Electric lamp and discharge devices: systems inventions 04/07

20070090766 - Automatic pwm controlled driver circuit and method: A load driver circuit includes an output transistor configured to drive a load. The circuit further includes a power supply, and a power supply evaluation circuit configured to sense a characteristic of the power supply, and generate a control signal in response thereto. In addition, a controller circuit is provided... Agent: Eschweiler & Associates, LLC National City Bank Building

20070090767 - Lighting system with multi-ballast ac-to-dc converter: A lighting system having one three-phase AC-to-DC converter, each connected to a plurality of DC-powered electronic ballasts for operating lamps. The three-phase AC-to-DC converter uses six rectifier diodes connected in a full-wave bridge configuration, does not contain a line frequency energy storage capacitor and is typically designed to operate more... Agent: Young & Basile, P.C.

20070090769 - Hid dimming method and apparatus: A HID dimming method and apparatus are provided. The method includes generating a dc waveform during a reduced power dimming mode of operation of the HID lamp, the reduced power dimming mode being less than the full power rating of the lamp, and driving the lamp with the dc waveform... Agent: Fay Sharpe LLP

20070090768 - Lighting device for a discharge lamp: Further, with the lighting device for a discharge lamp according to the embodiment of the present invention, the drive frequency of the fluorescent lamp 13 is selected from a frequency band ranging from 24 kHz to 34 kHz, in which an audible noise is not generated, in a high ratio... Agent: Banner & Witcoff, Ltd.

20070090771 - Electronic stabilizer used for hand-held lamp: An electronic stabilizer used for hand-held lamp is disclosed. The electronic stabilizer of the present invention comprises four circuits: a current overflow protection and current source noise absorption circuit, a voltage-enhancing rectification filtering circuit, a high-frequency oscillation circuit and a harmonic oscillation output circuit. The current overflow protection and current... Agent: Hdsl

20070090770 - Step sinusoidal voltage controlling method for hid, flourescent and incandescent light dimming applications: A step voltage controlling device and method for High Intensity Discharge (HID) light dimming applications includes an autotransformer, voltage sensing block, current sensing block, pulse forming block, microprocessor control unit (MCU) block and plural three switch blocks which allows an instantaneous variation of the voltage applied to the load which... Agent: Connolly Bove Lodge & Hutz LLP

20070090772 - Balance controlling circuit: An exemplary balance controlling circuit (100) includes a transformer (T11), a first capacitor (C11), a second capacitor (C22), a first inductor (TC11), and a second inductor (TC12). The transformer includes two inputs (41, 42) connected to an external circuit, a grounded first output (43) and a second output (44). The... Agent: Wei Te Chung Foxconn International, Inc.

20070090775 - Dimming ballast control circuit: A dimming ballast control circuit for driving a ballast power switching circuit powering a gas discharge lamp. The circuit includes a driver circuit for driving high and low side switches of the ballast power switching circuit; a control circuit for driving the driver circuit including an oscillator circuit for providing... Agent: Ostrolenk Faber Gerb & Soffen

20070090774 - Discharge lamp driving device and driving method: A discharge lamp driving device for driving a lamp module (23) including a plurality of lamps includes a switch circuit (21), a transformer and filter circuit (22), and a microcontroller (20). The switch circuit converts a received signal to an alternating current signal. The transformer and filter circuit is connected... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070090773 - Discharge lamp lighting circuit with an open protection circuit: A discharge lamp lighting circuit includes a plurality of discharge lamps, a driving circuit, a control circuit, an open protection circuit, which are connected in series. The open protection circuit includes an open control circuit, a delay circuit, and a plurality of open detecting circuits connected in series. Each of... Agent: North America Intellectual Property Corporation

20070090776 - Single-channel comprehensive protection circuit: The present invention discloses a single-channel comprehensive protection circuit of a self-excitation half-bridge series resonant circuit having a single lamp output, including a DC block capacitor C3, a first partial pressure resistor R1, a second partial pressure resistor R2, a rectifying diode D1, a filter and integral capacitor C4, a... Agent: Jacobson Holman PLLC

20070090777 - Lamp driving apparatus, backlight assembly and liquid crystal display device using the same: In a lamp driving apparatus, backlight assembly and liquid crystal display device using the same, the lamp driving module is mounted on the substrate and provides lamps with power voltage. Sensors are disposed on the substrate to face the lamps, and detect operation state of the lamps to output sensing... Agent: Cantor Colburn, LLP

20070090778 - Signal processing: A signal processing circuit (1) comprises a first signal generator (10) which generates a DC-level (DL). A second signal generator (11) generates an AC-signal (AS) which is not related to the DC-level (DL). A combining circuit (12) combines the DC-level (DL) and the AC-signal (AS) into a combined signal (CS).... Agent: Philips Intellectual Property & Standards

20070085483 - Plasma confinement apparatus, and method for confining a plasma: A plasma confinement apparatus, and method for confining a plasma are described and which includes, in one form of the invention, a plurality of electrically insulated components which are disposed in predetermined spaced relation, one relative to the others, and surrounding a processing region of a plasma processing apparatus, and... Agent: Wells St. John P.s.

20070085484 - Display apparatus including self-luminescent device and non-self-luminescent device: Disclosed is a display apparatus with a self-luminescent device and a non-self-luminescent device, includes a first substrate; a second substrate; and a pixel matrix with a plurality of pixels. Each pixel comprises: a first switching device; a non-self-luminescent device, controlled by the first switching device; a second switching device; a... Agent: Birch Stewart Kolasch & Birch

20070085485 - Systems and methods for lighting control in flight deck devices: Systems and methods for illuminating flight deck devices are disclosed. In one embodiment, a flight deck panel illumination system includes at least one illuminated panel having at least one illumination source, and a power supply coupled to the at least one illumination source and to an electrical energy source that... Agent: Lee & Hayes, PLLC

20070085486 - Discharge lamp lighting apparatus: A resonant transformer is disposed at a stage following an inverter for inverting the polarity of a voltage applied to a discharge lamp. A parallel resonant circuit is formed by a resonant capacitor and a primary winding of the resonant transformer, and a periodic voltage applying section is connected to... Agent: Rader Fishman & Grauer PLLC

20070085487 - Inductively coupled ballast circuit: A ballast circuit is disclosed for inductively providing power to a load. The ballast circuit includes an oscillator, a driver, a switching circuit, a resonant tank circuit and a current sensing circuit. The current sensing circuit provides a current feedback signal to the oscillator that is representative of the current... Agent: Warner, Norcross & Judd In Re: Alticor Inc.

20070085488 - Dimmable ballast control integrated circuit: An IC for controlling a power supply circuit for delivering power to a fluorescent lamp in accordance with an embodiment of the present invention includes a ballast control section operable to provide drive signals to the power supply circuit and an amplifier section integrated into the IC and operable to... Agent: Ostrolenk Faber Gerb & Soffen

20070085489 - Switched constant current driving and control circuit: The driving and control device according to the present invention provides a desired switched current to a load including a string of one or more electronic devices, and comprises one or more voltage conversion means, one or more dimming control means, one or more feedback means and one or more... Agent: Dorsey & Whitney, LLP Intellectual Property Department

20070085490 - Middle output electrodeless lighting system: A middle output electrodeless lighting system comprising: a resonator having a certain inner space and adapted to form a resonance mode by shielding a discharge of microwaves applied therein to the exterior and to allow a discharge of light generated to the exterior; an electrodeless bulb including a light emitting... Agent: Greenblum & Bernstein, P.L.C

20070085491 - Discharge lamp lighting apparatus: A discharge lamp lighting apparatus includes: an inverter circuit including a switch circuit and a high-voltage transformer; a step-up circuit connected at the input stage of the inverter circuit; a control circuit to output a switch circuit controlling signal and a step-up circuit controlling signal; an on-off switching circuit connected... Agent: Oliff & Berridge, PLC

20070085493 - Lamp current balancing topologies: A method according to on embodiment may include generating AC voltage and current and a striking voltage. The method of this embodiment may also include generating striking voltage and steady-state voltage for at least two lamp loads. The method of this embodiment may also include coupling at least two lamp... Agent: Edmund P. Pfleger Grossman, Tucker, Perreault & Pfleger, PLLC

20070085492 - Matrix inverter for driving multiple discharge lamps: Methods and apparatus are disclosed for converting DC power to AC and for driving multiple discharge lamps and, more particularly, Cold Cathode Fluorescent Lamps (CCFLs), External Electrode Fluorescent Lamps (EEFLs), and Flat Fluorescent Lamps (FFLs). Disclosed methods, among other advantages, allow accurate current sharing among the lamps, minimization of the... Agent: Perkins Coie LLP Patent-sea

20070085494 - Lighting controller for lighting device for vehicle: In a process in which a current is supplied from a switching regulator to multi-chip LEDs, the forward voltages of the LEDs are respectively detected in forward detecting circuits. The detected values are sent to a microcomputer. In the microcomputer, detected values when the multi-chip LEDs are initially turned on... Agent: Osha Liang L.L.P.

20070080645 - Integrated led warning and vehicle lamp: An integrated LED warning and vehicle lamp has a base configured to replace an existing vehicle lamp by reception into the lamp's reflector shell. The integrated warning and vehicle lamp includes first and second arrays of LEDs arranged on a support projecting from the base. One array is used to... Agent: Alix Yale & Ristas LLP

20070080646 - Flat display unit: An SED is formed by sealing a front-side substrate provided with an image display area having a fluorescent layer on its inside surface, and a back-side substrate provided with a plurality of electron-emitting elements and driving wires for driving the electron-emitting elements, through a rectangular frame-like sidewall. On the outside... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070080647 - Divergence-controlled hybrid multiple electron beam-emitting device: An electronic emission device including plural electron beams including a first structure having a plurality of emission sources of electron beam, hybridized with a second structure including a plurality of diaphragm openings.... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070080648 - Driving method of cold cathode fluorescent flat lamp: A driving method of a cold cathode fluorescent flat lamp (CCFFL) for improving the light emitting uniformity of the cold cathode fluorescent flat lamp (CCFFL) is provided. First, a plurality of first light emitting areas and a plurality of second light emitting areas are generated alternately by the cold cathode... Agent: Jianq Chyun Intellectual Property Office

20070080649 - High voltage discharge lamp lighting apparatus: A high voltage discharge lamp lighting apparatus, wherein a high voltage required to light a high voltage discharge lamp can be obtained with the size of the whole apparatus reduced. A rectifier circuit (6), which is disposed on the secondary side of a transformer having a primary winding (3), a... Agent: Snider & Associates

20070080650 - Starter circuit having regulated starter voltage: A circuit for the generation of ignition pulses for a lamp has: an ignition pulse transformer, a device for the generation of ignition pulses (ignition pulse generator) at a primary winding of the ignition pulse transformer, which are transformed in the secondary winding of the ignition pulse transformer, a voltage... Agent: Fitzpatrick Cella Harper & Scinto

20070080651 - Ballast for igniting and powering a lamp: A ballast according to the present invention operates in an ignition state, a warm-up state, and a steady state for igniting and powering a lamp. The ballast comprises an igniter that ignites the lamp during the ignition state and a switching power inverter, for example, a full bridge DC-AC inverter... Agent: Venable LLP

20070080652 - Resonant power led control circuit with brightness and color control: The invention relates to a resonant power LED control circuit for the independent, simultaneous brightness and color or color temperature control of two LEDs (41, 42) or two groups of LEDs, comprising a single resonant converter which is essentially formed from a half or full bridge DC/AC converter (2) with... Agent: Philips Intellectual Property & Standards

20070075646 - Series wired light string with unidirectional shunts: A series-connected string of light bulbs, operating on AC voltage, each having connected thereacross a voltage regulating shunting circuit which regulates the voltage across an empty or otherwise inoperative socket so as to maintain unidirectional current across each of the remaining sockets in the string during one-half of an AC... Agent: Dickstein Shapiro LLP

20070075647 - Method and apparatus for storing lamp data: A lamp memory module is provided for recording lamp serial numbers, providing a ‘lamp-inserted’ interlock for preventing operation of the lamp when the lamp is not properly installed, and for collecting and storing lamp operational data such as lamp use (time), lamp strikes and various system temperatures.... Agent: Staas & Halsey LLP

20070075648 - Reflecting light: Embodiments of reflecting light off surfaces are disclosed.... Agent: Hewlett Packard Company

20070075649 - Electricity controller, device for lighting discharge tube, display device and electric power control method: An electricity controller is provided which comprises a first power control means for controlling output power from power generator 4 to a first level during a first period of start-up time for feeding, a second power control means for controlling output power from power generator 4 to a second level... Agent: Bachman & Lapointe, P.C.

20070075650 - Fluorescent lamp lighting apparatus and lighting control system: A fluorescent lamp lighting apparatus according to the present invention comprises an initial illuminance correction control circuit which sets a fluorescent lamp to an initial illuminance correction control lighting mode, a switching portion which changes the fluorescent lamp from the initial illuminance correction control lighting mode to an external control... Agent: Dla Piper US LLP

20070075652 - External resonator/cavity electrode-less plasma lamp and method of exciting with radio-frequency energy: Described is a plasma electrode-less lamp. The device comprises an electromagnetic resonator and an electromagnetic radiation source conductively connected with the electromagnetic resonator. The device further comprises a pair of field probes, the field probes conductively connected with the electromagnetic resonator. A gas-fill vessel is formed from a closed, transparent... Agent: Cary Tope-mckay

20070075651 - Plasma lighting system having thin metallic film resonator: Provided is an electrodeless sulfur lamp including a power supply supplying electrical power, a transparent bulb which has a space inside it, with sulfur being contained in the space, and a coil connected to the power supply, which is wound around an outside surface of the transparent bulb and which... Agent: Greenblum & Bernstein, P.L.C

20070075653 - Backlight light source drive device: This backlight light source drive device includes a plurality of backlight light source drive circuits which drive a plurality of respective backlight light sources, and a control circuit which turns those drive circuits ON and OFF. Each of the drive circuits includes a protection signal output circuit which, when its... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070075654 - Method and apparatus for preventing instabilities in radio-frequency plasma processing: A method and apparatus for controlling a power supply to prevent instabilities due to dynamic loads in RF plasma processing systems, operating at frequencies of from 1 MHz and up 1 MHz and above. The apparatus includes a power source, a power converter receiving power from the source, the power... Agent: Proskauer Rose LLP