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)
06/1990
06/19/1990US4935668 Hydrogen and water scavenger
06/19/1990US4935667 High-pressure sodium discharge lamp comprising a discharge arc shielding means
06/19/1990US4935664 Diffuse discharge lamp
06/19/1990US4935660 Single-ended compact halogen discharge lamp and reflector combination
06/19/1990US4934768 Picture element lamp assembly for information display system
06/13/1990EP0372560A2 Process for producing a phosphor
06/13/1990EP0372234A1 Fluorescent lamp
06/13/1990EP0174374B1 Glow discharge tube for analysis
06/13/1990CN2058297U Power saving electrod pair fluorescent lamp
06/13/1990CN1043065A Apparatus for controlling gas-filled tube lamps
06/12/1990US4933600 Low-pressure mercury vapor discharge lamp, particularly ultra-violet radiator, also providing visible light output
06/06/1990EP0371315A2 Discharge vessel for a high-pressure discharge lamp, and method for producing same
06/06/1990EP0371164A1 Flash lamp
06/06/1990CN1008313B Discharge tube for high-pressure metal vapour discharge lamp and its manufacturing process
06/05/1990US4931696 Fluorescent lamp starter assembly
06/05/1990US4931685 Discharge lamp
06/05/1990CA1270037A1 Gas discharge illumination device having the appearance of a laser beam
05/1990
05/31/1990WO1990006040A1 Arc lamp stabilization
05/31/1990WO1990005992A1 Device for igniting gas-discharge lamps
05/29/1990US4929869 High intensity discharge lamp containing iron and silver in the arc tube filling
05/29/1990US4929868 Glow discharge lamp containing nitrogen
05/29/1990US4929863 Sports illumination
05/23/1990EP0369254A2 Tantala-silica interference filters and lamps using same
05/23/1990EP0368958A1 Fluorescent light source based on a phosphor excited by a molecular discharge
05/23/1990EP0368874A1 Fluorescent reflector lamp assembly
05/23/1990CN1042449A High-pressure sodium discharge lamp
05/16/1990CN1042271A High-pressure discharge lamp
05/16/1990CN1008031B High-pressure discharge lamp
05/16/1990CN1008030B High-pressure mercury vapour discharge lamp
05/15/1990US4926092 Stem with molded back-fill gas directional diffuser
05/15/1990US4926091 Luminescent terbium-activated borate, luminescent screen provided with such a borate and low-pressure mercury vapor discharge lamp provided with such a screen
05/15/1990US4925703 Firing and milling method for producing a manganese activated zinc silicate phosphor
05/15/1990CA1269133A1 Compact low pressure mercury vapour discharge lamp
05/15/1990CA1269132A1 Linear sodium lamp arc tube centering means
05/09/1990EP0367032A2 Centralized lighting system employing a high brightness light source
05/09/1990EP0366995A2 Arc discharge lamp having improved performance
05/09/1990CN2057031U Dual- or multi-filament lamp
05/09/1990CN1042037A Direct current electronic controller for fluorescent lamp
05/08/1990US4924146 Unsaturated high-pressure sodium lamp
05/08/1990US4924145 Mercury capsule support
05/08/1990US4924143 Colored fluoroescent display lamp assembly
05/08/1990US4924142 Containing indium-tin-zinc alloy of specific composition forming amalgam with mercury
05/08/1990US4924141 High purity; specific particle size and surface area
05/08/1990US4924133 High-pressure discharge lamp with support structure for discharge vessel
05/08/1990US4923425 Applying phosphor coating on silica coated envelope maintains color rendering index
05/08/1990US4923420 Method of manufacturing ceramic translucent material
05/02/1990EP0366187A1 High-pressure discharge lamp
05/01/1990US4922078 Process for operating an exposure apparatus and exposure apparatus for conducting this process
04/1990
04/26/1990DE3908553C1 Gas-discharge lamp
04/24/1990US4920298 Flat fluorescent lamp for liquid crystal display
04/24/1990US4919019 Device for the removal or installation of fluorescent tubes of the single-pin type
04/24/1990CA1268202A1 Tubular electric lamp with an interference filter on tubular portions
04/19/1990DE3932411A1 High pressure gas discharge lamp - has mirrored end caps and auxiliary heat-reflective coating applied to lamp envelope
04/18/1990EP0364124A2 Aquarium lighting
04/18/1990EP0364014A1 High-pressure sodium discharge lamp
04/18/1990EP0363991A2 Metal halide lamp assembly
04/18/1990EP0363832A1 Radiating device having a high output
04/18/1990CN1041480A 短弧放电灯 Short-arc discharge lamps
04/17/1990US4918352 Metal halide lamps with oxidized frame parts
04/14/1990CA2000660A1 Metal halide lamp assembly
04/12/1990DE3834630A1 Luminaire for indicating the operation and for simultaneously illuminating an operating panel of a domestic appliance
04/11/1990EP0362565A1 High stability high intensity atomic emission light source
04/11/1990CN1041240A Absorbing gas belt releasing mercury vapour for production of cold cathodes of fluorescent lamps
04/11/1990CN1007561B High intensity radiation apparatus
04/10/1990US4916359 Fluorescent coating
04/10/1990US4916352 Jacketed fluorescent lamps
04/10/1990US4916351 Arc tube having crystalline press seal penetration suppression means and lamp employing same
04/08/1990CA2000316A1 Aquarium lighting
04/04/1990EP0361530A2 Lamp assembly utilizing shield and ceramic fiber mesh for containment
04/04/1990EP0361198A2 Method of producing a reflection layer for high-pressure discharge lamps
04/04/1990EP0360927A1 Improved high vacuum lamp and getter means used to this end
04/04/1990CN1041064A Method of assembling discharge vessel of high-pressure discharge light source of suction-pipeless-type
04/04/1990CN1007475B Compact low pressure mercury vapour discharge lamp and method for its manufacture
04/04/1990CN1007474B Compact low pressure mercury vapour discharge lamp
04/03/1990US4914347 Mixture of helium, neon, argon, kryton and xenon
04/03/1990US4914346 Coated with reactoin product of boric acid and luminescent material
04/03/1990CA1267279A1 Tungsten laden emission mix of improved stability
03/1990
03/28/1990EP0360326A1 Method of irradiating plants
03/28/1990EP0360138A1 High efficacy discharge lamp having large anodes
03/27/1990US4912368 Cold cathode discharge tube with series connected capacitor
03/27/1990US4912364 Three-phase high-pressure gas discharge lamp filled with a gas containing sodium or a metal-halide
03/27/1990CA1267188A1 Metal vapor lamp having low starting voltage
03/27/1990CA1267187A1 High-pressure discharge lamp having a lead-through with a protuberance
03/27/1990CA1267186A1 Low-pressure mercury vapour discharge lamp
03/27/1990CA1267185A1 High-pressure discharge lamp having electrodes wound in opposite sense
03/21/1990EP0359724A2 Cold cathodes for fluorescent lamps
03/21/1990EP0359200A2 Metal halide discharge lamp with improved color rendering properties
03/20/1990US4910437 High-pressure discharge lamp
03/20/1990US4910433 Emitterless SDN electrode
03/20/1990US4910432 Ceramic metal halide lamps
03/20/1990US4910431 Hydrogen discharge ultraviolet light source or lamp, and method of its manufacture
03/20/1990US4910430 High pressure sodium lamp substantially preventing movement of melted sodium-mercury amalgam during use
03/20/1990US4910427 Glow starter holder with protection against R.F. overheating
03/14/1990EP0358278A1 Luminescent terbium-activated borate, luminescent screen provided with such a borate and low-pressure mercury vapour discharge lamp provided with such a screen
03/14/1990EP0358226A2 Lighting lamp
03/13/1990US4908546 Lead-in wire for compact fluorescent lamps
03/13/1990US4907998 A resiliently deformable container for mercury, and lamp and method of its manufacture using such a container
03/07/1990EP0356840A2 High pressure discharge lamp
03/07/1990CN2054207U Fluorescent lamp apparatus without tungsten filament
03/07/1990CN1007102B Welding technique for quartz and copper in xenon lamp with big power
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