Patents for H01J 61 - Gas-discharge or vapour-discharge lamps (29,612) |
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02/03/1982 | EP0045182A1 Compact fluorescent lamp |
02/03/1982 | EP0045051A1 Compression base lamp |
02/02/1982 | US4314181 Arc discharge lamp starting device |
02/02/1982 | US4314175 Method vapor discharge lamp having specific range of xenon pressures |
01/26/1982 | CA1117173A1 Fluorescent lamp having heater circuit disconnect device |
01/21/1982 | WO1982000220A1 Electrodes for gaseous discharge devices |
01/20/1982 | EP0044196A1 Compact fluorescent lamp arrangement |
01/20/1982 | EP0044195A1 Compact fluorescent lamp arrangement |
01/19/1982 | US4312028 Shockproof fluorescent light fixture |
01/19/1982 | US4311943 Fluorescent lamp with arc spreading with recombination structures |
01/19/1982 | US4311942 Compact fluorescent lamp and method and means for magnetic arc spreading |
01/19/1982 | CA1116689A1 Metal vapour discharge lamp |
01/19/1982 | CA1116685A1 Low-pressure mercury vapour lamp having u-shaped inner tube |
01/19/1982 | CA1116684A1 High-pressure metal vapour discharge lamp with auxiliary starting electrode |
01/19/1982 | CA1116390A1 Luminescent screen |
01/12/1982 | US4310774 Arc discharge lamp containing scandium and scandium halide |
01/12/1982 | US4310773 Glass flash tube |
01/07/1982 | WO1982000068A1 Lighting system |
01/06/1982 | EP0043114A1 Projection lamp comprising single ended arc discharge lamp and an interference filter |
01/05/1982 | CA1115766A1 High frequency operation of miniature metal vapor discharge lamps |
12/30/1981 | EP0042746A2 Fluorescent lighting system |
12/29/1981 | US4308483 High brightness, low wattage, high pressure, metal vapor discharge lamp |
12/23/1981 | EP0042230A1 High-intensity discharge lamps |
12/23/1981 | EP0042151A2 High-pressure sodium lamp |
12/23/1981 | EP0042126A2 Fluorescent lamp having two phosphor layers |
12/22/1981 | USRE30831 Mercury lamp, aluminum halide, alkali metal halide |
12/22/1981 | US4307321 Red emitting phosphor with slow exponential decay |
12/22/1981 | US4307315 High pressure discharge lamp with vessel having a UV radiation absorbing portion of quartz glass |
12/22/1981 | CA1114889A1 Electronic starter for igniting a discharge lamp |
12/22/1981 | CA1114888A1 Lamp unit |
12/16/1981 | EP0041721A2 High pressure sodium lamp having improved efficacy |
12/15/1981 | US4306173 Phosphor with extended fluorescence decay lifetime and lamp based thereon |
12/15/1981 | CA1114441A1 High pressure mercury vapour discharge lamp with halides of iron, cobalt or nickel |
12/09/1981 | EP0041408A2 A discharge lamp |
12/09/1981 | EP0041296A1 High-pressure discharge lamp |
12/08/1981 | US4305020 Fail-safe switch which renders HID lamp inoperative upon breakage of outer envelope |
12/08/1981 | US4305019 Warm-white fluorescent lamp having good efficacy and color rendering and using special phosphor blend as separate undercoat |
12/02/1981 | EP0040812A1 Low-pressure discharge lamp |
12/01/1981 | US4303848 Discharge lamp and method of making same |
12/01/1981 | US4303846 Sintered electrode in a discharge tube |
11/25/1981 | EP0040547A1 Illumination system including a low pressure arc discharge lamp |
11/25/1981 | EP0040499A1 Polycrystalline translucent alumina sintered body, a method of producing the same, and a high pressure vapour discharge lamp obtained by using such a sintered body |
11/25/1981 | EP0040449A1 Glow-discharge starter and discharge lamp comprising such a starter |
11/24/1981 | US4302699 Low wattage metal halide arc discharge lamp having optimum efficacy |
11/17/1981 | CA1112713A1 Arc discharge lamp including starting circuit |
11/10/1981 | US4300073 Screw-in type lighting unit having a convoluted tridimensional fluorescent lamp |
11/10/1981 | CA1112296A1 Instant light lamp control circuit |
11/10/1981 | CA1112287A1 Electric lamp with zirconium-nickel as hydrogen getter |
11/10/1981 | CA1112285A1 Low-pressure mercury vapour discharge lamp |
11/03/1981 | US4298822 Folded fluorescent lamp and socket |
11/03/1981 | US4298813 High intensity discharge lamps with uniform color |
11/03/1981 | US4298388 Oxides of silicon, aluminum, an alkaline earth metal, zirconium, titanium, and cerium; halide lamps; tubes and pipes |
11/03/1981 | US4298005 Spectral emittance of ultraviolet radiation; cosmetics; skin disorders; irradiation polymerization; drying of varnishes |
11/03/1981 | CA1111892A1 High-pressure sodium vapour discharge lamp with mercury and xenon |
11/03/1981 | CA1111891A1 High pressure metal vapour discharge lamp |
11/03/1981 | CA1111634A1 Luminescent materials |
10/27/1981 | US4297617 Light producing device |
10/27/1981 | EP0030956A4 Daylight fluorescent lamps employing blend. |
10/27/1981 | CA1111483A1 High pressure metal vapor discharge lamp of improved efficacy |
10/21/1981 | EP0038035A1 Light source comprising a high pressure discharge lamp |
10/21/1981 | EP0037981A1 Mercury vapour high-pressure lamp with an external tube |
10/21/1981 | EP0037980A1 Circular fluorescent lamp incorporating ballast and starter switch |
10/20/1981 | US4296353 Fluorescent lamp having high color rendering index |
10/20/1981 | US4296350 Gaseous fluorescent discharge lamp |
10/14/1981 | EP0037688A1 Fluorescent lamps |
10/14/1981 | EP0037589A2 Low pressure metal vapour discharge lamp |
10/13/1981 | US4295075 Arc discharge lamp having ceramic arc tube |
10/13/1981 | US4295074 Mercury arc lamp having communicating mercury reservoir |
10/13/1981 | CA1110688A1 Electric lamp with multiple glass layers on lead- through conductors |
10/06/1981 | US4293884 Multiple leg magnetic transducer structure |
10/06/1981 | CA1110280A1 Sealing of ceramic and cermet parts |
10/06/1981 | CA1110279A1 Heat-resistant sealing materials |
09/22/1981 | US4291250 Coating end cap with a refractory metal silicide and a alumina and calcia glassy sealing frit |
09/15/1981 | US4290097 High-pressure discharge lamp and reflector combination |
09/15/1981 | US4289991 Glass envelopes, mercury vapor |
09/08/1981 | US4288715 Low-pressure mercury vapor discharge lamp |
09/08/1981 | US4288239 Method of making a convoluted tubular envelope for a compact electric discharge lamp |
09/08/1981 | CA1108388A1 Europium activated and tin sensitized calcium sulfide phosphor particularly adapted for use with high- intensity discharge lamps |
09/01/1981 | US4287454 High pressure discharge lamps with fast restart |
09/01/1981 | US4287229 Method for surface treatment of phosphor particles |
09/01/1981 | CA1108214A1 Low pressure sodium vapor discharge lamp |
08/26/1981 | EP0034494A1 Curvilinear type fluorescent lamp |
08/25/1981 | US4286302 Electrical capacitor protective arrangement |
08/25/1981 | US4286190 Compact fluorescent lamp having a partitioned envelope |
08/25/1981 | CA1107799A1 Gas-discharge chamber electrode and electrode system using same |
08/19/1981 | EP0034113A1 Electric discharge lamp |
08/19/1981 | EP0034097A2 Process for producing translucent alumima bodies, especially tubes |
08/19/1981 | EP0034056A1 Method of producing a ceramic arc tube of a metal vapour discharge lamp and ceramic arc tube thereby produced |
08/18/1981 | CA1107344A1 Hid sodium lamp which incorporates a high pressure of xenon and a trigger starting electrode |
08/12/1981 | EP0033653A1 Trigger device for electric-discharge lamp |
08/12/1981 | EP0033652A1 Low pressure electric discharge lamp |
08/11/1981 | US4283652 Gas discharge lamp having supporting tongue formed from electrode feedthrough |
08/04/1981 | US4282563 Fluorescent lamp unit |
08/04/1981 | US4282462 Arc lamp lighting unit with means to prevent prolonged application of starting potentials |
08/04/1981 | US4282455 Mercury dispenser for arc discharge lamps |
08/04/1981 | US4282395 High melting point glass-to-metal seal and melt connection, particularly for tungsten supply wires for high-pressure discharge lamps |
07/29/1981 | EP0032763A2 Lamp having a lamp vessel made of quartz glass, quartz glass and method of preparing quartz glass |
07/28/1981 | US4281274 Discharge lamp having vitreous shield |
07/28/1981 | US4281271 Compact fluorescent lamp having a partitioned envelope |
07/28/1981 | US4281267 High intensity discharge lamp with coating on arc discharge tube |