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| Number | Title | Issue Date |
| 8058807 | Flourescent lamp whose ballast has an output power that is regulated for flourescent tubes of different power specifications A fluorescent lamp includes a ballast, a holder, a power regulating switch, and a fluorescent tube. The power regulating switch includes a housing, a base, plurality of inductors, a plurality of first contacts, a plurality of second contacts, a plurality of conducti... | 11/15/2011 |
| 7368881 | Discharge lamp lighting apparatus and lamp system using the lighting apparatus In a discharge lamp lighting apparatus, a power supplied to a discharge lamp La through a DC-DC converter 1 and an inverter 2 is controlled depending on detection results of a lamp voltage detection unit 6 and a lamp current detection unit 7 | 05/06/2008 |
| 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 |
| 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 |
| 7358689 | Phase-control power controller for converting a line voltage to a RMS load voltage A phase-control power controller converts a line voltage to an RMS load voltage and includes a phase-control clipping circuit that clips a load voltage to provide the RMS load voltage. The power controller may be in a base of a lamp and connected to a lamp terminal.... | 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 |
| 7320632 | Method of producing a lamp A method of producing a lamp is disclosed. The method provides for mounting light emitting junctions on a support structure such that the junctions adopt a three-dimensional array. ... | 01/22/2008 |
| 7301291 | Power controller having current limited RMS regulated output A power controller converts a line voltage to an RMS load voltage for a lamp, and includes a switch and a microcontroller that operates the switch to define the RMS load voltage. The microcontroller senses a load voltage of the lamp, compares the sensed load voltage... | 11/27/2007 |
| 7275844 | Generator powered bicycle headlamp and electrical circuit A bicycle headlamp including: a rotor having a plurality of magnet plates attached to spokes of a bicycle wheel, each magnet plate including a plurality of magnets disposed at regular circumferential spacings with alternating south and north poles; and a stator incl... | 10/02/2007 |
| 7241021 | Emergency information lighting system An emergency information lighting system (100/200/300), comprising a primary light source (110/210/310) and a housing (112/212/312) for the primary light source (110/210). The housing (112/212/312) includes a first wall (120/220... | 07/10/2007 |
| 7231060 | Systems and methods of generating control signals Separating a source in a stereo signal having a left channel and a right channel includes transforming the signal into a short-time transform domain; computing a short-time similarity measure between the left channel and the right channel; classifying portions of th... | 06/12/2007 |
| 7222990 | Headlight apparatus equipped with an insertible complementary module, for a motor vehicle A headlight apparatus has a lighting element with a connector base disposed in an aperture formed in the lighting element. The connector base has a set of terminals arranged to make contact with a set of electrical contact zones of a complementary module. Each elect... | 05/29/2007 |
| 7224125 | Dimmable fluorescent lamp package A lamp package includes a base for insertion into an electrical socket, a complete dimmable ballast circuit contained within and electrically connected to the base, and a fluorescent lamp, including a CFLP, connected to and dimmed through the ballast circuit. The ba... | 05/29/2007 |
| 7224001 | Semiconductor light source A semiconductor light source for illuminating a physical space has been invented. In various embodiments of the invention, a semiconductor such as and LED chip, laser chip, LED chip array, laser array, an array of chips, or a VCSEL chip is mounted on a heat sink. Th... | 05/29/2007 |
| 7221106 | Cordset based appliance controller An apparatus and method for distributed control of an electrical appliance having a plug and a load and two power carrying conductors connecting the plug to the load, comprising locating power control elements completely within the plug, connecting interface element... | 05/22/2007 |
| 7218055 | Discharge lamp lighting apparatus The discharge lamp lighting apparatus includes a power section operating to generate a high voltage to be applied to a discharge lamp to trigger electrical discharge within the discharge lamp and to generate an AC voltage to be supplied to the discharge lamp to keep... | 05/15/2007 |
| 7208879 | Lighting apparatus for discharge lamp An embodiment of a discharge lamp lighting apparatus of the present invention includes a socket inserted with a discharge bulb, a transformer having a coil including a secondary side winding connected at one end to the socket, connected at the other end to a first d... | 04/24/2007 |
| 7164225 | Small size spark plug having side spark prevention A spark plug including an insulator having an axial hole in an axial direction; and a center electrode disposed in a tip end side of the axial hole of the insulator so as to project a tip end of the center electrode from the tip end side of the insulator. The center... | 01/16/2007 |
| 7038399 | Methods and apparatus for providing power to lighting devices Methods and apparatus for providing power to devices via an A.C. power source, and for facilitating the use of LED-based light sources on A.C. power circuits that provide signals other than standard line voltages. In one example, LED-based light sources may be coupl... | 05/02/2006 |
| 7038398 | Kinetic illumination system and methods The present invention relates to methods of creating eye-catching displays by taking advantage of color-changing illumination provided by LED systems disclosed herein. Displays can be made to appear to change color or to move simply by changing the color of the ligh... | 05/02/2006 |
| 7021797 | Optical device for repositioning and redistributing an LED's light An optical device is for spatially displacing the output of a light-emitting diode (LED) and coupling the output to a predominantly spherical emission pattern produced at a useftul height above the LED. The device is made of a transparent dielectric material, such a... | 04/04/2006 |
| 7001047 | LED light source module for flashlights A module, or collection of discreet components, for an LED flashlight is coupled to a conventional flashlight body which includes a conventional power source. The module comprise a housing adapted to be coupled to the flashlight body; an LED light source coupled to ... | 02/21/2006 |
| 6998954 | Fused electrical disconnect device A fused electrical disconnect device comprises a housing and line and load connectors extending from one side of the housing. A line buss is disposed within the housing and is electrically connected to the line connector. A load buss is also disposed within the hous... | 02/14/2006 |
| 6948829 | Light emitting diode (LED) light bulbs A light emitting diode (LED) light bulb that includes plural individual elements as sub-assembly elements of the overall light bulb. Different sub-assembly elements of a lens, a LED printed circuit board, a housing also functioning as a heat sink, a lower housing, a... | 09/27/2005 |
| 6948830 | Dual beacon obstruction lighting system A white light generating portion is comprised of a gas discharge light source and a rotated cylindrical lens. A red light generating portion is comprised of a plurality of light emitting diodes. ... | 09/27/2005 |
| 6908768 | Process for testing catalysts using thermography Apparatus for testing catalyst candidates including a multi-cell holder e.g. a honeycomb or plate, or a collection of individual support particles that have been treated with solutions/suspensions of catalyst ingredients to produce cells, spots or pellets holding ea... | 06/21/2005 |
| 6841952 | Electronic stabilizer An electronic stabilizer includes a high frequency output transformer which is connected in a primary side with a frequency modulation/power amplifying circuit, and in a secondary side with a plurality of high frequency ballasts and capacitors. The ballasts and the ... | 01/11/2005 |
| 6661177 | High-pressure discharge lamp with ignition circuit including halogen incandescent lamp The invention relates to a high-pressure discharge lamp comprising a discharge vessel which is enclosed, with clearance, by an outer bulb. The outer bulb is closed at one end by a lamp cap. The lamp is provided with an ignition circuit including at least ... | 12/09/2003 |
| 6635995 | Fluorescent bulb with impact-absorbing sleeve An improved fluorescent bulb for use in a work lamp for rough service applications. The fluorescent bulb is of the type having a fluorescent tube which emits light when energized by electric power. A base portion connects to the fluorescent tube and enclo... | 10/21/2003 |
| 6628082 | Glow starter for a high pressure discharge lamp A glow starter comprises a discharge vessel, filled with a filling including a rare gas, substantially transmitting ultraviolet rays of about 300 nm or less. A pair of electrodes, which are arranged in the discharge vessel, is adapted and arranged to touc... | 09/30/2003 |
| 6566815 | Reflector high-pressure discharge lamp unit The reflector high-pressure discharge lamp unit has a reflector (2), a high-pressure discharge lamp (3) arranged on the axis of the reflector (2), a first base part (4) connected to the neck (16) of the reflector (2), and a second base part (5), arranged ... | 05/20/2003 |
| 6545416 | Portable HMI fixture with integral ballast A portable HMI light fixture with integral ballast for use in the motion picture and television industries. The inventive HMI fixture includes: a housing having a front portion and a rear portion; a socket secured in the front portion for removably receiv... | 04/08/2003 |
| 6501216 | Focusing electrode for field emission displays and method A display includes a substrate and an emitter formed on the substrate. A first dielectric layer is formed on the substrate to have a thickness slightly less than a height of the emitter above the planar surface and includes an opening formed about the emi... | 12/31/2002 |
| 6472831 | I.L. timer A system for an individual bulb timing assembly for providing direct bulb timed on-off sequencing. A timing assembly that is installed directly into an electrical fixture bulb socket, that provides electrical power to an individual timing assembly, allowi... | 10/29/2002 |
| 6445144 | Current surge limiting circuit The present invention relates to a surge current limiting circuit of a filament lamp, meant to be connected in series between the filament and a switch that supplies an a.c. voltage, including at least one controllable active element, for limiting the cur... | 09/03/2002 |
| 6320317 | Glass seal resistor composition and resistor spark plugs A resistor seal composition useful in resistor spark plugs, comprises glass, at least one metal oxide, at least one filler material, and a branched or straight chained zirconium carboxylate. The glass comprises a strontium borate glass and/or a borosilica... | 11/20/2001 |
| 6316878 | Electric-light bulb The electric-light bulb is capable of limiting an inrush current and automatically periodically changing brightness. In the electric-light bulb, a filament is provided in a bulb body. A resistance is provided in the bulb body and connected to the filament... | 11/13/2001 |
| 6300716 | High-intensity discharge lamp, high-intensity discharge lamp device, high-intensity discharge lamp lighting circuit and lighting system An enhanced high-intensity discharge lamp and enhanced lighting device using the lamp, wherein feed-conductor is coupled being without off-centered and/or a discharge lamp light-transmissive ceramic enclosure and the feed-conductor is sealed at a high-rel... | 10/09/2001 |
| 6246182 | Electronic track lighting system An electronic track lighting system comprises a power supply filter circuit having an input connected to an alternating current power supply AC, a rectifier circuit connected to an output of the power supply filter circuit, an inverter circuit connected t... | 06/12/2001 |
| 6208090 | Reduced voltage and time delay to eliminate filament hot shock A method to eliminate filament hot shock in lamp filaments, particularly in compact filament light sources such as high efficiency infrared reflective coated halogen lamps, during installation or during energization comprising a voltage reduction circuit ... | 03/27/2001 |
