| Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612) |
|---|
| 07/14/1981 | US4278911 Circular fluorescent lamp unit |
| 07/14/1981 | US4278910 High pressure arc discharge lamp having concave shaped outer jacket |
| 07/08/1981 | EP0031556A1 Illumination source for line scanning of a document |
| 07/07/1981 | US4277725 Gas and/or vapor discharge lamp |
| 07/07/1981 | US4277720 Low-pressure mercury vapor discharge lamp |
| 07/07/1981 | US4277717 Mixture with rare gas |
| 07/07/1981 | US4277715 Electric gas discharge lamp |
| 07/07/1981 | US4277714 Long life |
| 07/07/1981 | US4277713 Low-pressure gas discharge lamp and method for making |
| 07/01/1981 | EP0031175A1 Low-pressure mercury vapour discharge lamp |
| 07/01/1981 | EP0030956A1 Daylight fluorescent lamps employing blend. |
| 06/30/1981 | CA1103914A1 Light emitting substances for screens or tubes |
| 06/24/1981 | EP0030730A2 High pressure discharge lamps with fast restart |
| 06/24/1981 | EP0030547A1 Strontium-calcium fluorapatite phosphors and lamps incorporating same |
| 06/23/1981 | US4275330 Electric discharge lamp having a cathode with cesium metal oxide |
| 06/23/1981 | US4275329 Electrode with overwind for miniature metal vapor lamp |
| 06/23/1981 | US4275325 Fluorescent lamp with plural sealed enclosures and electrical connector therefor |
| 06/23/1981 | CA1103759A1 Radiation apparatus |
| 06/16/1981 | US4274029 Gas discharge device with metal oxide carrier in discharge path |
| 06/16/1981 | CA1103000A1 Polycrystalline translucent alumina having an excellent in-line transmission, a method for producing said alumina and a high pressure vapor discharge lamp obtained by using said alumina |
| 06/10/1981 | EP0029849A1 A r c spreading device |
| 06/09/1981 | US4272703 D.C. Voltage fluorescent lamp |
| 06/09/1981 | US4272702 Fluorescent lamp |
| 06/09/1981 | CA1102865A2 Low-pressure mercury vapour discharge lamp |
| 06/02/1981 | CA1102403A1 Gas and/or vapour discharge lamp |
| 06/02/1981 | CA1102402A1 Discharge lamp |
| 06/02/1981 | CA1102390A1 Metal halide lamps with iodides of sodium, lithium and scandium |
| 06/02/1981 | CA1102389A1 Low-pressure mercury vapour discharge lamp |
| 06/02/1981 | CA1102105A1 Luminescent screen |
| 06/02/1981 | CA1102104A1 Luminescent screen |
| 05/26/1981 | US4270071 Composite base and ballast member for compact single-ended fluorescent lamp |
| 05/26/1981 | CA1101918A1 High-pressure sodium vapour discharge lamp including xenon |
| 05/20/1981 | EP0028885A1 An electrically conducting cermet, its production and use |
| 05/19/1981 | US4268780 Integrated fluorescent-incandescent lamp assembly |
| 05/14/1981 | WO1981001344A1 Cathode unit for fluorescent tube |
| 05/12/1981 | US4267485 A mercury discharge lamp having a first phosphor layer comprising activated oxides of strontium, barium, calcium, europium, phosphorus, and boron; natural light |
| 05/12/1981 | CA1101042A1 Heavy-current mercury low-pressure lamp |
| 05/12/1981 | CA1101041A1 Low-pressure gas discharge lamp |
| 05/06/1981 | EP0028128A1 Improvements in or relating to high-intensity-discharge sodium lamps |
| 05/05/1981 | US4266161 Fluorescent strontium-barium chloroapatite activated by europium and calcium-strontium fluoroapatite |
| 05/05/1981 | US4266160 Strontium-calcium fluorapatite phosphors and fluorescent lamp containing the same |
| 05/05/1981 | US4265950 Phosphor-coating composition and method for electric discharge lamp |
| 05/05/1981 | CA1100563A1 Multicolor gas discharge display memory panel |
| 04/28/1981 | US4264541 Impregnating with nitrate solution except for ends; sintering |
| 04/28/1981 | CA1100167A1 Xenon light apparatus for supplying ultraviolet and visible spectra |
| 04/21/1981 | US4263533 Magnetically contained arc discharge lamp with crossed electric and magnetic fields |
| 04/21/1981 | US4263530 Warm white fluorescent lamp having good efficacy and color rendering |
| 04/08/1981 | EP0026521A1 Low-pressure metal vapour discharge lamp |
| 04/08/1981 | EP0026428A2 Fluorescent lamp |
| 04/07/1981 | US4260934 Electric device provided with a switch which is designed as a discharge tube |
| 04/07/1981 | US4260931 Low-pressure mercury vapor discharge lamp with luminescent coatings on envelope walls |
| 04/07/1981 | US4260929 High-pressure sodium vapor discharge lamp |
| 03/24/1981 | US4258289 Metal halide lamp for operation with a mercury ballast |
| 03/24/1981 | US4258288 Resistor-aided starting of metal halide lamps |
| 03/24/1981 | US4258287 Circular fluorescent lamp unit |
| 03/24/1981 | US4258285 Two-component phosphor in a cool white lamp |
| 03/24/1981 | CA1098097A1 Removable dust-free lamp unit with contactless switch |
| 03/18/1981 | EP0025329A1 Improvements in or relating to lamps |
| 03/10/1981 | US4255687 Low pressure mercury vapor discharge lamp |
| 03/10/1981 | CA1097021A1 Apparatus for sterilizing liquids |
| 03/03/1981 | US4254356 Inlead and method of making a discharge lamp |
| 03/03/1981 | US4254355 Ceramic arc tube mounting |
| 03/03/1981 | US4254300 Electric lamp |
| 03/03/1981 | CA1096924A1 Glow discharge lamp |
| 03/03/1981 | CA1096923A1 Low-pressure mercury vapour discharge lamp |
| 03/03/1981 | CA1096603A1 Luminescent screen |
| 02/24/1981 | US4253038 Light source excited by high frequency for Zeeman effect atomic absorption analysis |
| 02/24/1981 | US4253037 High-pressure sodium-vapor discharge lamp |
| 02/17/1981 | US4251750 Phosphor blend |
| 02/17/1981 | US4251569 Suspension of alkaline earth carbonates in water, lignosulfonic acid, ammonia, hydroxy compound |
| 02/10/1981 | US4250391 Apparatus for sterilizing liquids |
| 02/10/1981 | CA1095576A1 Lamp leads of dispersion strengthened copper wire |
| 02/10/1981 | CA1095537A1 Sealing materials for ceramic envelopes |
| 02/03/1981 | US4249102 Having at least a partially frosted bulb |
| 01/28/1981 | EP0023068A1 Luminescent screen |
| 01/27/1981 | US4247798 Mercury-metal halide discharge lamp |
| 01/27/1981 | CA1094630A1 High-pressure discharge lamp |
| 01/27/1981 | CA1094628A1 Low-pressure sodium vapour discharge lamp with infra- red reflector |
| 01/27/1981 | CA1094627A1 Support ring for discharge tube in gas and/or vapour discharge lamp |
| 01/20/1981 | US4246630 Ultraviolet emitting Ce alkaline earth aluminate lamp phosphors and lamps utilizing same |
| 01/20/1981 | US4246509 Gas discharge lamp with about 4 parts nitrogen and 1 part xenon |
| 01/20/1981 | CA1094141A1 Universal burning alkali metal vapor lamp |
| 01/20/1981 | CA1094140A1 High pressure sodium vapor lamp stabilized for pulse operation |
| 01/14/1981 | EP0022304A1 Electric lamp having a partly mirrored lamp envelope |
| 01/13/1981 | US4245175 Metal halide lamp having lead metal powder to reduce blackening |
| 01/13/1981 | US4245155 Pulsed cesium discharge light source |
| 01/13/1981 | CA1093628A1 Device and method of starting a long radiation source |
| 01/13/1981 | CA1093624A1 Electric gas discharge lamp with ceramic end plug |
| 01/08/1981 | WO1981000031A1 Two-component phosphor in a cool white lamp |
| 01/08/1981 | WO1981000030A1 Strontium calcium fluorapatite phosphors and lamps incorporating same |
| 01/08/1981 | WO1981000028A1 Daylight fluorescent lamps employing blend |
| 01/08/1981 | WO1981000013A1 Cool white lamp using a two-component phosphor |
| 01/07/1981 | EP0021536A1 Luminescent silicate, luminescent screens and lamps comprising such a luminescent silicate |
| 01/06/1981 | US4243909 Fluorescent lamp alkaline earth halophosphate phosphor with protective NaCs2 PrCl6 coating |
| 01/06/1981 | US4243906 High pressure mercury vapor discharge lamp |
| 12/30/1980 | CA1092636A1 Fluorescent lamps |
| 12/23/1980 | US4241276 Blended phosphor coating of cerium activated yttrium aluminate and europium activated yttrium vanadate |
| 12/16/1980 | CA1091760A1 Combination discharge-incandescent lamp with thermal switch control |
| 12/11/1980 | WO1980002786A1 A r c spreading device |
| 12/10/1980 | EP0020142A1 Spectral radiation sources of the hollow cathode type |