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