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)
11/1990
11/28/1990CN2066620U Intensive brightness bubular dy lamp
11/27/1990US4974227 Low-pressure mercury resonance radiation source
11/27/1990US4973880 Single end-sealed metal halide lamp
11/27/1990US4973282 Method for making cathodes for neon and argon gas filled tubes
11/27/1990CA1276965C Hot cathode in wire form coated with rare and alkaline earth metal oxides containing barium oxide
11/22/1990EP0398013A2 Getter composition for light sources
11/22/1990DE3941799A1 Discharge lamp contg. mercury vapour among inert gases - eliminates physiological damage by limitation of ranges of wavelength and colour temp. under e.g. electronic control
11/22/1990CA2017129A1 Rare gas discharge fluorescent lamp device
11/21/1990CN2066201U Single tungsten filament fluorescent lamp tube
11/21/1990CN1047169A Sealing end of artificial sapphire electric gaseous discharging device
11/20/1990US4972121 Metal vapor discharge lamp
11/20/1990US4972120 Metal halide lamps, electric discharges, buffers
11/20/1990US4972119 Ceramic envelope device for high-pressure discharge lamp, and method for producing the same
11/20/1990US4972118 Alloy of mercury, bismuth, lead sealed in a tube
11/20/1990US4972115 Hot-cathode type low-pressure rare gas discharge lamp
11/15/1990DE3913504A1 Fluorescent tube for advertising or illumination - has coated electrodes that are nickel oxidised using pumping process while electrodes are heated
11/14/1990EP0397421A2 High efficacy electrodeless high intensity discharge lamp
11/14/1990EP0181398B1 Low-pressure discharge lamp
11/13/1990US4970431 High-pressure sodium discharge lamp with fins radially extending from the discharge vessel for controlling the wall temperature of the discharge vessel
11/13/1990US4970425 Thermal device, mount, and manufacturing method
11/08/1990CA2015508A1 High efficacy electrodeless high intensity discharge lamp
11/07/1990EP0395775A1 Phosphor composition used for fluorescent lamp and fluorescent lamp using the same
11/07/1990CN1010355B Gas discharge lamp
11/06/1990US4968916 Xenon-metal halide lamp particularly suited for automotive applications having an improved electrode structure
10/1990
10/31/1990EP0394743A1 Low pressure gas discharge lamp
10/31/1990CN2064940U Three-pole type fluorescent lamp
10/31/1990CN1046637A Low-pressure mercury vapour discharge lamp
10/30/1990USRE33415 Double-bore capillary-tube gas discharge lamp with an envelope window transparent to short wavelength light
10/30/1990US4967118 Negative glow discharge lamp
10/30/1990US4967090 Cosmetic tanning lamp and system having adjustable UVB proportion
10/30/1990CA1275686C Metal vapor discharge lamp having an electrode-supporting tube hermetically sealed through heat fusion
10/24/1990EP0393754A1 Low-pressure mercury vapour discharge lamp
10/24/1990EP0393449A1 Fluorescent lamp
10/24/1990CN2064542U Power-saving fluorescent lamp
10/24/1990CN2064541U High efficient light bulbs
10/24/1990CN2064539U Illumining reflector lamps with partial metal-plating
10/23/1990US4965491 Plasma generator
10/23/1990US4965484 Vapor discharge lamp with gradient temperature control
10/18/1990DE3912223A1 Ultraviolet metal-halogen tube - with lead-contg. filling with increased energy efficiency
10/17/1990EP0392060A1 Flash lamp
10/17/1990CN1010065B Metal vapor discharge lamp and method of producing the same
10/16/1990US4964016 Group 1a, 2a, yttrium, or lanthanides and a transition metal in a cationic lattice
10/16/1990US4963796 High-pressure sodium vapor lamp
10/16/1990US4963792 Self contained gas discharge device
10/16/1990US4963791 High pressure sodium discharge tube support structure
10/16/1990US4963790 Low wattage metal halide discharge lamp
10/16/1990US4963787 Luminescent alkaline earth metal orthosilicate, luminescent screen provided with such a silicate and low-pressure mercury vapor discharge lamp provided with such a screen
10/16/1990US4963783 Electroded photochemical lamps for photochemical mercury separation
10/11/1990DE3910957A1 Low-pressure gas-discharge radiator
10/11/1990DE3910809A1 Fluorescent lamp
10/10/1990EP0391470A1 Switching device and high-pressure discharge lamp
10/10/1990EP0391283A2 Double-based high-pressure discharge lamp
10/10/1990EP0390871A1 Plasma pinch system and method of using same.
10/10/1990CN2063691U Internal trigger gas discharge lamp
10/10/1990CN2063690U Cross shaped high-power energy-saving fluorescent lamp
10/10/1990CN2063689U Baby energy-saving lamp tube
10/10/1990CN2063631U Hollow cathode lamp for visible ultraviolet molecular absorption spectrum
10/10/1990CN1009974B Microfluorescent lamp and its mfg. method
10/09/1990US4962334 Glow discharge lamp having wire anode
10/05/1990WO1990012417A1 Fluorescent lamp
10/05/1990CA2051447A1 Fluorescent lamp
10/04/1990WO1990011611A1 Electrode for discharge light source
10/03/1990EP0389907A2 Lighting lamp
10/03/1990EP0389770A2 Discharge Lamp
10/03/1990EP0389758A2 Water-cooled, low pressure gas discharge lamp
10/03/1990EP0389717A2 Ultraviolet ray-shielding tube
10/03/1990CN1009884B Low-pressure mercury vapour discharge lamp
10/03/1990CN1009883B Low voltage mercury lamp for photochemical reaction
10/02/1990US4961027 Discharge lamp having a standardized base
10/02/1990US4961024 Circular fluorescent lamp with oval section of tube
10/02/1990US4961020 Sodium vapor lamp for sonic pulse operation
10/02/1990US4961019 Metal halide lamp assembly
09/1990
09/30/1990CA2008849A1 Reflective lamps having an improved light source mounting arrangement
09/26/1990EP0389280A1 Illuminating apparatus
09/26/1990EP0388423A1 Luminous panel
09/26/1990CN2062902U High developing miniature dy lamp for movie and tv
09/25/1990US4959592 Starting electrodes for HID lamps
09/25/1990US4959588 Discharge lamp having a discharge vessel made with a ceramic closing member with an indented inner surface
09/25/1990US4959587 Arc tube assembly
09/25/1990US4959583 Reflective lamps having an improved light source mounting arrangement
09/25/1990US4959551 Cosmetic tanning lamp and system having adjustable UVB proportion
09/20/1990DE4004810A1 Einseitig gequetschte entladungslampe mit vergroesserter hochspannungsfestigkeit Single-pinch discharge lamp with increased high voltage resistance
09/19/1990EP0387823A2 Polymers and their use
09/19/1990CN2062496U Long life high voltage mercury lamp
09/19/1990CN1045485A Exhaust head for compact fluorescent lamps
09/18/1990US4958263 Centralized lighting system employing a high brightness light source
09/18/1990US4958103 HID lamp with multiple discharge devices
09/18/1990US4958102 Three way gas discharge lamp
09/16/1990CA2012220A1 Polymers and their use
09/13/1990DE4003406A1 Niederdruck-quecksilberdampf-entladungslampe sowie luminophormischung Low-pressure mercury vapor discharge lamp and luminophormischung
09/12/1990EP0386990A2 Operating method and circuit for discharge lamps
09/12/1990EP0386602A2 Reprographic metal halide lamps having high blue emission
09/12/1990EP0386601A2 Reprographic metal halide lamps having long life and maintenance
09/12/1990EP0386588A2 Low-pressure mercury discharge lamp
09/12/1990EP0299230B1 Cathode for a high-pressure discharge lamp
09/12/1990EP0277488B1 Discharge lamp, particularly a flash tube
09/11/1990US4956577 Interactive luminous panel display device
09/07/1990CA2011582A1 Mercury discharge lamp
09/05/1990EP0385275A2 Fluorescent lamp having ultraviolet reflecting layer
09/05/1990EP0385243A2 Improved sodium vapor lamp for sonic pulse operation
1 ... 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 ... 297