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| Number | Title | Issue Date |
| 8183782 | High-pressure discharge lamp with improved ignitability and high-voltage pulse generator High pressure discharge lamp (20) with improved ignitability. A spiral pulse generator (1) that is directly mounted inside the outer piston (12) of the lamp is used for igniting the high pressure discharge lamp. ... | 05/22/2012 |
| 7872421 | Device for fluorescent tube armatures The present invention relates to a device for fluorescent tube armatures, the device being intended to replace a previously occurring fluorescent tube. The device has a light emitting diode unit (4) comprising at least one electrical drive unit (4.1), ... | 01/18/2011 |
| 7772780 | Lamp igniter module and transformer carrier Disclosed are a lamp igniter module and method of assembling a lamp igniter module. The lamp igniter module comprises a transformer carrier, a slide-in electrical connector, a pc board, and a housing. Assembly of the lamp igniter module is accomplished by initially ... | 08/10/2010 |
| 7626338 | Discharge lamp lighting apparatus A discharge lamp lighting apparatus includes a transformer unit, a casing for housing the transformer unit, and a circuit board including circuit components. In the casing, the circuit board is joined to the casing and the transformer unit is fixed to the circuit bo... | 12/01/2009 |
| 7619364 | UV continuous spectrum lamp and its lighting device To increase radiation intensity of deuterium lamp with continuous spectrum in UV region including vacuum UV in order to enable the lamp to illuminate wide area in high intensity. A pair of electrodes 7 and 8 is covered with dielectrics, placed outside ... | 11/17/2009 |
| 7511431 | Gas discharge lamp A gas discharge lamp (1) is described with a discharge vessel (2) and electrodes (4, 5) projecting into the discharge vessel (2). The gas discharge lamp (1) is provided with a translucent, electrically conductive screening (9, 2... | 03/31/2009 |
| 7492103 | Energy saving lamp with sensor Disclosed is a multi-functional energy-saving fluorescent lamp in which an illumination sensor for distinguishing day and night, a timer for time control, and an infrared sensor for sensing a human are integrally provided to one lamp as a light source. The sensors m... | 02/17/2009 |
| 7459856 | Compact fluorescent lamp with outer envelope and method for manufacturing A compact fluorescent lamp comprises a discharge tube arrangement with at least one discharge tube. The tube is formed of glass, encloses a discharge volume filled with a discharge gas and has a fluorescent phosphor coating disposed on the inner surface of the tube.... | 12/02/2008 |
| 7453213 | High-pressure discharge lamp and illumination apparatus having a high-pressure discharge lamp The invention relates to a high-pressure discharge lamp, in particular a vehicle headlight high-pressure discharge lamp, having a lamp base, in whose interior is arranged a starting apparatus for the purpose of starting the gas discharge in the high-pressure dischar... | 11/18/2008 |
| 7427839 | Inductively powered apparatus An inductive power supply system for providing power to one or more inductively powered devices. The system includes a mechanism for varying the physical distance or the respective orientation between the primary coil and secondary coil to control the amount of powe... | 09/23/2008 |
| 7414368 | Ceramic metal halide lamp with cerium-containing fill A metal halide lamp (10) includes a discharge vessel (12) which may be formed of a ceramic material. The vessel defines an interior space (16). An ionizable fill is disposed in the interior space. The ionizable fill includes an inert gas and a h... | 08/19/2008 |
| 7388324 | All-rounded illumination enveloped fluorescent lamp An all-rounded illumination enveloped fluorescent lamp. The light translucent materials used for lamp carrier disk fixing lamp tube, segregation board segregating wires, ballast circuit board and rear housing enables light emitted by the lamp tube to penetrate throu... | 06/17/2008 |
| 7372202 | Phase locked microdischarge array and AC, RF or pulse excited microdischarge The invention is directed to a method and apparatus for phase-locking microdischarge device arrays and an ac, rf, or pulse-excited microdischarge. The invention provides output from a non-laser optical source that is a phase-locked array of microdischarges formed of... | 05/13/2008 |
| 7368875 | Discharge lamp lighting device A through hole that is slightly larger than a size of a rear end of a transformer container is formed in a rear cover constituting a part of an external wall of a starting circuit unit. The transformer container houses therein a transformer and constitutes a transfo... | 05/06/2008 |
| 7362058 | Method and device for controlling the light intensity in a multi-lamp illumination device for a display panel For controlling the light intensity in a multi-lamp illumination device an automatic sequencing of the PWM dimming distributes the burst dimming pulses during the display's frame period. Specifically, the method includes the steps of generating a plurality of synchr... | 04/22/2008 |
| 7357514 | Methods and systems for improving operation of a video projector A video projector generates a black screen. Further, the video projector reduces the brightness of the light source which reduces the power level of the video projection system. Since the light source's power is reduced, less heat is generated by the video projector... | 04/15/2008 |
| 7358676 | Fluorescent light source A fluorescent light source includes at least one tube surrounding an interior region. The tube has a plurality of tubular portions, each one of which is disposed adjacent to at least one other tubular portion. The fluorescent light source has a support member, and e... | 04/15/2008 |
| 7357528 | CCFL illuminated device and method of use Cold cathode fluorescent lamps (CCFLs), associated devices and methods of use, and more specifically, exit signs, traffic signals, informational and other signage and lighting devices utilizing CCFL-type devices are provided with novel connectors, mounting brackets,... | 04/15/2008 |
| 7352339 | Diffuse illumination systems and methods The systems and methods disclosed herein relate to sources of diffuse illumination for providing substantially uniform illumination to a surface. The diffuse illumination arises from varying the diffusion angle of light generated by an LED system. To vary the diffus... | 04/01/2008 |
| 7352122 | Compact fluorescent lamp with extended cavity tube This present invention relates to a fluorescent lamp and, in particular, a compact fluorescent lamp or an enveloped fluorescent lamp with high surface load using new cold-end technology. The present invention includes at least one lamp tube with a cathode, stem cap ... | 04/01/2008 |
| 7331690 | Infrared headlight An infrared headlight useful in a night vision system may be made with an infrared emitter positioned in a reflector. The radiation source is associated with a filter body which has a first filter layer part and a second uncoated part. The two parts are designed so ... | 02/19/2008 |
| 7332866 | Arc tube and low-pressure mercury lamp that can be reduced in size An arc tube includes an arc tube body and a pair of electrodes. The arc tube body is formed from a glass tube which is double-spirally wound from a middle portion to both ends around a spiral axis. The pair of electrodes are sealed at both ends of the arc tube body.... | 02/19/2008 |
| 7330115 | Electronic device control system An electronic device control system includes a base unit that includes a housing. A power input and a power output are each mounted in the housing and are electrically coupled to each other. The power input comprises a male plug and the power output comprising a fem... | 02/12/2008 |
| 7327093 | External electrode fluorescent lamp, backlight unit using the external electrode fluorescent lamp, LCD backlight equipment using the backlight unit and driving device thereof An external electrode surface emission fluorescent lamp for LCD backlighting includes (a) a serpentine-shaped upper sheet having a section for maximizing brightness uniformity within a predetermined distance from its surface; (b) a plate-shaped lower sheet combined ... | 02/05/2008 |
| 7316483 | Method of representing a video image by means of a projector The invention relates to a method of representing a video image based on a video signal by means of a projector which comprises an image display device and a high-pressure gas discharge lamp, which lamp is supplied with a square-wave alternating current (I0, ... | 01/08/2008 |
| 7300185 | Quadrilateral symmetrical light source A reflector for focusing light emitted from a light source in a generally planar direction is disclosed. The reflector is matched with the light source that is preferably a light emitting diode (LED) mounted on a substrate. The reflector is mounted over the LED on t... | 11/27/2007 |
| 7298088 | Arc tube and low-pressure mercury lamp This invention aims at providing a low-pressure mercury lamp having an improved luminous efficiency while maintaining the compactness and long life of the arc tube. This lamp comprises an arc tube formed by bending a glass tube. This arc tube is formed into a double... | 11/20/2007 |
| 7291984 | Method of reducing RMS load voltage in a lamp using pulse width modulation A method of converting a line voltage to an RMS load voltage in a lamp includes modulating a load voltage with a pulse width modulation circuit that is entirely within the lamp and provides an RMS load voltage to a light emitting element of the lamp. Conduction is t... | 11/06/2007 |
| 7285247 | Apparatus and method for operating a fuel reformer so as to purge soot therefrom A method of operating a fuel reformer includes advancing a first air/fuel mixture having a first air-to-fuel ratio into the fuel reformer. The method further includes determining if a soot purge is to be performed and generating a purge-soot signal in response there... | 10/23/2007 |
| 7283118 | Back light unit and liquid crystal display apparatus A back light unit includes a lamp, a lamp house where the lamp is housed, a diffusion plate provided parallel to a main surface of the lamp house, a display part receiving light irradiated from the lamp and displaying, a frame member that has a structure in which th... | 10/16/2007 |
| 7281825 | Retractable dimmer sleeve for an elongated light source A retractable dimmer sleeve comprises sleeve material formed into an elongated enclosed passage having an open end and an interior volume for receiving an elongated light source. The dimmer sleeve enables, during operation of a light source while received within the... | 10/16/2007 |
| 7282864 | Discharge lamp and control of the same A discharge tube is driven by a multiple-phase drive circuit, and includes a discharge container having an internal discharge space and multiple electrodes that are secured to the discharge container and correspond to each phase of the multiple-phase drive circuit. ... | 10/16/2007 |
| 7279843 | Inductively powered apparatus An inductive power supply system for providing power to one or more inductively powered devices. The system includes a mechanism for varying the physical distance or the respective orientation between the primary coil and secondary coil to control the amount of powe... | 10/09/2007 |
| 7279849 | Apparatus for driving backlight of liquid crystal display This invention relates to a backlight driving apparatus of a liquid crystal display device, and more particularly to a backlight driving apparatus of a liquid crystal display device that includes: first and second transformers that boost an AC voltage to a boosted A... | 10/09/2007 |
| 7275845 | Illuminatable windshield assembly An illuminatable windshield assembly, preferably for use on a motorcycle, but adaptable for use on all types of vehicles. The illuminatable windshield assembly includes a windshield comprised of a translucent panel having an outer peripheral surface wherein the pane... | 10/02/2007 |
| 7274148 | Lamp having fixed forward phase switching power supply with time-based triggering A lamp contains a lamp voltage conversion circuit that is entirely within a base for converting a line voltage at a lamp terminal to an RMS load voltage at a light emitting element. The voltage conversion circuit includes a forward clipping circuit with a three-term... | 09/25/2007 |
| 7271546 | Lighting device for dielectric barrier discharge lamp This invention aims to decrease the leakage current of a dielectric barrier discharge lamp, and to prevent generation of the luminance slope between both electrodes. Electrodes 3 and 4 are formed in the outer surface of the dielectric barrier discharge... | 09/18/2007 |
| 7268494 | Compact fluorescent lamp and luminaire using the same A compact fluorescent lamp comprises a fluorescent tube having a helical portion on at least a part thereof and turned down in the middle, a pair of tube ends thereof each provided with a discharge electrode, the pair of tube ends juxtaposing with each other in the ... | 09/11/2007 |
| 7261437 | Wedge-based lamp with LED light engine and method of making the lamp An LED wedge-based lamp and method of making the lamp, where the lamp has a generally planar circuit board having one end that has electrical connections exposed thereon and a connecting part that is adapted to mechanically couple the lamp to a wedge-based lamp sock... | 08/28/2007 |
| 7262554 | Lamp with integral voltage converter having phase-controlled dimming circuit with hysteresis control for reducing RMS load voltage An incandescent lamp includes a lamp voltage conversion circuit within the lamp and connected to a lamp terminal, where the voltage conversion circuit converts a first line voltage at the lamp terminal to a second RMS load voltage usable by a light emitting element ... | 08/28/2007 |
