Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8040026 | Illumination lamp with inner light tube An illumination lamp is provided. The illumination lamp includes a hollow pillar tube being light-transmissive, at least one inner light tube accommodated in the hollow pillar tube, and an electrode set disposed at one distal end of the hollow pillar tube and electr... | 10/18/2011 |
| 7439660 | Discharge lamp having cooling means A discharge lamp, and particularly a high-pressure gas-discharge lamp (an HID (high-intensity discharge) lamp or UHP (ultra-high performance) lamp), having a reflector and a cooling means is described. The cooling means comprises at least one nozzle (3) by wh... | 10/21/2008 |
| 7423367 | Design of high power pulsed flash lamps Broadband output high power pulsed flash lamps are useful in many applications, and when specifically optimized, can become an excellent source of ultraviolet (UV) light, which is particularly useful for photo-chemically-induced materials processing applications. Mu... | 09/09/2008 |
| 7369407 | Flat display device and cooling apparatus for the same A flat display device includes a flat display module, a front cover supporting a front portion of the flat display module, a back cover supporting a rear portion of the flat display module, a peripheral portion formed on the back cover and having an inclined surface... | 05/06/2008 |
| 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 |
| 7323820 | Metal halide lamp The metal halide lamp has a ceramic discharge vessel and contains two groups of metal halides: a first group made up of the emitters and a second group made up of the wetters. The second group comprises at least one of the metal halides of Mg or Yb. ... | 01/29/2008 |
| 7321192 | Image display apparatus In an image display apparatus including: an electron source; a target having a phosphor and an anode electrode, the target emits light for display by being illuminated with electrons from the electron source; and an intermediate electrode disposed in the midpoint be... | 01/22/2008 |
| 7308819 | Gas measuring method inside a sealed container A gas measuring method performs a gas measurement inside a sealed container provided with a pair of plates and an exhaust pipe having a breakable vacuum isolating member on at least one of the plates. The method includes the steps of connecting the sealed container ... | 12/18/2007 |
| 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 |
| 7282840 | Modular ballasts of aquarium Modular ballasts of an aquarium comprise a lampshade and a plurality of ballast modules, wherein a reflection plate and a plurality of lamps are mounted inside the lampshade. At least a socket locates on the backside or the top of the lampshade for holding the balla... | 10/16/2007 |
| 7196950 | Non-volatile semiconductor storage device performing ROM read operation upon power-on A power-on reset circuit has a power-on level detecting circuit which detects a power voltage to output a power-on reset signal and a delay circuit which delays the power-on reset signal output by the power-on level detecting circuit. Two chip address specifying pad... | 03/27/2007 |
| 7164223 | Multi-tube fluorescent discharge lamp A multi-tube fluorescent discharge lamp, which is constructed of multiple glass tubes of different caliber in coaxial structure, the both sides of the inner most tube are connected to a cathode respectively, by isolating, perforating and blocking the discharge path,... | 01/16/2007 |
| 7157844 | Cathode ray tube provided with a faceplate having a convex outer surface and a lens assembly attached therein In a projection cathode ray tube device in which a projection cathode ray tube and a projection lens assembly are coupled and held by a coupler, superior focus characteristics and high resolution are realized by eliminating the deviation between the center of the ph... | 01/02/2007 |
| 7129625 | Protected lamp device A protected lamp assembly includes a tubular lamp enclosed within a tubular protective housing. The lamp is supported by grommets or bushings of a resilient material that are retained within the housing. An end cap assembly may include the bushing for the lamp and a... | 10/31/2006 |
| 7112923 | Lamp assembly with a retainer connecting a stem to a lamp capsule A stem and lamp capsule are connected together as an assembly using a retainer such that the stem is clamped to one end of the retainer and the capsule is clamped to the other end of the retainer. An oxidizable fuse is connected between leads of the capsule and elec... | 09/26/2006 |
| 7108573 | Sealed container, manufacturing method therefor, gas measuring method, and gas measuring apparatus In order to be capable of high-precision gas measurement and evaluating influences of a gas on an electron source, and to predict a life of an image display device with high precision for a short period of time, there is provided a sealed container which is capable ... | 09/19/2006 |
| 7095334 | Strip LED light assembly for motor vehicle A light emitting diode (LED) warning signal light, the warning signal light comprising a plurality of light sources constructed and arranged with a reflector or cullminator, the LED light source being in electrical communication with a controller and a power supply,... | 08/22/2006 |
| 7095163 | Method for the production of a visible, UV or IR radiation with a lamp without electrodes, and lamp that carries out this method A lamp capable of emitting electromagnetic radiation (9), for example visible, IR or UV radiation, exploiting the activation of substances (4) triggered with an antenna (6) irradiating microwaves (8) located inside and insulated, in focal... | 08/22/2006 |
| 7064674 | Replaceable LED modules A modular warning signal light system comprising at least one support. The at least one support having at least one module receiving port. The module receiving ports constructed and arranged to removably receive the support engagement member of a module. Each module... | 06/20/2006 |
| 7061182 | Metal halide lamp A metal halide lamp has an arc tube including an arc tube container made of an oxide-based translucent ceramic material. The arc tube is filled with cerium halide as a luminescent material and a halide of a rare earth element that is more reactive with the ceramic m... | 06/13/2006 |
| 7046160 | LED warning light and communication system A light emitting diode (LED) warning signal light and communication device comprising a controller for generating a first observable light signal and a second non-observable light signal within said first light signal. The second light signal is formed of packets of... | 05/16/2006 |
| 7038593 | Strip LED light assembly for motor vehicle A light emitting diode (LED) warning signal light, the warning signal light comprising a plurality of light sources constructed and arranged with a reflector or cullminator, the LED light source being in electrical communication with a controller and a power supply,... | 05/02/2006 |
| 7008082 | Reflector for a light of higher power with an outer safety jacket The reflector for a light of higher power has a base body made of glass or glass ceramic and a protective jacket provided on the outer surface of the base body. The base body is formed with a receptacle for a light source, especially a gas discharge lamp, and an int... | 03/07/2006 |
| 6972514 | Low-pressure mercury vapor discharge lamp with improved heat dissipation, and manufacturing method therefore A bulb-type fluorescent lamp has a case having an open end portion for housing a lighting circuit therein, an arc tube extending outside through the open end portion of the case, and a globe having an open end portion for housing the arc tube therein. An adhesive is... | 12/06/2005 |
| 6971939 | Non-oxidizing electrode arrangement for excimer lamps A non-oxidizing electrode arrangement for an excimer lamp that is formed by coating an electrode of the lamp with a layer of protective layer that prevents the electrode from oxidizing. The protective layer is preferably transparent and possesses a low permeability ... | 12/06/2005 |
| 6963158 | Mount assembly for discharge lamps A mount assembly (10) for an arc discharge vessel has a glass stem (12) having a longitudinal axis (14) that includes a flare (16) with a barrel portion (18) and a seal portion (20) containing at least two relatively rigid s... | 11/08/2005 |
| 6943486 | Illumination unit The invention relates to an illumination unit having an electric lamp which has a lamp vessel having a sealed-off end in the form of a glass base, and having an envelope which at least partially surrounds the lamp vessel and rests on the lamp vessel such that the gl... | 09/13/2005 |
| 6924495 | Heat controlled ultraviolet light apparatus and methods of sanitizing objects using said apparatus A heat controlled ultraviolet light apparatus includes a source of ultraviolet light, a cover, and a heating or cooling element that heats/cools the space or gap between the ultraviolet light source and the cover. Accordingly, the ultraviolet light source may be mai... | 08/02/2005 |
| 6917143 | Lighting apparatus with enhanced capability of removing heat A lighting apparatus comprises an LED-mounted substrate and an exhauster. The substrate has a flat area as well as one or more raised areas of trapezoidal cross section which each form a passage thereunder. LEDs are mounted on the raised areas. When the LED-mounted ... | 07/12/2005 |
| 6812625 | Discharge lamp and outer bulb therefor A discharge lamp is disclosed comprising an enclosed discharge vessel for the generation of an electrical discharge and a casing made of glass which surrounds the discharge vessel. In order to achieve as constant properties as possible over the service life of the l... | 11/02/2004 |
| 6756721 | Metal halide lamp A metal halide lamp has an arc tube including an envelope as an arc tube container made of an oxide-based translucent ceramic material, and the arc tube is filled with luminescent materials comprising at least a cerium halide, a sodium halide, a thallium halide and ... | 06/29/2004 |
| 6741024 | Infrared filter system for fluorescent lighting A method and apparatus that effectively filters infrared light from fluorescent lighting and that is easily adapted to typical fluorescent lighting and assemblies. A transparent tube is provided for receiving a fluorescent lamp wherein the transparent tube includes ... | 05/25/2004 |
| 6696788 | Double jacketed high intensity discharge lamp An electric discharge lamp includes a light transmissive inner jacket that defines a sealed inner chamber, a first material in the inner chamber that emits light when activated, and a light transmissive outer jacket around the inner jacket. The outer jack... | 02/24/2004 |
| 6661168 | Low voltage incandescent lamp with dual envelope A miniature or subminiature incandescent lamp designed to operate with an energy source of 20 volts or less includes a filament enclosed in a first glass envelope and supported by a pair of metal contact pins. A first glass bead seals the envelope and has... | 12/09/2003 |
| 6575415 | Stem clip for high intensity discharge lamp A mount assembly (20) for a lamp has a glass stem (22) having a first portion (24) that is tubular and has an outside diameter D2 and a second portion (26) formed as a pinch seal with at least one dimension greater than D2. A substantial C-shaped clip (10... | 06/10/2003 |
| 6530539 | Internal fluid cooled window assembly An interceptor missile including an infrared radiation detection subsystem and a window assembly in the hull of the missile optically coupled to the infrared radiation detection subsystem. The window assembly includes an inner window, an outer window, and... | 03/11/2003 |
| 6515413 | Infrared filter system for fluorescent lighting A method and apparatus that effectively filters infrared light from fluorescent lighting and that is easily adapted to typical fluorescent lighting and assemblies. A transparent tube is provided for receiving a fluorescent lamp wherein the transparent tub... | 02/04/2003 |
| 6291933 | Metal halide lamp with ARC tube secured to frame by clips passing through protective sleeve Metal halide lamp includes an arc tube and a surrounding tubular quartz sleeve between a pair of parallel wire frame members mounted to a glass stem containing current supply leads. The sleeve is provided with two pairs of diametrically opposed apertures,... | 09/18/2001 |
| 6249077 | Arc tube, mounting member and electric lamp assembly A mounting member for supporting a shroud, and an arc tube located within such shroud, in an arc discharge lamp is provided. The mounting member includes at least two support clips welded to at least one support rod on the same side of the support rod. A ... | 06/19/2001 |
| 6242851 | Dimmable metal halide lamp without color temperature change This invention relates to dimmable metal halide lamps using ceramic arc tubes for the application of energy saving, mood control, and constant light output over the life of the lamp. Under dimmed conditions, as low as 50% of rated wattage, the color tempe... | 06/05/2001 |
