| Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612) |
|---|
| 09/05/1990 | CN2061733U Spiral screwed compact fluorescent light |
| 09/05/1990 | CN2061732U Double filament fluorescent light |
| 09/04/1990 | US4954937 Display sheet on bulb surface |
| 09/03/1990 | CA2007148A1 Sodium vapor lamp for sonic pulse operation |
| 08/29/1990 | EP0384520A1 Electrodeless low-pressure discharge lamp |
| 08/29/1990 | EP0384408A1 Gas discharge tube, indirectly heated cathode for use therein and drive circuit therefor |
| 08/29/1990 | EP0384407A1 Discharge tube |
| 08/29/1990 | EP0384406A1 Indirectly heated cathode for a gas discharge tube |
| 08/29/1990 | CN1045003A Electrodeless low-pressure discharge lamp |
| 08/29/1990 | CN1044948A Luminescent alkaling earth metal orthosilicate, luminescent screen provided with such a silicate and low-pressure mercury vapour discharge lamp provided with such a screen |
| 08/29/1990 | CN1009407B Discharge vessel wire support |
| 08/28/1990 | US4952841 High-pressure discharge lamp with improved electrodes |
| 08/28/1990 | US4952187 Method for the manufacture of compact low-pressure mercury discharged lamp |
| 08/23/1990 | WO1990009676A1 Radiation-emitting panels and display assemblies |
| 08/22/1990 | EP0383728A1 Method for making cathodes for neon and argon gas-filled tubes |
| 08/22/1990 | EP0383634A2 Ultraviolet-suppressed light source, coating agent used in the same, and method for manufacturing the same |
| 08/22/1990 | EP0383388A1 Luminescent alkaline earth orthosilicate, luminescent screen provided with such a silicate and low-pressure mercury vapour discharge lamp provided with such a screen |
| 08/22/1990 | EP0383108A1 High-pressure discharge lamp for operation with an alternating current |
| 08/21/1990 | US4950954 Metal halide discharge lamp with electrodes having unequal thoria contents |
| 08/21/1990 | US4950953 High pressure sodium lamp with sodium amalgam of controlled amount sealed therein |
| 08/21/1990 | US4950948 Continuous alumina coating; fluorescent lamp |
| 08/21/1990 | US4950938 Discharge lamp with discharge vessel rupture shield |
| 08/21/1990 | US4950053 Multibend fluorescent light source for liquid crystal displays with out of plane lamp electrodes |
| 08/16/1990 | EP0382516A2 Metal halide lamp maintaining a high lumen maintenance factor over an extended operation period |
| 08/15/1990 | CN2060597U Combined colour energy-saving fluorescent lamp |
| 08/15/1990 | CN2060596U 耐用日光灯 Durable fluorescent |
| 08/15/1990 | CN1044735A Electric lamp |
| 08/15/1990 | CN1044734A High-pressure gas discharge lamp |
| 08/15/1990 | CA2008646A1 Ac high pressure discharge lamp, especially for high current level operation |
| 08/14/1990 | US4949005 Tantala-silica interference filters and lamps using same |
| 08/14/1990 | US4949004 Gas discharge lamp having temperature controlled, liquid reservoir for liquified portion of gas |
| 08/14/1990 | US4949003 Oxygen protected electric lamp |
| 08/14/1990 | US4948530 Suspension of silicic acid-alumina mixture, zirconium oxide, acetic acid, boric acid, water |
| 08/14/1990 | CA1272754A1 Sodium discharge lamp having a current supply conductor connected via a capacitor to a translucent conducting coating |
| 08/09/1990 | WO1990009032A1 Deuterium lamp for spectral analysis devices |
| 08/08/1990 | EP0381279A1 High-pressure gas discharge lamp |
| 08/08/1990 | EP0381265A1 Electric lamp |
| 08/08/1990 | EP0381035A2 Single side-sealed metal vapor discharge lamp |
| 08/08/1990 | CN2060259U High-efficient direct-current fluorescent lamp tube |
| 08/08/1990 | CN2060258U Power general illumination fluorescent lamp |
| 08/08/1990 | CN1009146B High-pressure discharge lamp |
| 08/07/1990 | US4947080 Apparatus for rotating an electrodeless light source |
| 08/07/1990 | US4946707 Long life lamps |
| 08/02/1990 | DE4001526A1 Verfahren zur dimensionierung und zum betrieb einer niederdruckentladungslampe A method for sizing and operation of a low-pressure discharge lamp |
| 08/01/1990 | CN2060013U Fluorescent tube with novel electrode |
| 07/31/1990 | US4945288 Double jacket lamp |
| 07/31/1990 | US4945281 Flat light source |
| 07/26/1990 | WO1990008399A1 Method of dimensioning and operating a low pressure discharge lamp |
| 07/25/1990 | CN2059767U Fluorescent tube |
| 07/25/1990 | CN1044191A Fluorescent discharge lamp tube of formant ensemble compact of normalise base with capacitive type ballast |
| 07/18/1990 | EP0378338A2 Discharge tube |
| 07/18/1990 | EP0377899A2 Lighting discharge lamp |
| 07/18/1990 | CN1044012A 长寿荧光灯管 Longevity of fluorescent tubes |
| 07/18/1990 | CN1008851B High-pressure gas discharge lamp |
| 07/17/1990 | US4942330 Lamp assembly utilizing shield and ceramic fiber mesh for containment |
| 07/17/1990 | US4941743 Lamp stabilizer circuits, heaters |
| 07/11/1990 | EP0377225A2 Glow discharge lamp containing nitrogen |
| 07/11/1990 | EP0377123A2 Firing and milling method for producing a manganese activated zinc silicate phosphor |
| 07/11/1990 | CN2059292U Controller for gas discharge electric lamg |
| 07/11/1990 | CN1043846A Plasma pinch system and method of using same |
| 07/11/1990 | CN1043822A High intensity radiation apparatus and fluid recirculation system therefor |
| 07/10/1990 | US4941070 Flash device for a camera |
| 07/10/1990 | US4940918 Fluorescent lamp for liquid crystal backlighting |
| 07/10/1990 | CA1271371A1 Lamp envelope having an interior coating of luminescent material and boric oxide |
| 07/05/1990 | DE3842993A1 Ignition device for water-cooled ring (toroidal, electrodeless) discharge tubes |
| 07/05/1990 | CA2006279A1 Glow discharge lamp containing nitrogen |
| 07/04/1990 | EP0376399A2 HPS discharge lamp |
| 07/04/1990 | EP0376394A2 Glow starter holder with protection against R.F. overheating |
| 07/04/1990 | EP0376260A2 Discharge lamp assembly |
| 07/04/1990 | EP0376173A2 Glow discharge lamp having dual anodes and circuit for operating same |
| 07/04/1990 | EP0376149A2 Rare gas discharge fluorescent lamp device |
| 07/04/1990 | EP0375963A2 Variable color-output strobe |
| 07/03/1990 | US4939420 Fluorescent reflector lamp assembly |
| 07/03/1990 | US4939417 High pressure discharge lamp with incandescent filament for starting |
| 07/03/1990 | US4939408 High pressure sodium discharge reflector lamp |
| 07/03/1990 | US4938727 Method of manufacturing a glow discharge starter |
| 06/30/1990 | CA2006688A1 Hps discharge lamp |
| 06/28/1990 | DE3942399A1 Electrode construction for use in gas discharge lamps - with cathode sepd. into front end with electron emission chip, and plated rear part to prevent glass adhesion |
| 06/27/1990 | EP0375402A2 Quartz lamp envelope with molybdenum foil having oxidation-resistant surface formed by ion implantation |
| 06/27/1990 | EP0375341A2 High pressure discharge lamp with incandescent filament for starting |
| 06/27/1990 | EP0375338A2 High intensity radiation apparatus |
| 06/27/1990 | EP0374678A2 High-pressure discharge lamp requiring low electric power, and method for operating it |
| 06/27/1990 | EP0374676A2 Method for producing a two-sided high-pressure discharge lamp |
| 06/27/1990 | CN1043375A High voltage indicator lamp |
| 06/27/1990 | CN1008572B Low-power, low-pressure, mercury-filled gas discharge lamp of compact design and method for producing same |
| 06/27/1990 | CN1008571B High-pressure sodium vapour discharge lamp |
| 06/27/1990 | CA2001953A1 Variable color-output strobe |
| 06/26/1990 | US4937503 Fluorescent light source based on a phosphor excited by a molecular discharge |
| 06/26/1990 | US4937496 Doped with metal halide |
| 06/26/1990 | US4937495 Electrode structure for single ended high pressure discharge lamp |
| 06/26/1990 | US4937494 High pressure discharge lamp having an electrode lead-through with a positioning crimp |
| 06/26/1990 | US4937490 High intensity radiation apparatus and fluid recirculating system therefor |
| 06/26/1990 | US4937487 Picture element lamp assembly for information display system |
| 06/26/1990 | CA1270894A1 High pressure sodium vapor lamp having unsaturated vapor pressure type characteristics |
| 06/26/1990 | CA1270893A1 High-pressure sodium vapour discharge lamp |
| 06/26/1990 | CA1270886A1 High pressure metal vapor discharge lamp having a pre-heater |
| 06/21/1990 | DE3939193A1 Haloge4n metal vapour lamp for optical appts. - has glass envelope containing electrodes spaced by between 1/2 and 1/3 of envelope outer dia. |
| 06/21/1990 | CA2005812A1 Hid lamp with multiple discharge devices |
| 06/20/1990 | EP0373567A1 Low-pressure mercury vapor discharge lamp |
| 06/20/1990 | CN2058533U Fluorescent lamp tube |