighting apparatus having the same. The communication module includes a housing provided therein with a space, and a module substrate provided in the space of the housing and provided therein with a wireless communication chip, a reset device to reset the wireless communication... Agent: Lg Innotek Co., Ltd.Previous industry: Electric lamp and discharge devices: consumable electrodes
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