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| Number | Title | Issue Date |
| 7586250 | Lamp having an arc tube protected from breakage A lamp including an arc tube and a holder is provided. The arc tube includes a pair of electrodes respectively at both tube ends, and forms, between the pair of electrodes, a discharge path which turns in a double spiral substantially on one plane. The holder holds ... | 09/08/2009 |
| 7432657 | Ceramic lamp having shielded niobium end cap and systems and methods therewith A lamp comprising an arc envelope and a niobium end structure coupled to the arc envelope, and wherein the end structure is shielded from a dosing material disposed within the arc envelope. ... | 10/07/2008 |
| 7396270 | Method for producing a frosted envelope for a high-pressure discharge lamp A high-pressure discharge lamp, in particular a mercury-free high-pressure discharge lamp for a vehicle headlight, has a lamp base (1) and an axially symmetrical discharge vessel (30), in whose discharge space (300) an ionizable filling, contain... | 07/08/2008 |
| 7394189 | Compact self-ballasted fluorescent lamp having a circuit board with connection members An objective is to provide a compact self-ballasted fluorescent lamp which can reduce occurrence of a short circuit without protecting lead wires extending from each end portion of a spiral arc tube. To achieve the objective, a pair of connection pins is provided on... | 07/01/2008 |
| 7362052 | External electrode fluorescent lamp An external electrode fluorescent lamp and its fabrication method are disclosed. The method for fabricating the external electrode fluorescent lamp includes providing a cylindrical glass tube having a phosphor layer coated at its inner circumferential surface, a dis... | 04/22/2008 |
| 7358673 | Electric lamp which is closed on two sides The bulb of the lamp is closed at opposite ends by sealing parts (6), with in each case one cap (8) being fitted at one end, the cap having an electrical contact element (13) which is connected in an electrically conductive manner to a supply co... | 04/15/2008 |
| 7321190 | Low-pressure mercury lamp having a spiral arc tube and method for assembling the same An arc tube is formed by a glass tube that is turned at a substantially middle thereof and wound around a spiral axis from the middle, to have a double-spiral structure. End portions of the arc tub are wound around the spiral axis. A holder has insertion openings fo... | 01/22/2008 |
| 7284878 | Lumen regulating apparatus and process The present invention is a fluorescent light lumen regulating apparatus. More specifically, in one aspect, the present invention is a fluorescent lighting assembly for mounting at least one fluorescent lamp. In this aspect, the lighting assembly comprises a lamp hou... | 10/23/2007 |
| 7256539 | Eccentric planar fluorescent tube An eccentric planar fluorescent tube includes an outer planar fluorescent tubular member that extends substantially but not completely about a center point and which is extended by two inner portions that extend from a first peripheral portion of the outer tubular m... | 08/14/2007 |
| 7253556 | Light string socket with mechanical shunt A lamp for a light string has a mechanical shunt to allow current to pass to the next light in the event of a missing bulb. A resilient shunt is held in a generally lateral orientation by a shunt holder within the socket. When the hollow base with its bottom opening... | 08/07/2007 |
| 7245069 | Fluorescent illumination device An illumination device (10) that preferably includes a cold cathode fluorescent bulb (30), wherein the illumination device (10) further includes a substantially cylindrical casing (34) positioned about the bulb (30), and a reflecto... | 07/17/2007 |
| 7221098 | Electric lamp with outer bulb and associated support body The lamp comprises a discharge vessel (2) which is closed off in a vacuum-tight manner and is arranged in an outer bulb (12), a getter material being held on a support body inside the outer bulb (12). The support body is a support strip (31 | 05/22/2007 |
| 7218051 | Discharge tube A discharge tube includes a cylinder having first and second end planes, first and second discharge electrodes coupled to the respective first and second end planes, the first and second discharge electrodes having respective upper and lower discharge planes forming... | 05/15/2007 |
| 7215081 | HID lamp having material free dosing tube seal A hermetically sealed lamp having at least one seal-material-free bond. The seal material-free bond may be a material diffusion bond, a mechanically deformed bond such as a cold weld or crimp, a focused heat bond such as a laser bond, or any other such bond. For exa... | 05/08/2007 |
| 7211939 | External electrode fluorescent lamp and method for manufacturing the same An external electrode fluorescent lamp and a method for manufacturing the same is disclosed, in which indentations are provided in a surface of a glass tube filled with a discharge gas by etching, and external electrodes are formed at both ends of the glass tube, th... | 05/01/2007 |
| 7202614 | Electronic ballast for a fluorescent task lamp An electronic ballast circuit for a handheld fluorescent task lamp, comprising a self-starting electronic driver circuit operated by a power supply and operable to start and run at least first and second compact fluorescent bulbs from a single output; first and seco... | 04/10/2007 |
| 7176626 | Method of controlling leachable mercury in lamps A method for inhibiting mercury from leaching from a land-filled arc discharge lamp containing a quantity of elemental mercury at least partially convertible to soluble mercury, provides for including within the lamp a quantity of a non-metallic copper-containing co... | 02/13/2007 |
| 7154226 | Capped electric lamp and low-pressure mercury-vapor discharge lamp A capped electric lamp has a light-transmitting lamp vessel accommodating an electrical element and a lamp cap provided with a projecting contact pin (4). An indentation (15) is formed in the contact pin (4) to fix the current-supply conductor (... | 12/26/2006 |
| 7116043 | Compact self-ballasted fluorescent lamp with improved rising characteristics A compact self-ballasted fluorescent lamp includes a double-spiral arc tube formed by winding a glass tube to its both ends around a spiral axis, and sealing electrodes each having a filament coil at the ends of the glass tube, and a holding member that has a closed... | 10/03/2006 |
| 7083476 | Base for a headlight lamp and headlight lamp A base for a headlight lamp, which has a plastic base part having at least two electrical connections, which have a first end with a contact face, the first ends protruding from the base part when mounted such that the contact faces are perpendicular to the longitud... | 08/01/2006 |
| 7057334 | Mount for metal halide arc discharge lamp A mount (10) for a metal halide arc discharge lamp has a flare (20) including a barrel portion and a frame (32) comprises a clip (40) attached to the barrel portion (30). First and second side rods (50, 60) spaced 180° apar... | 06/06/2006 |
| 7021976 | Spring connector A spring connector comprises a supporting member, a cylindrical plunger, and a coil spring provided in the cylindrical plunger. The supporting member has a base, a pillar extended from the base, and a shoulder and a head having a diameter larger than that of the pil... | 04/04/2006 |
| 6960000 | Dartboard illumination method and apparatus The present invention provides apparatus and methods for illuminating a dartboard comprising filtering of an illumination source from direct view by the player while protecting the illumination source from damage or breakage by darts or other objects. ... | 11/01/2005 |
| 6946782 | Connector system for a rod-shaped two-ended discharge lamp A connector system for a rod-shaped two-ended gas discharge lamp (12) with bases (20) disposed on the connector ends (16) of the discharge lamp (12) and with insert sockets (22) for receiving the bases (20) in a lamp housing... | 09/20/2005 |
| 6936967 | Fluorescent lamp and method of manufacturing same Fluorescent lamp (1) having a glass discharge vessel (2) in which a gas is present, which discharge vessel (2) is provided with a tubular end portion (3) having a longitudinal axis, which end portion (3) includes a glass stem (5... | 08/30/2005 |
| 6815879 | Circular fluorescent lamp including an insulator between conductive wires, and a lighting fixture using the lamp A circular fluorescent lamp comprises a light-transmitting circular tube, filled with a discharge gas including mercury and a rare gas, having an outer diameter between about 14 mm and 18 mm. A phosphor layer is coated on the inner surface of the light-transmitting ... | 11/09/2004 |
| 6793373 | Bulb-type lamp and manufacturing method for the bulb-type lamp To provide a bulb-type lamp in which a globe is fixed to a case without a tilt, and a manufacturing method for the bulb-type lamp. The globe is bonded to a connector using a thermosetting resin, in a state where a neck part of the globe is inserted in a groove of th... | 09/21/2004 |
| 6759797 | Compact fluorescent lamp This invention concerns a compact fluorescent lamp with a double helix shaped discharge tube in which the two strands of the helix are constituted by two helix shaped tube portions. These tube portions define a central axis of the discharge tube. The double helix fo... | 07/06/2004 |
| 6741018 | Low-pressure discharge lamp with connector The present invention relates to a low-pressure discharge lamp (1) including a discharge tube (20) and a base (5) providing for mechanical and electrical connection of the discharge lamp (1). The discharge tube (20) sealed in a gas... | 05/25/2004 |
| 6736526 | Bulb-type lamp and manufacturing method for the bulb-type lamp To provide a bulb-type lamp in which a globe is fixed to a case without a tilt, and a manufacturing method for the bulb-type lamp. The globe is bonded to a connector using a thermosetting resin, in a state where a neck part of the globe is inserted in a groove of th... | 05/18/2004 |
| 6717338 | Frame mount for high intensity discharge lamp A high intensity discharge lamp (10) has an outer envelope (12) having a cup-shaped top (14), a hollow center section (16) and a bottom (18) all aligned along a longitudinal axis (20), the bottom (18) including a flar... | 04/06/2004 |
| 6707239 | Arc tube including step-down plane portions in pinch seal area An arc tube that effectively prevents a metal halide from being deposited in a light emitting tube portion, causing the change of a light emitting color or the generation of lighting failures in an arc tube. An axial distance L1 from a neck portion ... | 03/16/2004 |
| 6653764 | Discharge bulb and method of manufacturing the same A base end 12a of an arc tube unit 12 is inserted in a glass tube 50 which is previously fixed to an insulating plug unit 14, and a shroud tube 18 and the glass tube 50 are then bonded and fixed to each other in such a state that an amount of insertion of... | 11/25/2003 |
| 6650033 | Foamable coupling for lamp assembly and methods for using the coupling A foamable copolymer based coupling is provided for securely affixing a light emitting glass lamp in a metal base to form a lamp assembly. The copolymer is preferably selected from ethylene vinyl acetate, ethylene methyl acrylate, and combinations thereof... | 11/18/2003 |
| 6630773 | Assembling structure for lamp string with fully enveloped bulbs A structure of fully enveloped miniature lamp bulb for lamp strings suitable for mass production and having any of varied appearances is disclosed. The lamp bulb has two electrode pins with a predetermined distance therebetween and being connected in the ... | 10/07/2003 |
| 6623133 | Ultraviolet lamp retainer A lamp retaining device for holding a lamp within a housing. The lamp retaining device includes a bracket adapted to mount to a housing. The bracket includes a channel formed therein which has a portion oriented such that an end of the lamp will rest unai... | 09/23/2003 |
| 6570332 | Electrode-to-ballast interconnect of flat integral type compact fluorescent lamp An electrode-to-ballast interconnect is provided in combination with a fluorescent lamp including a discharge tube bent substantially in a plane. The discharge tube is shaped at least in part to define a substantial portion of the boundary of a zone in th... | 05/27/2003 |
| 6483232 | Aviation landing lamp The lamp has a borosilicate lens bonded to a gas tight envelope containing a protective gas. The envelope contains a high gloss reflective coating on an inner surface and has a bulb mounted on a pair of support posts. The bulb contains a coiled tungsten f... | 11/19/2002 |
| 6465960 | Capped electric lamp and low-pressure mercury-vapor discharge lamp An electric lamp has a cap, which is secured to a light-transmitting lamp vessel having an electric element. The lamp cap has a projecting contact pin. An electric conductor is connected to the electric element and the contact pin. The contact pin is unil... | 10/15/2002 |
| 6400083 | Fluorescent lamp with bi-pin base insulator An electric lamp is provided with an end having an annular recess which contains an insulating member which is secured to the lamp by means of at least two conductors which each extend from the lamp through an aperture in the insulating member. The insula... | 06/04/2002 |
