Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612) |
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04/04/1989 | US4818915 Arc discharge lamp with ultraviolet radiation starting source |
03/29/1989 | EP0308975A1 Cold cathode discharge tube |
03/29/1989 | CN1032095A Dc fluorescent lamp device |
03/28/1989 | US4816974 Glare control lamp and reflector assembly and method for glare control |
03/28/1989 | US4816719 Low pressure arc discharge tube with reduced ballasting requirement |
03/22/1989 | EP0179778B1 Adapter for releasibly connecting electric lighting apparatuses |
03/22/1989 | CN1031909A High-coloration and high-voltage fluorescent mercury-vapour lamp |
03/22/1989 | CN1031908A Low-pressure mercury vapour discharge lamp |
03/21/1989 | US4814663 Fluorescent lamp for unipolar mode of operation |
03/15/1989 | EP0307037A1 Low-pressure mercury vapour discharge lamp |
03/15/1989 | EP0306497A1 Radiation-emitting devices |
03/15/1989 | CN2034332U Fluorescent explosion-proof light with high illumination |
03/15/1989 | CN2034331U Multi-filament fluorescent tube with switching function |
03/14/1989 | US4812714 Arc discharge lamp with electrodeless ultraviolet radiation starting source |
03/09/1989 | WO1989002160A1 Hot cathode type low pressure rare gas discharge lamp |
03/08/1989 | EP0306269A2 Double-enveloped electric lamp |
03/08/1989 | EP0306257A2 Metal vapour discharge lamp |
03/08/1989 | EP0306085A1 High-pressure discharge lamp |
03/08/1989 | CN1031625A Long-lifetime fluorescent tube |
03/07/1989 | US4810938 High efficacy electrodeless high intensity discharge lamp |
03/07/1989 | US4810932 Tungsten-halogen incandescent and metal vapor discharge lamps and processes of making such |
03/07/1989 | US4810930 Luminescent Eu3+ -activated silicate, luminescent screen provided with such a silicate and low-pressure mercury vapor discharge lamp provided with such a screen |
03/07/1989 | US4810924 Double-bore capillary-tube gas discharge lamp with an envelope window transparent to short wavelength light |
03/07/1989 | CA1250888A1 Ceramic lamp end closure and inlead structure |
03/07/1989 | CA1250887A1 Light emitting tube and method for producing same |
03/07/1989 | CA1250886A1 Low pressure mercury vapor discharge lamp and preparation thereof |
03/01/1989 | EP0305151A2 Erase lamp |
03/01/1989 | CN2033545U Direct-current fluorescent tube |
02/28/1989 | US4808883 Discharge lamp device having semiconductor ceramic cathode |
02/28/1989 | US4808882 High pressure discharge lamp with overhung end arc tube and cermet ends |
02/28/1989 | US4808881 Ceramic envelope device for high-pressure discharge lamp |
02/28/1989 | US4808877 Low-pressure sodium discharge lamp having a collar-like heat shield |
02/28/1989 | US4808876 Metal halide lamp |
02/23/1989 | WO1989001700A1 Green light emitting rare gas discharge lamp |
02/22/1989 | EP0304117A1 Luminescent Eu3+-activated silicate, luminescent screen provided with such a silicate and low-pressure mercury vapour discharge lamp provided with such a screen |
02/21/1989 | US4806975 Erase lamp with plural electrodes |
02/21/1989 | US4806828 High pressure sodium discharge lamps with hydrogen getter |
02/21/1989 | US4806826 High pressure sodium vapor discharge device |
02/21/1989 | US4806825 Infra-red phosphors |
02/21/1989 | US4806824 Fluorescent lamp using multi-layer phosphor coating |
02/21/1989 | US4806816 High-pressure discharge lamp |
02/15/1989 | CN1031102A Fluorescent powder for scarlet fluorescent lamp and its preparation |
02/14/1989 | US4805180 Discharge tube apparatus |
02/14/1989 | US4804889 Electrode feedthrough assembly for arc discharge lamp |
02/14/1989 | US4804888 Low starting voltage short-arc discharge lamp |
02/14/1989 | US4804886 Nondegradable to different temperatures; economically feasible |
02/07/1989 | US4803404 Envelope for small high-intensity-discharge electrodeless arc lamp |
02/07/1989 | US4803403 End seal for ceramic arc discharge tubes |
02/07/1989 | US4803401 Compact fluorescent lamp |
02/07/1989 | US4803400 Pre-water-based suspension phosphor treatment process |
02/07/1989 | US4803399 Fluorescent lamp arrangement for uniformly illuminating a display panel |
02/01/1989 | EP0301560A2 Gas discharge lamp with built-in resistance to color center formation in ultraviolet-transmissive window |
02/01/1989 | CN2031966U Electronic energy-saving fluorescent lamp with heat-radiating shell |
01/31/1989 | US4801846 Mercury with cerium, thulium, cesium, and calcium iodide and an inert gas |
01/31/1989 | US4801841 Gas discharge lamp with built-in resistance to color center formation in ultraviolet-transmissive window |
01/31/1989 | US4801840 Discharge lamp having automatically controlled preheating device attached to envelope |
01/25/1989 | CN2031574U Combined self ballast electron fluorescent lamp with multiple bulbs |
01/24/1989 | US4800321 High pressure sodium lamp |
01/24/1989 | US4800320 Discharge tube for a high pressure metal vapor discharge lamp and a method of manufacturing the same |
01/24/1989 | US4800319 Luminescent halophosphate, borate, yellow pigment |
01/24/1989 | US4799601 Translucent alumina ceramic tube and a process for making same |
01/19/1989 | DE3831691A1 Method for reducing the blackening of the vessel of a mercury-vapour ultraviolet radiator |
01/18/1989 | EP0299230A1 Cathode for a high-pressure discharge lamp |
01/18/1989 | CN2031161U Electronic power-saving fluorescent lamp |
01/17/1989 | US4799135 Headlight for vehicle |
01/17/1989 | US4798997 Lighting device |
01/17/1989 | US4798995 Metal halide lamp containing halide composition to control arc tube performance |
01/17/1989 | US4798768 Luminescent alumino-silicate and/or alumino-borate glass comprising lanthanum and/or gadolinium and luminescent screen provided with such a glass |
01/17/1989 | US4798681 Terbium oxide or cerium oxide activator |
01/17/1989 | CA1249015A1 High pressure sodium lamp having improved pressure stability |
01/17/1989 | CA1249014A1 High-pressure gas discharge lamp having an electrode consisting of tungsten sheet material |
01/11/1989 | EP0298544A1 Colored fluorescent display lamp assembly |
01/10/1989 | US4797594 Reprographic aperture lamps having improved maintenance |
01/04/1989 | CN2030378U Multiple loop lamp |
01/03/1989 | US4795943 High-pressure sodium vapor discharge lamp |
01/03/1989 | US4795942 Hollow cathode discharge device with front shield |
01/03/1989 | US4795939 Electric lamp bulb attachment arrangement |
01/03/1989 | US4795588 Method of preparing a luminescent Eu2 + activated strontium aluminate |
01/03/1989 | CA1248169A1 Fluorescent light unit with dual light levels |
12/28/1988 | EP0296536A2 Integral lamp for tricolor picture element |
12/28/1988 | EP0296535A2 Low-pressure arc discharge lamp having increased surface brightness |
12/28/1988 | EP0296534A2 Low-pressure arc discharge lamp having increased surface brightness |
12/28/1988 | EP0296531A2 Phospor process for its production and ultraviolet ray excited fluorescent tube employing it |
12/28/1988 | CN88211566U Connecting structure of daylight lamp |
12/27/1988 | US4794614 Discharge tubes |
12/27/1988 | US4794301 Fluorescent lamp having a convoluted discharge passage and fluorescent lamp apparatus incorporating the same |
12/27/1988 | US4794297 Shielded discharge-type automotive head lamp |
12/21/1988 | EP0295491A1 Apparatus for and method of stabilizing the quantity of light of fluorescent lamp |
12/20/1988 | US4792730 Circuit for interrupting arc discharge in a gas-discharge vessel |
12/20/1988 | US4792726 Fluorescent lamp unit with integral ballast housing |
12/20/1988 | US4792716 Energy-efficient electric discharge lamp with reflective coating |
12/15/1988 | WO1988010005A1 Silicon dioxide selectively reflecting layer for mercury vapor discharge lamps |
12/14/1988 | EP0295140A2 Fluorescent lamp with a predetermined cri and method for making |
12/13/1988 | US4791334 Metal-halide lamp having heat redistribution means |
12/13/1988 | CA1246658A1 Compact fluorescent lamp assembly |
12/13/1988 | CA1246656A1 Single-ended high intensity discharge lamp and manufacture |
12/13/1988 | CA1246655A1 Electrode alignment and capsule design for single- ended low wattage metal halide lamps |
12/13/1988 | CA1246654A1 End seal for ceramic arc discharge tubes |
12/13/1988 | CA1246653A1 Low wattage metal halide lamp |
12/13/1988 | CA1246642A1 Fluorescent lamp with iron-nickel bimetal filament switch |