Patents
Sitemap › H01 - Basic electric elements › H01J - Electric discharge tubes or discharge lamps › H01J 61 - Gas-discharge or vapour-discharge lamps
Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612)
07/1989
07/25/1989US4851735 Single-ended high-pressure discharge lamp with coil and mandrel electrode
07/25/1989US4851734 Flat fluorescent lamp having transparent electrodes
07/25/1989US4851733 Electric lamp having a metal foil with a convexly and concavely curved surface
07/25/1989US4850918 Pulsed metal halide source
07/25/1989US4850500 Dimpled arc tube having no internal end pockets and a lamp employing same
07/25/1989US4850499 Method to reduce color temperature variation in metal halide arc tubes
07/19/1989EP0324652A1 Vehicle headlamp with controlled beam position
07/19/1989EP0324651A1 High intensity discharge light sources utilizing magnetic or electric field for control of arc position
07/11/1989US4847534 High-pressure discharge lamp with torsionally wound electrode structure
07/11/1989US4847533 Low pressure mercury discharge fluorescent lamp utilizing multilayer phosphor combination for white color illumination
07/11/1989US4847530 Arc discharge lamp with elongated outer envelope orthogonal to lamp base
07/04/1989US4845408 Compact fluorescent lamp assembly
07/04/1989US4845406 Getter-containing glow discharge starter having dual gaps
06/1989
06/28/1989EP0321867A2 High-pressure discharge lamp
06/28/1989EP0321765A2 Beam mode fluorescent lamp
06/28/1989CN1004668B Capped vehicle headlight lamp
06/28/1989CN1004667B Low-pressure sodium discharge lamp
06/27/1989US4843521 Reflector with curved dual involute surfaces
06/27/1989US4843279 Fluorescent lamp substantially approximating the ultraviolet spectrum of natural sunlight
06/27/1989US4843266 Metal-halogen discharge lamp with conically shaped insulating elements in outer envelope
06/27/1989US4842635 Method of manufacturing a low-pressure mercury vapor discharge lamp and low-pressure mercury vapor discharge lamp manufactured by means of this method
06/22/1989DE3741566A1 Compact low-pressure discharge lamp
06/21/1989EP0320974A2 Colour selectable pulsed discharge lamp
06/21/1989EP0320933A2 Pulsed metal halide light source
06/21/1989CN2039877U Compact high efficient ultraviolet sterilizing lamp
06/20/1989US4841195 Discharge lamp having a yttrium aluminum garnet discharge envelope
06/20/1989US4841193 Fluorescent lamp device with incandescent bulb type base cap
06/20/1989US4840593 Low pressure mercury vapor discharge lamp and preparation thereof
06/20/1989CA1256155A1 Elongated tubular lamp construction
06/20/1989CA1256154A1 Low pressure mercury discharge lamp for dc operation and method of operating the lamp
06/20/1989CA1256128A1 Gas-tight sintered translucent aluminium oxide
06/15/1989WO1989005515A1 Plasma pinch system and method of using same
06/14/1989CN2039466U Directional disinfecting lamp
06/13/1989US4839565 High pressure double wall sodium arc tube and methods of operating such
06/13/1989US4839560 Heatable electrode for high-pressure gas discharge lamps
06/13/1989US4839555 Laminated lighting device
06/13/1989CA1255746A1 Single-ended metal halide discharge lamps and process of manufacture
06/13/1989CA1255744A1 Circuit arrangement for igniting and operating gas discharge lamps
06/13/1989CA1255739A1 Electric lamp with metal foils having concave and convex curvatures
06/13/1989CA1255738A1 Low pressure arc discharge tube having increased voltage
06/13/1989CA1255737A1 Low pressure arc discharge tube with reduced ballasting requirement
06/13/1989CA1255734A1 Low wattage metal halide lamp with inverted domed sleeve
06/13/1989CA1255643A1 Headlight system
06/07/1989EP0319256A2 High pressure sodium lamp with sodium amalgam of controlled amount sealed therein
06/07/1989EP0318578A1 Silicon dioxide selectively reflecting layer for mercury vapor discharge lamps
06/07/1989CN1033312A Luminous panel
06/07/1989CN1004454B High-pressure na discharge lamp
06/06/1989US4837484 High-power radiator
06/06/1989US4837483 Glow discharge starter containing boron
06/06/1989US4837481 Cerium and terbium activated luminescent material and mercury vapor discharge lamp containing the same
06/06/1989US4837478 Near-infrared ray radiation illuminator and near-infrared ray image pick-up device
06/06/1989US4837477 High pressure discharge lamp with improved arc tube retention structure
06/06/1989US4836816 Oxidation, diffusion of triple carbonates, and reduction
06/01/1989WO1989005037A1 Luminous panel
05/1989
05/30/1989US4835444 Radiation-emitting devices
05/30/1989US4835442 Lamp for generating ultraviolet radiation
05/30/1989US4835440 Fluorescent lamp generating different color light beams
05/30/1989US4835439 Increasing the oxidation resistance of molybdenum and its use for lamp seals
05/24/1989EP0317179A2 Cold-cathode discharge lamp assembly
05/24/1989EP0316617A2 High pressure discharge lamp
05/24/1989CN1004314B Manufacturing method for high pressure discharge lamp
05/23/1989US4833577 Light source in a subdivided arrangement
05/23/1989US4833574 Annular fluorescent lamp
05/23/1989US4833366 High performance hollow cathode lamp
05/18/1989DE3737605A1 Ultraviolet fluorescent lamp without any UV-B radiation
05/17/1989EP0316189A2 IR-radiation source and method for producing same
05/17/1989CN2037873U High-performance hollow-cathode lamp
05/16/1989US4830492 Glow-discharge lamp and its application
05/10/1989EP0315445A2 Discharge arc lamp
05/10/1989EP0315261A1 High-pressure sodium discharge lamp
05/10/1989EP0314732A1 Xenon short-arc discharge lamp.
05/09/1989CA1253913A1 High-pressure sodium discharge lamp
05/03/1989EP0314121A2 Hot-cathode discharge fluorescent lamp filled with low pressure rare gas
05/03/1989EP0313811A1 Gas discharge lamp
05/03/1989CN2037109U Longlife fluorescent lamp
05/02/1989US4827190 Metal vapor discharge lamp and method of producing the same
05/02/1989US4827189 Solder connection for an electrode of the gas discharge lamp and the method for manufacture
05/02/1989US4827188 Hydrogen getter and method of manufacture
05/02/1989US4827187 Europium activated
05/02/1989US4827176 Metal vapor discharge lamp with radioactively impregnated ceramic material body
05/02/1989US4825957 Breakaway mechanism for a row marker
05/02/1989CA1253564A1 High-pressure sodium vapor lamp and ternary amalgam therefor
04/1989
04/26/1989EP0313028A2 Arc discharge lamp with electrodeless ultraviolet radiation starting source
04/26/1989EP0313027A2 Arc discharge lamp with ultraviolet radiation starting source
04/25/1989US4825128 Compact discharge lamp with conductive coating capacitvely coupled to high frequency supply
04/25/1989US4825127 Phosphor layer, arc tube containing indium, lithium, sodium, cesium iodide, mercury and inert gas mixtures
04/25/1989US4825126 Ceramic envelope device for high-pressure discharge lamp
04/25/1989US4825125 Discharge lamp having multiple constrictions
04/25/1989US4825124 Phosphor particle, fluorescent lamp, and manufacturing method
04/25/1989CA1253191A1 Lamp for emission of radiation in uv and visible light ranges of the spectrum
04/19/1989EP0312002A2 Exposure apparatus
04/18/1989US4823050 Metal-halide arc tube and lamp having improved uniformity of azimuthal luminous intensity
04/18/1989US4823049 Vehicle lamp having a molded lamp cap with integral current-supply conductors and dipping cap
04/18/1989US4823047 Mercury dispenser for arc discharge lamps
04/18/1989US4823043 Lens pipe arc lamp
04/18/1989US4822312 Electrode for high intensity discharge lamps
04/11/1989US4820906 Long arc lamp for semiconductor heating
04/05/1989EP0309749A1 Molybdenum seal resistant to oxidation and its use in lamp seals
04/05/1989CN1003828B High voltage sodium discharge lamp
04/05/1989CN1003825B Burstproof lamp socket
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